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The output of an SPC flooring extrusion line depends on several factors, including extruder capacity, raw material formulation, sheet thickness, sheet width, processing temperature, cooling performance, and downstream equipment speed. A larger extruder can increase production capacity, but the entire line must operate in balance to achieve stable output without sacrificing sheet quality. For SPC flooring manufacturers, actual production output is more important than the maximum capacity listed in a machine specification. If the extrusion system produces material faster than the calendering or cooling section can handle, the line may experience thickness variations, unstable sheet dimensions, or increased scrap. SKY WIN designs SPC flooring extrusion equipment with different capacity options to meet different manufacturing requirements. What Determines the Output of an SPC Flooring Extrusion Line? The output of an SPC flooring extrusion line is determined by the amount of material the equipment can process consistently while meeting the required product specifications. The main factors are extruder size, formulation, sheet dimensions, processing stability, cooling capacity, and the speed of downstream equipment. For example, two factories using the same model of SPC flooring extrusion machine may achieve different production results if they use different formulations or produce sheets with different thicknesses. One factory may run a relatively thin sheet at a higher stable speed, while another may need to reduce its speed to maintain quality when producing a thicker core. The following factors should be evaluated together when selecting equipment or troubleshooting low output: Extruder model, screw design, and drive capacity. Raw material formulation and feeding consistency. Sheet thickness and width. Temperature control and plasticization stability. Calendering, lamination, and cooling performance. Haul-off speed, cutting speed, and automation. Equipment maintenance, downtime, and material waste. Extruder Size and Screw Design Affect Production Capacity The extruder is one of the main factors affecting SPC flooring production output. Its size, screw configuration, motor capacity, and ability to process highly filled PVC compounds determine how much material can be plasticized and delivered to the die under stable conditions. SPC flooring commonly uses PVC resin, calcium carbonate, stabilizers, and other additives. Because mineral filler makes up a substantial part of many SPC formulations, the extruder must be suitable for the material's processing characteristics rather than selected based on motor power alone. A properly matched conical twin-screw extruder helps maintain consistent mixing, plasticization, and melt delivery. If the extruder is undersized for the required output, increasing its speed beyond a suitable operating range may lead to unstable processing, excessive wear, or inconsistent sheet quality. When comparing machines, manufacturers should evaluate screw design, torque, motor power, temperature control, wear resistance, and the intended formulation. These factors help determine whether the equipment can maintain the required output during continuous production. SKY WIN's SPC/PVC Flooring Sheet Extrusion Line uses a conical twin-screw extruder and offers different model configurations for different production requirements. Raw Material Formulation Influences Extrusion Speed The raw material formulation affects how easily the SPC compound can be mixed, plasticized, and extruded. Differences in PVC resin characteristics, calcium carbonate loading, stabilizers, lubricants, and other additives can change the material's flow behavior and processing window. A formulation that is difficult to plasticize or feed consistently may limit output even when the extruder has sufficient rated capacity. Variations in raw material quality can also cause unstable feeding, inconsistent melt flow, and changes in the finished sheet's surface or dimensions. To maintain stable production, manufacturers should: Keep the formulation consistent between production batches. Use a mixing process that distributes fillers and additives evenly. Control material moisture and storage conditions where relevant. Check feeding stability and avoid unnecessary interruptions. Adjust processing conditions when the formulation changes. Increasing filler content or changing additives should not be treated as a simple way to reduce material cost. The revised formulation must be tested for processing stability, finished product requirements, and its effect on achievable output. Sheet Thickness and Width Change the Required Output SPC flooring sheet thickness and width directly affect the amount of material required per unit of production time. At the same line speed, a wider or thicker sheet generally requires more material than a narrower or thinner sheet. This means that rated output in kilograms per hour should not be confused with the number of boards or square meters produced per hour. Manufacturers need to consider both material throughput and finished product dimensions when estimating production capacity. For example, a line producing a thicker SPC core may need to run more slowly to maintain uniform thickness, stable cooling, and the required surface quality. A thinner product may allow a higher line speed, provided the extrusion and downstream systems remain stable. Before selecting an SPC flooring production line, specify the target sheet thickness, width, formulation, and required output. This allows the equipment supplier to evaluate the appropriate extruder model and downstream configuration. Temperature Control and Plasticization Stability Matter Temperature control affects the plasticization of the SPC compound and the stability of the extrusion process. If the material is not properly plasticized, the sheet may show inconsistent surface quality or thickness. Excessive heat can also damage heat-sensitive PVC compounds. Manufacturers should monitor barrel temperatures, melt conditions, die temperature, and roller temperatures according to the formulation and equipment design. The correct settings depend on the material and operating conditions, so there is no single temperature profile suitable for every SPC flooring line. Stable temperature control helps the extruder deliver a more consistent melt to the die. This supports uniform sheet formation and reduces the need for frequent adjustments that interrupt production. If output suddenly decreases, check whether the temperature settings have changed, whether the feeding system is stable, and whether the material formulation or equipment condition has affected plasticization before increasing screw speed. Calendering and Cooling Capacity Can Limit Line Output A high-capacity extruder cannot deliver its full practical output if the calendering and cooling sections cannot process the material at the same rate. These downstream systems must be matched to the amount of hot SPC sheet leaving the die. The calendering system controls sheet thickness, flatness, and surface characteristics. If roller settings are unstable or the system cannot handle the incoming material flow, increasing extrusion output may create thickness variations or surface defects. Cooling is equally important. The sheet needs sufficient and reasonably uniform cooling before it proceeds to trimming and cutting. If the cooling section cannot remove heat quickly enough, the operator may need to reduce line speed to avoid warping or dimensional instability. SKY WIN identifies its advanced cooling system as an important feature of its higher-output SPC flooring equipment. When comparing production lines, manufacturers should assess cooling capacity alongside extruder specifications rather than treating it as a secondary component. Lamination, Haul-Off, and Cutting Must Keep Pace For production lines that include online lamination, embossing, and cutting, each stage must operate in coordination with the extrusion process. The line's practical output is affected by the slowest stage that must handle the continuous sheet. Lamination speed and temperature need to match the core sheet and surface materials. Poor bonding, bubbles, or inconsistent embossing can force operators to reduce speed or reject finished material. Haul-off equipment must pull the sheet consistently, while the cutting system must maintain the required cutting length without interrupting continuous production. When output is lower than expected, check whether the bottleneck is actually the extruder or a downstream unit. The problem may be related to cooling, film feeding, roller settings, haul-off synchronization, or cutter operation. SKY WIN's PVC Flooring SPC/LVT Sheet Extrusion Line is another configuration to review when comparing flooring sheet production equipment and processing requirements. SKY WIN SPC Flooring Extrusion Line Output Specifications SKY WIN publishes several SWDB5 series configurations for SPC/PVC flooring sheet production. The listed models cover different extruder sizes and rated output ranges, allowing manufacturers to compare equipment according to their target production volume. Machine model Rated output Sheet thickness Sheet width SWDB5-2 600–800 kg/h 1.5–7 mm 970–1220 mm SWDB5-3 1100–1400 kg/h 1.5–7 mm 970–1220 mm SWDB5-3-2 1500–1800 kg/h 1.5–7 mm 970–1220 mm SWDB5-3--3 2000–2500 kg/h 1.5–7 mm 970–1220 mm SWDB5-4 2500–2900 kg/h 1.5–7 mm 970–1220 mm SWDB5-5 2900–3300 kg/h 1.5–7 mm 970–1220 mm SWDB5-6 3000–4000 kg/h 1.5–7 mm 970–1220 mm These figures are the manufacturer's published specifications. They should be treated as rated output ranges, not guaranteed production results for every formulation or sheet specification. Actual output depends on the product structure, operating conditions, equipment configuration, and quality requirements. For an accurate comparison, ask the supplier to confirm the expected output for your target sheet thickness, width, formulation, and operating schedule. Maintenance and Production Downtime Affect Actual Output Rated output describes the machine's production capability under specified conditions, but actual daily or monthly output also depends on operating time. Equipment stoppages, cleaning, material changes, start-up adjustments, and maintenance all reduce the amount of saleable material produced. Regular inspection of the screws, barrels, bearings, drive system, cooling equipment, rollers, and cutting units can help identify problems before they cause longer interruptions. Operators should also monitor abnormal noise, vibration, temperature changes, unstable feeding, and recurring sheet defects. Manufacturers should distinguish between rated capacity, actual running output, and saleable output. A line may run at a high material throughput but still produce less saleable flooring if scrap rates or downtime are high. Tracking hourly output, downtime, material waste, and product quality gives factory managers a clearer picture of where improvements are needed. How to Improve the Output of an SPC Flooring Extrusion Line Improving output starts with identifying the actual bottleneck. Increasing the extruder speed without checking the formulation, calendering, cooling, and downstream equipment may increase defects rather than saleable production. Practical steps include: Confirm the target product specifications: Define the required sheet thickness, width, formulation, and surface structure. Optimize the material formulation: Maintain consistent raw materials and mixing conditions. Stabilize extrusion: Match screw speed, feeding rate, and temperature settings to the compound. Balance the entire line: Ensure calendering, cooling, haul-off, and cutting can handle the target throughput. Reduce avoidable downtime: Maintain equipment and standardize start-up and changeover procedures. Measure saleable output: Track product quality and scrap alongside kilograms processed per hour. If the current line consistently falls short of demand, evaluate whether the issue is a process bottleneck or insufficient machine capacity. SKY WIN's SPC flooring extrusion equipment offers multiple model options, allowing manufacturers to discuss capacity requirements and suitable configurations with the supplier. Frequently Asked Questions About SPC Flooring Extrusion Line Output What factors affect the output of an SPC flooring extrusion line? The main factors are extruder size and screw design, raw material formulation, sheet thickness and width, temperature control, calendering performance, cooling capacity, downstream line speed, and equipment downtime. What is the maximum output of an SPC flooring extrusion line? Output depends on the machine model and production conditions. SKY WIN lists rated output ranges from 600–800 kg/h for the SWDB5-2 to 3000–4000 kg/h for the SWDB5-6. Actual output should be confirmed for the intended formulation and sheet specifications. Does a larger extruder always produce more SPC flooring? A larger extruder can provide greater material throughput, but total production is also limited by calendering, cooling, lamination, haul-off, and cutting capacity. The complete line must be balanced to achieve higher saleable output. How does sheet thickness affect SPC flooring production output? Thicker sheets require more material per unit of sheet area. Depending on the extruder and downstream equipment, producing thicker sheets may require a lower line speed to maintain stable dimensions and product quality. Can raw material formulation reduce extrusion output? Yes. Changes in PVC resin, calcium carbonate loading, additives, or material consistency can affect feeding, plasticization, melt flow, and processing stability. The formulation and operating settings should be evaluated together. Why does cooling capacity affect SPC flooring line output? The cooling system must remove heat from the continuous sheet before downstream handling and cutting. If cooling is insufficient for the incoming material flow, the line may need to run more slowly to prevent warping and dimensional instability. How can I calculate actual SPC flooring production capacity? Start with the actual material throughput in kilograms per hour, then account for operating hours, downtime, start-up waste, and rejected material. For square-meter output, also consider sheet width, thickness, density, and the final product dimensions. How can I choose the right SPC flooring extrusion line for my factory? Define your target output, formulation, sheet thickness, sheet width, and surface-finishing requirements. Ask the supplier to confirm the suitable model and achievable output under those conditions, including the capacity of the calendering, cooling, and cutting systems. SKY WIN provides SPC flooring extrusion equipment in multiple configurations. Sharing your target product specifications and production goals will help the engineering team assess a suitable line for your factory. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What factors affect the output of an SPC flooring extrusion line?", "acceptedAnswer": { "@type": "Answer", "text": "The main factors are extruder size and screw design, raw material formulation, sheet thickness and width, temperature control, calendering performance, cooling capacity, downstream line speed, and equipment downtime." } }, { "@type": "Question", "name": "What is the maximum output of an SPC flooring extrusion line?", "acceptedAnswer": { "@type": "Answer", "text": "Output depends on the machine model and production conditions. SKY WIN lists rated output ranges from 600–800 kg/h for the SWDB5-2 to 3000–4000 kg/h for the SWDB5-6. 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Changes in PVC resin, calcium carbonate loading, additives, or material consistency can affect feeding, plasticization, melt flow, and processing stability. The formulation and operating settings should be evaluated together." } }, { "@type": "Question", "name": "Why does cooling capacity affect SPC flooring line output?", "acceptedAnswer": { "@type": "Answer", "text": "The cooling system must remove heat from the continuous sheet before downstream handling and cutting. If cooling is insufficient for the incoming material flow, the line may need to run more slowly to prevent warping and dimensional instability." } }, { "@type": "Question", "name": "How can I calculate actual SPC flooring production capacity?", "acceptedAnswer": { "@type": "Answer", "text": "Start with the actual material throughput in kilograms per hour, then account for operating hours, downtime, start-up waste, and rejected material. 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An SPC flooring extrusion line converts a blended mixture of PVC resin, calcium carbonate, stabilizers, and other additives into a rigid flooring core sheet. The process involves material preparation, twin-screw extrusion, die forming, calendering, optional online lamination and embossing, controlled cooling, edge trimming, and cutting. For flooring manufacturers, the key is not simply to extrude material as quickly as possible. The production line must maintain stable melt flow, uniform sheet thickness, reliable layer bonding, and controlled cooling to produce consistent SPC flooring boards. SKY WIN's SPC flooring extrusion equipment is designed to integrate these processes into a continuous manufacturing system. What Is an SPC Flooring Extrusion Line? An SPC flooring extrusion line is a complete manufacturing system that processes a rigid PVC-based composite into continuous sheets used to make stone plastic composite flooring. SPC stands for Stone Plastic Composite, referring to the combination of PVC and mineral filler, commonly calcium carbonate, used to create a rigid core. Unlike a standalone extruder, a complete SPC production line includes the equipment needed to form, finish, cool, and cut the sheet. Depending on the configuration, it can also include online lamination and embossing systems that apply decorative films and surface textures during continuous production. A typical SPC flooring extrusion line includes: Material mixing system: Prepares PVC resin, calcium carbonate, stabilizers, and other additives. Conical twin-screw extruder: Plasticizes and homogenizes the compound before extrusion. Extrusion die: Distributes the melt across the required sheet width. Calendering and lamination system: Controls sheet thickness and can integrate decorative layers. Cooling system: Removes heat and helps the sheet maintain dimensional stability. Haul-off and edge trimming units: Control sheet movement and trim uneven edges. Automatic cutting system: Cuts the continuous sheet into specified lengths. SKY WIN's SPC/PVC Flooring Sheet Extrusion Line uses a high-torque conical twin-screw extruder. Its listed configuration includes a five-roll laminator, laminating unit, oil-heated roll system, cooling equipment, edge trimmer, haul-off unit, high-speed sheet cutter, and electrical control system. How Does the SPC Flooring Extrusion Process Work? The SPC flooring manufacturing process follows a series of connected stages. Each stage affects the next one, so the extruder, calender, cooling section, and cutting equipment must operate at compatible speeds and processing conditions. Material preparation → Twin-screw extrusion → Die forming → Calendering and optional lamination → Cooling → Edge trimming → Cutting. The exact process depends on the flooring structure, formulation, and selected equipment configuration. For example, online lamination may combine the decorative film and wear layer with the hot core sheet, while some production setups use separate downstream finishing processes. Material Mixing: Preparing the SPC Compound The first step is preparing a consistent compound. Typical SPC formulations contain PVC resin, calcium carbonate, stabilizers, and other processing additives. The proportions depend on the required core rigidity, density, processing behavior, and finished flooring specifications. Uniform mixing matters because inconsistent material distribution can cause variations in extrusion behavior, sheet thickness, surface appearance, and mechanical properties. Moisture, raw material quality, mixing temperature, and the consistency of the feeding process also need to be controlled. Before the compound enters the extruder, manufacturers should verify that the formulation and material preparation process are suitable for the selected screw configuration and target output. Changing the filler loading or additive package may require adjustments to processing conditions. Twin-Screw Extrusion: Plasticizing the Material The extruder is the central component of an SPC flooring production line. It receives the prepared compound, applies heat and mechanical energy, and produces a homogeneous melt that can be continuously formed into a sheet. SKY WIN uses a conical twin-screw configuration for its SPC flooring extrusion equipment. This design is intended to support the mixing and plasticizing of PVC-based compounds containing mineral fillers. During extrusion, several operating factors affect production stability: Screw design and torque: Must match the formulation, filler loading, and required output. Temperature control: Helps maintain suitable plasticization while limiting excessive heat exposure. Feeding consistency: Reduces fluctuations in material supply and extrusion output. Wear resistance: Matters because mineral fillers can increase abrasive wear on processing components. If plasticization is inconsistent, the line may experience unstable output, rough surfaces, or thickness variations. Simply increasing screw speed is not always the best solution because the downstream equipment must also be able to handle the additional material flow. For manufacturers comparing equipment options, SKY WIN's PVC Flooring SPC/LVT Sheet Extrusion Line provides another product configuration to evaluate according to the required flooring structure, sheet dimensions, and production capacity. Die Forming and Calendering: Controlling Sheet Thickness After plasticization, the molten composite passes through an extrusion die, which distributes the material across the required width and forms a continuous sheet. The sheet then enters the calendering system, where rollers help control its thickness, flatness, and surface characteristics. Consistent die flow and roller settings are essential for maintaining uniform thickness across the sheet. If the material distribution is uneven or the rollers are not properly adjusted, the finished core may show thickness deviations, uneven edges, or surface defects. Important process variables include die temperature, die-lip adjustment, roller temperature, roller gap, and line speed. These settings should be established according to the material formulation and target sheet dimensions rather than copied from another production setup. For SPC flooring manufacturers, a stable calendering process also helps prepare the sheet for subsequent cooling and finishing. The extruder and calender should therefore be treated as a coordinated system, not as independent machines. Online Lamination and Embossing: Adding the Flooring Surface When the production line is configured for online lamination, decorative film and a wear layer can be bonded to the core sheet during continuous processing. Embossing equipment can also create the required surface texture. Online lamination can reduce the need for a separate lamination stage, depending on the factory's production process. It can also help manufacturers coordinate core-sheet forming and surface finishing within one integrated line. Successful lamination depends on several factors: The temperature of the core sheet and laminating rollers. The compatibility of the decorative film, wear layer, and core material. Roll pressure and contact conditions. Line speed and the time available for bonding. Embossing settings and the desired surface texture. Incorrect settings may lead to bubbles, weak bonding, uneven textures, or surface damage. The process should be tested with the actual film and core formulation before full-scale production. SKY WIN's SPC flooring equipment provides separate control for online lamination and embossing. This configuration allows manufacturers to adjust these functions according to their surface-finishing requirements. Cooling and Haul-Off: Maintaining Dimensional Stability After forming and any online surface treatment, the hot SPC sheet must be cooled in a controlled manner. Cooling helps the composite stabilize before it is trimmed and cut. Inadequate or uneven cooling can contribute to warping, residual stress, and dimensional variations. The cooling system must match the line's output and sheet dimensions. A higher-capacity extruder does not automatically produce higher-quality flooring if the downstream cooling section cannot remove heat at the required rate. The haul-off unit also plays an important role. It pulls the sheet through the production line at a controlled speed and must remain synchronized with the extruder and calender. Unstable pulling or speed mismatches can affect sheet dimensions and surface quality. For this reason, manufacturers should evaluate cooling capacity and haul-off performance when selecting an SPC flooring extrusion machine, especially when planning high-output production. Edge Trimming and Cutting: Preparing the Sheet for Further Processing Once the sheet has reached a suitable temperature and dimensional stability, the edge trimming unit removes uneven edges. The cutting machine then divides the continuous sheet into specified lengths for subsequent flooring processing. Cutting accuracy depends on consistent sheet movement, correct length settings, and coordination between the haul-off and cutter. Poor synchronization can cause length variations, uneven cut edges, or unnecessary material waste. Some factories also use automated stacking and additional downstream equipment, depending on whether they produce core boards, laminated sheets, or finished flooring products. The complete line should be configured around the factory's intended production stages. SKY WIN's PVC/WPC Flooring Base Material Extrusion Line is another option for manufacturers evaluating equipment for flooring base-layer production. Its suitability depends on the material and structure of the intended product. What Production Capacity Can an SPC Flooring Extrusion Line Achieve? The output of an SPC flooring extrusion line depends on the extruder model, material formulation, sheet thickness, sheet width, line speed, and downstream processing capacity. Rated output should always be considered alongside the product specification used to achieve it. SKY WIN publishes the following model ranges for its SWDB5 series: Specification Published range Sheet thickness 1.5–7 mm Sheet width 970–1220 mm SWDB5-2 rated output 600–800 kg/h SWDB5-3 rated output 1100–1400 kg/h SWDB5-4 rated output 2500–2900 kg/h SWDB5-6 rated output 3000–4000 kg/h These are published model specifications, not a guarantee of actual production output under every operating condition. Before choosing a model, ask the supplier to confirm achievable output using your intended formulation, sheet thickness, sheet width, and surface-layer configuration. How to Choose an SPC Flooring Extrusion Line for Your Factory The right SPC flooring extrusion line should match your production plan rather than simply offer the highest rated output. Before requesting a quotation, define the product specifications and the level of automation required for your factory. Consider these factors when comparing equipment: Target product: Confirm whether you will produce SPC core sheets, laminated sheets, or a more complete flooring product. Sheet dimensions: Specify the required thickness, width, and cutting length. Formulation: Provide the PVC resin, calcium carbonate, and additive formulation or its main processing requirements. Production target: Estimate the required hourly output and expected operating schedule. Surface treatment: Confirm whether online lamination and embossing are needed. Factory conditions: Check available space, power supply, cooling water, ventilation, and material-handling arrangements. Service support: Ask about installation, commissioning, operator training, spare parts, and maintenance. If your factory also plans to manufacture flexible vinyl flooring, evaluate the process requirements separately. SKY WIN's LVT Flooring High-speed Extrusion Line is designed for LVT sheet production, but an LVT configuration should not be assumed to be interchangeable with an SPC line without engineering confirmation. For manufacturers planning a new production project, providing detailed product specifications early helps the equipment supplier recommend a suitable extrusion, calendering, cooling, and cutting configuration. Frequently Asked Questions About SPC Flooring Extrusion Lines How does an SPC flooring extrusion line work? An SPC flooring extrusion line blends PVC resin, calcium carbonate, stabilizers, and other additives, then uses a twin-screw extruder to plasticize the compound. The melt passes through a die to form a sheet, which is calendered, optionally laminated and embossed, cooled, trimmed, and cut to the required dimensions. What raw materials are used in SPC flooring production? SPC flooring commonly uses PVC resin, calcium carbonate, stabilizers, and other processing additives. The exact formulation depends on the desired rigidity, density, processability, and finished product properties. Why is a conical twin-screw extruder used for SPC flooring? A conical twin-screw extruder is designed to mix and plasticize PVC-based compounds containing mineral fillers. Its suitability depends on the formulation, required output, screw design, and processing conditions. What is the role of the calendering system in SPC production? The calendering system helps control sheet thickness, flatness, and surface quality. It may also support online lamination and embossing when these functions are included in the production line. Why is cooling important in SPC flooring extrusion? Controlled cooling helps the hot composite sheet stabilize before cutting and further processing. Insufficient or uneven cooling can contribute to warping, residual stress, and dimensional variations. What is the production capacity of an SPC flooring extrusion line? Capacity varies by model and operating conditions. SKY WIN's published SWDB5 series specifications range from 600–800 kg/h for the SWDB5-2 to 3000–4000 kg/h for the SWDB5-6. Actual output depends on the material formulation, sheet dimensions, and production configuration. Can an SPC flooring extrusion line include online lamination and embossing? Yes. Depending on the configuration, the line can integrate lamination and embossing with sheet extrusion. The required films, wear layer, surface texture, and processing conditions should be confirmed before equipment selection. How do I select the right SPC flooring extrusion machine? Start with the target flooring structure, material formulation, sheet thickness, width, required hourly output, and surface-finishing requirements. Then compare extruder capability, calendering, cooling, cutting, automation, and technical support. SKY WIN provides SPC flooring extrusion solutions for manufacturers with different product specifications and output requirements. To identify a suitable configuration, prepare your target sheet dimensions, formulation, expected capacity, and lamination requirements before requesting a quotation. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How does an SPC flooring extrusion line work?", "acceptedAnswer": { "@type": "Answer", "text": "An SPC flooring extrusion line blends PVC resin, calcium carbonate, stabilizers, and other additives, then uses a twin-screw extruder to plasticize the compound. The melt passes through a die to form a sheet, which is calendered, optionally laminated and embossed, cooled, trimmed, and cut to the required dimensions." } }, { "@type": "Question", "name": "What raw materials are used in SPC flooring production?", "acceptedAnswer": { "@type": "Answer", "text": "SPC flooring commonly uses PVC resin, calcium carbonate, stabilizers, and other processing additives. 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It may also support online lamination and embossing when these functions are included in the production line." } }, { "@type": "Question", "name": "Why is cooling important in SPC flooring extrusion?", "acceptedAnswer": { "@type": "Answer", "text": "Controlled cooling helps the hot composite sheet stabilize before cutting and further processing. Insufficient or uneven cooling can contribute to warping, residual stress, and dimensional variations." } }, { "@type": "Question", "name": "What is the production capacity of an SPC flooring extrusion line?", "acceptedAnswer": { "@type": "Answer", "text": "Capacity varies by model and operating conditions. SKY WIN's published SWDB5 series specifications range from 600–800 kg/h for the SWDB5-2 to 3000–4000 kg/h for the SWDB5-6. 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SPC and LVT flooring production lines are designed for different vinyl flooring structures, so the main difference lies in the material formulation, core flexibility, and processing requirements. An SPC flooring production line is built to process a rigid composite core made primarily from PVC resin and calcium carbonate, while an LVT flooring production line focuses on producing flexible vinyl flooring sheets with controlled thickness, surface quality, and layer bonding. For flooring manufacturers planning a new factory or upgrading existing equipment, choosing between an SPC and LVT production line affects product positioning, manufacturing processes, equipment configuration, and production costs. SKY WIN provides dedicated flooring extrusion solutions for both product types, helping manufacturers select equipment according to their formulations, target output, and finished flooring specifications. What Is the Main Difference Between SPC and LVT Flooring Production Lines? The main difference is the flooring core being produced. SPC production requires a rigid, highly filled PVC composite, whereas conventional flexible LVT production uses a softer PVC-based formulation. Although both processes can involve extrusion, calendering, cooling, and lamination, the equipment configuration and process parameters need to match the intended flooring structure. SPC flooring is commonly selected for rigid-core flooring products where dimensional stability and resistance to everyday wear are important. LVT flooring is often chosen for flexible vinyl tiles or planks where surface appearance, flexibility, and a comfortable feel are key considerations. Here is a practical comparison for manufacturers evaluating an SPC flooring production line versus an LVT flooring production line. Comparison factor SPC production line LVT production line Core structure Rigid stone-plastic composite core Flexible PVC-based vinyl structure in conventional LVT Main formulation PVC resin, calcium carbonate, stabilizers, and other additives PVC resin, calcium carbonate, plasticizers, stabilizers, and other additives as required by the formulation Processing priorities High-filler mixing, stable extrusion, sheet calibration, and cooling Flexible sheet handling, thickness control, calendering, and layer bonding Typical equipment focus High-torque extrusion and rigid sheet processing Extrusion, multi-roll calendering, cooling, and lamination Finished product focus Rigid-core vinyl flooring Flexible vinyl tiles, planks, and base sheets Equipment selection priority Filler loading, output, dimensional stability, and cooling performance Formulation, sheet flexibility, surface finish, and lamination quality These differences are general guidelines rather than fixed rules for every factory. Actual configurations depend on the formulation, layer structure, product thickness, target output, and whether the line produces base sheets or finished laminated flooring. How Does an SPC Flooring Production Line Work? An SPC flooring production line converts a PVC-based compound with a high proportion of calcium carbonate into a rigid flooring core. The process must maintain consistent material dispersion, melt quality, sheet thickness, and cooling conditions to reduce dimensional variations and production defects. The typical process includes the following stages: Material preparation: PVC resin, calcium carbonate, stabilizers, and other formulation ingredients are prepared and mixed according to the product specification. Extrusion: A suitable twin-screw extruder plasticizes and homogenizes the compound before pushing it through the die. Calendering and sheet forming: Roll systems help control sheet thickness, flatness, and surface consistency. Cooling: Controlled cooling helps the rigid core retain its shape and reduces the risk of warping. Lamination and embossing: Depending on the line configuration, decorative film and wear layers can be laminated and surface textures formed. Trimming and cutting: The sheet is cut to the required dimensions for subsequent flooring processing. For this type of manufacturing, the extruder is especially important because the high mineral filler content increases the demands on mixing, screw design, and processing stability. The cooling and downstream handling systems also influence the final sheet quality. SKY WIN's SPC/PVC Flooring Sheet Extrusion Line uses a conical twin-screw extruder and can be configured with sheet forming, lamination, cooling, trimming, and cutting equipment. The appropriate model depends on the required sheet dimensions and production capacity. How Does an LVT Flooring Production Line Work? An LVT flooring production line is designed to process PVC-based materials into vinyl sheets with the flexibility, thickness, and surface characteristics required by the final product. Conventional flexible LVT formulations commonly include plasticizers, unlike typical rigid SPC core formulations. The production process generally involves material mixing, extrusion, calendering, cooling, and lamination where required. Some configurations also include embossing, online thickness monitoring, and automatic stacking or rolling. During extrusion, stable plasticization and melt flow help produce a consistent sheet. The calendering system then controls thickness and surface quality. Cooling is important because the sheet must be handled without introducing unnecessary stress, deformation, or surface damage. Layer bonding is another important consideration. Depending on the product design, an LVT line may need to combine a base layer, printed decorative film, and wear layer. Poor bonding or inconsistent temperature control can lead to bubbles, uneven surfaces, or delamination. SKY WIN's LVT Flooring High-speed Extrusion Line integrates extrusion, calendering, and lamination technologies. The published SWLVT series covers sheet thicknesses of 0.8–4 mm and widths of 970–1220 mm, with model-dependent listed outputs of 300–1,200 kg/h. Actual output depends on the formulation, thickness, operating conditions, and final product requirements. Which Extruder Is Suitable for SPC and LVT Flooring? Both SPC and LVT flooring lines can use twin-screw extrusion technology, but the screw configuration, operating conditions, and downstream equipment must be selected for the specific material and product design. The fact that two lines use a similar extruder type does not mean they are automatically interchangeable. For SPC flooring, the equipment must process a highly filled compound while maintaining consistent plasticization and stable sheet output. Manufacturers should assess the extruder's torque capability, wear resistance, screw design, temperature control, and compatibility with their formulation. For flexible LVT flooring, the production system must handle the formulation and sheet structure without compromising flexibility or surface quality. The calendering arrangement, sheet conveying method, cooling system, and lamination configuration deserve particular attention. Before purchasing equipment, manufacturers should confirm: The exact flooring structure and formulation to be processed. The required sheet thickness and width. The expected hourly output under the intended production conditions. Whether online lamination, embossing, or other downstream functions are needed. The availability of technical support, spare parts, installation, and operator training. For projects that require two-layer LVT structures, SKY WIN also offers a Double-layer LVT Flooring Extrusion Line. Its co-extrusion configuration is designed for producing two-layer LVT sheets, with options depending on the required layer structure and finishing process. SPC vs. LVT Production Line Cost: What Should Manufacturers Consider? There is no single price difference that applies to every SPC and LVT production line. The total investment depends on the equipment configuration, production capacity, automation level, tooling, auxiliary equipment, and the degree of customization. When comparing quotations, manufacturers should evaluate the complete production system rather than the extruder price alone. A line with a lower initial price may require additional equipment or more manual handling, while a more integrated system may reduce labor requirements or improve production consistency. Important cost factors include: Extruder size and capacity: Larger output requirements may call for a different extruder, motor power, and downstream configuration. Calendering and lamination: The number and arrangement of rolls, online lamination, and embossing functions affect the equipment scope. Cooling and cutting: Cooling capacity, sheet handling, trimming, and cutting automation influence both investment and production performance. Energy and labor: Compare expected energy consumption, staffing requirements, material waste, and changeover time. Installation and support: Confirm shipping, commissioning, operator training, maintenance, and spare-parts arrangements. To make a meaningful comparison, ask each supplier to quote against the same product specification, target output, and equipment scope. This makes it easier to compare the actual investment and expected operating requirements. How to Choose the Right Flooring Production Line for Your Factory The best production line is the one that matches your target flooring product and manufacturing plan. Before selecting a supplier, define the product structure, required output, finished sheet dimensions, and downstream processing requirements. Choose an SPC-oriented configuration if your main product is rigid-core flooring made from a highly filled PVC composite. Focus on extrusion stability, filler compatibility, cooling performance, and dimensional consistency. Choose an LVT-oriented configuration if your main products are flexible vinyl sheets or tiles. Pay close attention to formulation compatibility, calendering performance, sheet handling, surface finish, and layer bonding. If you plan to manufacture both product types, do not assume that one line can produce both simply because the materials share PVC. Ask the equipment supplier to evaluate the formulations, tooling, process window, and changeover requirements before confirming whether a shared system is practical. SKY WIN provides different flooring extrusion configurations to support manufacturers with different production goals. Reviewing the PVC Flooring SPC/LVT Sheet Extrusion Line alongside the dedicated SPC and LVT models can help you identify a suitable starting point for your project. Frequently Asked Questions About SPC and LVT Flooring Production Lines What is the main difference between an SPC and an LVT flooring production line? An SPC line is designed primarily for rigid, highly filled PVC composite cores, while a conventional flexible LVT line is designed for softer vinyl flooring formulations. Their extrusion, cooling, sheet handling, and lamination requirements differ according to the final product structure. Can the same flooring extrusion line produce both SPC and LVT? Some equipment configurations may be adaptable to different PVC flooring formulations, but compatibility cannot be assumed. Manufacturers should confirm the formulation, screw design, tooling, processing temperatures, downstream equipment, and required product quality with the supplier before using one line for both materials. What raw materials are used in SPC flooring production? SPC flooring commonly uses PVC resin, calcium carbonate, stabilizers, and other additives. The exact formulation depends on the desired rigidity, processing behavior, and finished product properties. What raw materials are used in LVT flooring production? Conventional flexible LVT formulations commonly contain PVC resin, calcium carbonate, plasticizers, stabilizers, pigments, and other additives. The composition varies with the flooring structure and performance requirements. What should I check when selecting an SPC flooring production line? Check the formulation and filler loading, required sheet width and thickness, target output, extrusion stability, cooling capacity, lamination requirements, and the supplier's installation and technical support. How much does an SPC or LVT flooring production line cost? The price depends on capacity, equipment configuration, automation, auxiliary systems, and customization. Request a quotation based on the same production specifications and equipment scope to compare suppliers accurately. Can an LVT flooring production line include online lamination? Yes. Depending on the model and configuration, an LVT line can integrate lamination with extrusion and calendering. Confirm the required decorative film, wear layer, embossing, and sheet specifications before ordering. How can I choose the right production capacity? Start with your target annual output, expected operating hours, product thickness, sheet width, and product mix. Ask the supplier to confirm achievable output under your actual production conditions rather than relying only on a headline capacity figure. If you are planning a new SPC or LVT flooring manufacturing project, share your target product structure, sheet dimensions, formulation, and expected output with SKY WIN. These details help the engineering team recommend a suitable extrusion line configuration for your production needs. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is the main difference between an SPC and an LVT flooring production line?", "acceptedAnswer": { "@type": "Answer", "text": "An SPC line is designed primarily for rigid, highly filled PVC composite cores, while a conventional flexible LVT line is designed for softer vinyl flooring formulations. 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How much does an SPC flooring production line cost? The answer depends on production capacity, equipment configuration, automation level, and the type of flooring you plan to manufacture. A line designed for a smaller production target will have different equipment and power requirements from a high-output industrial line. For manufacturers planning a new SPC flooring plant, the equipment quotation is only one part of the investment. It is also important to consider raw material preparation, lamination, cooling, cutting, installation, and operating costs. SKY WIN's SPC/PVC flooring sheet extrusion line provides several capacity options, making it a useful starting point for comparing production requirements with machine specifications. What Is the Typical Cost of an SPC Flooring Production Line? There is no single price that applies to every SPC flooring production line. The final cost needs to be calculated according to the required output, sheet dimensions, included equipment, and factory operating conditions. SKY WIN's product page publishes technical specifications for multiple SWDB5 series models, but it does not list a universal equipment price. For this reason, buyers should request a quotation based on their actual production plan rather than rely on a generic online price range. A useful quotation should clearly identify the equipment included, production capacity, total installed power, optional systems, and any services included in the supply. The following factors have the greatest influence on the total equipment investment: Production capacity: Higher-output equipment generally requires a larger extruder and supporting systems. Product specifications: Sheet width, thickness, and the required surface finish affect the configuration. Line configuration: Lamination, embossing, cooling, trimming, and cutting equipment influence the quotation. Automation: Control systems and synchronized equipment operation can affect the initial investment. Installation requirements: Shipping, installation, commissioning, training, and local infrastructure should be checked separately. How Does Production Capacity Affect SPC Line Cost? Production capacity is one of the most important factors when comparing SPC flooring machine prices. A higher-capacity line may require a larger extruder, greater installed power, more effective cooling, and downstream equipment capable of handling the increased material flow. SKY WIN's published SWDB5 series specifications provide a practical reference for comparing capacity levels: Model Published output Total power SWDB5-2 600–800 kg/h 270 kW SWDB5-3 1,100–1,400 kg/h 308/376 kW SWDB5-3-2 1,500–1,800 kg/h 400 kW SWDB5-3--3 2,000–2,500 kg/h 420 kW SWDB5-4 2,500–2,900 kg/h 500 kW SWDB5-5 2,900–3,300 kg/h 520 kW SWDB5-6 3,000–4,000 kg/h 650 kW These figures are the manufacturer's published model specifications, not guaranteed output under every production condition. Actual output depends on the formulation, product dimensions, operating settings, and line configuration. The table does not represent equipment prices. When evaluating a quotation, compare the production capacity you can realistically use rather than choosing the largest model automatically. A line that exceeds your sales demand may increase equipment investment, electricity requirements, and factory infrastructure costs without providing an immediate commercial benefit. Which Equipment Is Included in the Price? Two suppliers may quote different prices because their packages include different equipment. Before comparing offers, confirm whether each quotation covers the complete production line or only the main extrusion equipment. The published SKY WIN SPC flooring extrusion system lists the following main components: Conical twin-screw extruder Five-roll laminator Laminating unit Oil-heated roll system Cooling support frame and cooling systems Edge trimming unit Haul-off unit High-speed sheet cutter Electrical control system Depending on the plant's production process, buyers may also need to budget for raw material mixing and feeding equipment, material handling, auxiliary utilities, packaging equipment, and other downstream operations. Confirm which items are included in the supplier's scope and which must be purchased separately. How Do Lamination and Cooling Systems Affect the Budget? SPC flooring production involves more than extruding a sheet. Depending on the product design, the line may need to apply decorative film or a wear-resistant layer, maintain consistent sheet dimensions, cool the material, trim the edges, and cut sheets to the required length. Lamination and embossing requirements can affect equipment selection and control arrangements. Cooling capacity is also important because the line must handle the output from the extruder while helping the sheet maintain the required quality and dimensions. When requesting a quotation, explain the flooring structure, surface finish, target sheet thickness, and whether online lamination or embossing is required. This gives the manufacturer a clearer basis for recommending a suitable configuration instead of quoting equipment that may not meet the intended production needs. What Other Costs Should You Include in the Investment? The purchase price of the machinery is not the same as the total cost of establishing an SPC flooring manufacturing plant. A more complete budget should account for the costs required to install the line and operate it reliably. Shipping and logistics: International freight, insurance, customs duties, and local transport, where applicable. Installation and commissioning: Mechanical installation, electrical connections, startup assistance, and operator training. Factory infrastructure: Available floor space, electrical supply, cooling water, ventilation, and other utilities required by the selected configuration. Raw materials: PVC resin, calcium carbonate, stabilizers, and other formulation ingredients. Labor and energy: Staffing, electricity, routine maintenance, and consumables. Quality control and packaging: Inspection equipment, handling, packaging, and storage arrangements. Some of these items may be included in a supplier's proposal, while others may be the buyer's responsibility. Requesting a clear breakdown helps avoid unexpected costs after the machine has been ordered. Is a Complete Production Line Better Value Than Buying Individual Machines? A complete line can simplify equipment coordination because the main extrusion, lamination, cooling, haul-off, cutting, and control systems are selected to work together. This can be useful for manufacturers building a new factory or replacing an existing production setup. Buying equipment separately may be suitable when a factory already has compatible auxiliary systems or only needs to upgrade a particular production stage. However, buyers should check line speed compatibility, control integration, available space, and the responsibilities of each supplier before choosing this approach. The right option depends on the existing factory, the required output, and the level of technical coordination the buyer can manage. The lowest initial quotation is not necessarily the lowest-cost solution over the equipment's service life. How Can You Get an Accurate SPC Flooring Production Line Quote? To receive a meaningful quotation, prepare a short production brief before contacting an equipment manufacturer. This allows the supplier to match the machine configuration to your actual requirements. Target output per hour or per shift Required sheet width and thickness SPC flooring structure and material formulation Requirements for online lamination and embossing Available factory space and electrical capacity Expected automation level Destination country and installation requirements Whether the quotation should include installation, commissioning, and training If your project involves multiple flooring materials, you can also review the PVC/WPC flooring base material extrusion line. This system is designed to produce base sheets for SPC, WPC, and LVT flooring. It is a related solution to evaluate when planning a broader flooring material production operation, although the final equipment choice should follow your product specifications. For manufacturers comparing different flooring technologies, SKY WIN also offers a high-speed LVT flooring extrusion line. The suitable system depends on the flooring product and manufacturing process you intend to run. SKY WIN's published SPC line specifications provide a starting point for discussing output, power requirements, and equipment configuration. To determine the actual investment, request a project-specific quotation that separates the machinery price from optional equipment, services, and other costs. Frequently Asked Questions About SPC Flooring Production Line Cost How much does an SPC flooring production line cost? There is no single price for every SPC flooring production line. The quotation depends on production capacity, equipment configuration, automation, product specifications, and the services included. Contact the manufacturer for a price based on your project requirements. What is the biggest factor affecting SPC flooring machine price? Production capacity and equipment configuration are two major factors. A higher-output line may require a larger extruder, more installed power, and supporting cooling and downstream equipment. What is the output capacity of SKY WIN's SPC extrusion line? SKY WIN publishes SWDB5 series models with stated output capacities ranging from 600–800 kg/h for the SWDB5-2 to 3,000–4,000 kg/h for the SWDB5-6. Actual production results depend on the material, product specifications, and operating conditions. Does the quoted price include lamination and cutting equipment? That depends on the supplier's quotation and the selected configuration. SKY WIN's published SWDB5 machine list includes a five-roll laminator, laminating unit, cooling systems, edge trimmer, haul-off unit, high-speed sheet cutter, and electrical control system. Confirm the exact supply scope in the quotation. What costs should be budgeted beyond the machinery price? Potential additional costs include shipping, customs duties, installation, commissioning, factory utilities, raw materials, labor, electricity, maintenance, quality inspection, and packaging. Some items may be included in the supplier's offer, so check the quotation carefully. How can I choose the right production capacity? Start with your expected sales demand, required output per shift, product dimensions, and planned operating schedule. Then compare the machine's rated capacity with your realistic production needs instead of selecting a model based on maximum output alone. What information should I provide to get a quotation? Provide your target output, sheet width and thickness, flooring structure, lamination and embossing requirements, factory conditions, destination country, and desired installation or training services. These details help the manufacturer recommend an appropriate configuration. Is the lowest-priced SPC production line always the best choice? No. Compare the equipment scope, expected output, product quality requirements, energy needs, technical support, and long-term operating costs. A suitable line should meet your production goals without unnecessary capacity or missing essential equipment. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How much does an SPC flooring production line cost?", "acceptedAnswer": { "@type": "Answer", "text": "There is no single price for every SPC flooring production line. The quotation depends on production capacity, equipment configuration, automation, product specifications, and the services included. Contact the manufacturer for a price based on your project requirements." } }, { "@type": "Question", "name": "What is the biggest factor affecting SPC flooring machine price?", "acceptedAnswer": { "@type": "Answer", "text": "Production capacity and equipment configuration are two major factors. 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Confirm the exact supply scope in the quotation." } }, { "@type": "Question", "name": "What costs should be budgeted beyond the machinery price?", "acceptedAnswer": { "@type": "Answer", "text": "Potential additional costs include shipping, customs duties, installation, commissioning, factory utilities, raw materials, labor, electricity, maintenance, quality inspection, and packaging. Some items may be included in the supplier's offer, so check the quotation carefully." } }, { "@type": "Question", "name": "How can I choose the right production capacity?", "acceptedAnswer": { "@type": "Answer", "text": "Start with your expected sales demand, required output per shift, product dimensions, and planned operating schedule. 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Setting up an SPC flooring manufacturing plant requires more than purchasing an extrusion machine. A complete production setup needs the right equipment for raw material preparation, extrusion, sheet forming, lamination, cooling, cutting, quality inspection, and material handling. The exact configuration depends on the flooring structure, required production capacity, product dimensions, and the level of automation planned for the factory. For manufacturers entering the stone plastic composite flooring market, the main objective is to build a production system that can process PVC-based compounds consistently and produce flooring core sheets with stable thickness, suitable surface quality, and reliable dimensional performance. SKY WIN specializes in plastic extrusion machinery, including SPC, LVT, and WPC flooring production equipment. Its SPC/PVC flooring sheet extrusion line integrates the principal extrusion and downstream units required to manufacture flooring sheets. Understanding how these machines work together is the first step toward planning an efficient SPC flooring factory. Understand the Main Production Stages SPC flooring manufacturing generally begins with preparing and blending the raw materials. The compound is then processed through an extruder, formed into a continuous sheet, and passed through downstream equipment for calendering, lamination, cooling, trimming, and cutting. Further flooring processes may include surface finishing, profiling, and final packaging, depending on the factory's product range. For a plant producing SPC core sheets, the primary equipment can be grouped into several functional stages: Raw material weighing and mixing equipment. A conical twin-screw extrusion system. A sheet forming and calendering system. Online lamination equipment, when required by the product structure. Cooling equipment to stabilize the extruded sheet. Edge trimming, haul-off, and cutting units. Electrical controls and production monitoring equipment. Inspection, handling, and storage facilities. Not every factory needs to purchase every unit as a separate machine. Some functions can be integrated into a complete production line, while other operations may be performed by auxiliary equipment or separate downstream machines. The supplier should confirm which functions are included in the quotation. Raw Material Preparation and Mixing Equipment SPC flooring compounds commonly contain PVC resin, calcium carbonate, stabilizers, and other formulation-specific additives. The proportions and processing requirements vary according to the product specification and the manufacturer's formulation. Before extrusion, the ingredients need to be measured and blended according to the production recipe. Consistent raw material preparation helps maintain a uniform compound and reduces variation during downstream processing. A typical raw material preparation area may require: Weighing and batching equipment for controlled ingredient proportions. A high-speed mixer and, where appropriate, a cooling mixer. Material transfer equipment and suitable storage containers. Dust collection and workplace ventilation where required by the materials and process. The exact equipment depends on the plant's planned output and whether the factory will prepare its own compound or receive pre-blended material. When evaluating an SPC flooring extrusion line, buyers should clarify which raw material preparation systems are included and which must be sourced separately. Good mixing cannot compensate for an unsuitable formulation, and a high-capacity extruder cannot eliminate every problem caused by inconsistent raw materials. The preparation process and extrusion configuration should therefore be planned together. A Conical Twin-Screw Extruder for SPC Flooring Production The extruder is the core machine in an SPC flooring production line. It processes the prepared PVC-based compound through controlled heating, mixing, plasticization, and continuous extrusion. Its configuration needs to match the material formulation, target sheet dimensions, and required production output. SKY WIN's published SPC/PVC flooring sheet extrusion line uses a high-torque conical twin-screw extruder. The product page identifies PVC resin and calcium carbonate as principal raw materials for this equipment. When selecting the extrusion system, manufacturers should evaluate the following factors: Screw configuration and compatibility with the intended formulation. Heating and temperature control across the processing zones. Main motor power and the operating conditions associated with the rated output. Wear resistance of the screw and barrel when processing mineral-filled compounds. Availability of technical support, maintenance guidance, and replacement parts. SKY WIN publishes several SWDB5 configurations with different extruder sizes and rated output ranges. The listed output ranges vary by model, so the factory should not select a machine based on capacity alone. The supplier should confirm the expected output for the intended sheet width, thickness, formulation, and operating conditions. Calendering and Sheet Forming Equipment After extrusion, the material must be formed into a sheet with the required dimensions and surface characteristics. The calendering system helps control sheet thickness and surface finish as the material passes through the rollers. The suitable roller arrangement depends on the product structure, sheet width, thickness range, and whether lamination or embossing is integrated into the line. These requirements should be discussed before the machine configuration is finalized. SKY WIN's published SWDB5 equipment list includes a five-roll laminator, a laminating unit, and an oil-heated roll system. These components support sheet forming and related surface-layer processing within the specified line configuration. When comparing equipment proposals, ask the supplier how roller temperature, pressure, alignment, and line speed are controlled. These parameters affect the ability to maintain uniform sheet thickness and stable bonding between layers when online lamination is used. For projects that require a different base sheet configuration, SKY WIN also offers a PVC/WPC flooring base material extrusion line. This equipment is designed to integrate mixing, extrusion, calendering, cooling, and cutting for flooring base material production. The appropriate line should be selected according to the actual material and finished product requirements. Lamination Equipment for Decorative and Wear Layers Many SPC flooring products use a decorative film and a transparent wear layer to achieve their required appearance and surface performance. Depending on the production method, these layers may be applied through an online lamination process or handled through a separate downstream operation. Online lamination can combine multiple processing steps into a continuous production process, but the required configuration depends on the flooring structure and bonding requirements. Buyers should confirm which layers can be applied on the line, how temperature and pressure are controlled, and whether embossing is included. Before purchasing lamination equipment, clarify: The number and type of layers to be applied. Compatibility with the planned decorative film and wear layer. Whether embossing is required and whether it is integrated into the line. How the line controls bonding quality and surface appearance. Whether additional equipment is needed for special textures or product structures. SKY WIN lists separate controls for online lamination and embossing on its SPC/PVC flooring sheet extrusion line. Buyers can review the configuration on the SPC/PVC sheet extrusion line product page and confirm which options are included in their proposed setup. Cooling, Edge Trimming, Haul-Off, and Cutting Equipment Cooling and downstream handling equipment are essential parts of a continuous flooring sheet production line. After forming and lamination, the sheet needs to cool under suitable conditions before it is trimmed and cut to the required dimensions. Insufficient or uneven cooling may contribute to dimensional variation, internal stress, or sheet deformation. The appropriate cooling method and capacity depend on the material, sheet thickness, line speed, and production configuration. SKY WIN's published SWDB5 equipment list includes a cooling support frame, two cooling systems, an edge trimmer, a haul-off unit, and a high-speed sheet cutter. Each unit performs a different function: Cooling support frame and cooling systems: support controlled cooling as the sheet moves through the line. Edge trimmer: removes uneven edges to achieve the required sheet width. Haul-off unit: pulls the sheet forward at a controlled speed. High-speed sheet cutter: cuts the continuous sheet to the specified length. These units need to operate in coordination with the extruder and forming system. When requesting a quotation, confirm the permitted sheet dimensions, cutting tolerances, line speed range, and the level of automatic synchronization included in the configuration. Electrical Controls and Quality Inspection Equipment The electrical control system coordinates the major production units and allows operators to monitor operating parameters. Depending on the line configuration, control functions may include temperature adjustment, speed settings, equipment status monitoring, and coordination between extrusion and downstream sections. For a new factory, the control system should be considered together with operator training, maintenance access, safety procedures, and production monitoring requirements. Ask the supplier which control functions are standard and which are optional. Quality inspection equipment is also important. The factory should establish inspection procedures for sheet thickness, width, surface appearance, and other product-specific requirements. Additional tests may be needed for dimensional stability, bonding, or finished flooring performance, depending on the intended product and applicable standards. Inspection tools and test equipment should be selected according to the quality plan. Do not assume that every laboratory test or finished-flooring test is included with an extrusion line; confirm the scope with the supplier before finalizing the investment. Factory Utilities, Layout, and Material Handling Even when the production equipment is correctly selected, the factory needs suitable infrastructure to operate efficiently. Before installation, review the available floor area, electrical supply, cooling water requirements, ventilation, material storage, and safe access for operators and maintenance personnel. The production layout should provide enough room for the complete extrusion line and for moving raw materials, finished sheets, tools, and replacement parts. The installation plan should also account for equipment foundations, lifting access, maintenance clearances, and the movement of finished products to subsequent processing or storage areas. Depending on the planned production process, the factory may also need: Electrical distribution and suitable power capacity. Cooling water supply and associated circulation equipment. Compressed air where required by the selected machinery. Material storage, conveying, and dust management systems. Forklifts or other suitable handling equipment. Fire protection, machine guarding, and workplace safety facilities. These requirements vary by equipment configuration and local regulations. Ask the manufacturer for installation drawings, utility specifications, equipment dimensions, and foundation requirements before preparing the factory floor. How to Plan Production Capacity and Investment The required equipment configuration should follow the factory's production plan rather than an arbitrary target capacity. Before choosing a model, estimate the expected sales volume, product mix, working hours, maintenance time, and planned production changes. SKY WIN's published SWDB5 series lists model-dependent output ranges from 600–800 kg/h for the SWDB5-2 to 3,000–4,000 kg/h for the SWDB5-6. These are published equipment figures, not a guarantee of output for every formulation or product. The actual production target should be confirmed with the supplier under the intended operating conditions. When comparing quotations, evaluate the total project cost rather than the price of the main extruder alone. The complete investment may include: The extrusion line and its standard auxiliary equipment. Raw material preparation and mixing systems. Additional lamination or downstream finishing equipment. Factory utilities, installation, and commissioning. Inspection tools, handling equipment, and spare parts. Operator training and ongoing maintenance requirements. For manufacturers planning to expand their product range, it is also worth reviewing whether a separate LVT or WPC line would better match the intended product structure. SKY WIN provides an LVT flooring high-speed extrusion line for LVT sheet production. Equipment compatibility should be confirmed with the supplier rather than assuming that one line can manufacture every flooring type without configuration changes. What to Confirm Before Ordering an SPC Flooring Production Line Before signing a purchase contract, prepare a written equipment specification and ask the supplier to confirm the scope of supply. This helps avoid misunderstandings about which machines, auxiliary units, services, and technical documents are included. Use the following checklist when comparing equipment proposals: Target flooring type, sheet width, and thickness range. Raw material formulation and expected output under defined conditions. Extruder model, screw configuration, motor power, and temperature control. Calendering, lamination, cooling, trimming, haul-off, and cutting equipment. Electrical control functions and required factory utilities. Installation drawings, commissioning arrangements, and operator training. Warranty terms, spare parts availability, and technical support. Delivery schedule, payment terms, and acceptance criteria. SKY WIN has been developing extrusion equipment for SPC and WPC applications since 2004, according to its company profile. For manufacturers evaluating a new factory project, the next step is to share the planned flooring specifications and production target so the equipment configuration can be reviewed against the actual requirements. To explore the main equipment configuration, visit the SKY WIN SPC flooring extrusion line product page or contact the company to discuss your factory layout, output requirements, and project scope. Frequently Asked Questions About SPC Flooring Factory Equipment What equipment is needed to set up an SPC flooring manufacturing plant? A typical plant needs raw material preparation and mixing equipment, a conical twin-screw extruder, sheet forming and calendering equipment, lamination equipment when required, cooling systems, edge trimming, haul-off, cutting, electrical controls, and quality inspection tools. The exact configuration depends on the product and production plan. What is the main machine in an SPC flooring production line? The extruder is the core processing machine because it plasticizes and continuously extrudes the PVC-based compound. However, consistent production also depends on suitable raw material preparation, sheet forming, cooling, and downstream handling equipment. What raw materials are used to manufacture SPC flooring? SPC flooring compounds commonly contain PVC resin, calcium carbonate, stabilizers, and other formulation-specific additives. The precise recipe depends on the required product properties and should be developed and validated for the intended manufacturing process. What is the role of a calendering system in SPC flooring production? The calendering system helps form the extruded material into a sheet and control its thickness and surface characteristics. The required roller arrangement depends on the product dimensions, surface requirements, and whether lamination or embossing is integrated into the process. How do I determine the production capacity required for my SPC flooring factory? Estimate expected sales volume, working hours, product dimensions, material formulation, maintenance time, and planned downtime. Then ask the equipment supplier to confirm the achievable output for the intended product instead of relying only on the maximum rated capacity. Can one production line manufacture both SPC and LVT flooring? Some extrusion line configurations may support more than one flooring product, but compatibility depends on the material formulation, product structure, tooling, lamination process, and downstream requirements. Confirm the permitted applications with the manufacturer before purchasing. What factory utilities should be prepared before installation? Common requirements include a suitable electrical supply, cooling water where specified, compressed air if required, adequate ventilation, material storage, and safe space for installation and maintenance. The final requirements should be based on the supplier's equipment drawings and utility specifications. What should I check before buying SPC flooring manufacturing equipment? Confirm the product specifications, achievable output, equipment configuration, included auxiliary machines, utility requirements, installation scope, training, warranty, spare parts, and after-sales support. Compare quotations against the same written requirements to make a fair assessment. Planning an SPC flooring factory starts with a clear understanding of the intended product and production target. By matching raw material preparation, extrusion, forming, cooling, and downstream equipment to those requirements, manufacturers can build a more practical production system. Contact SKY WIN to discuss your SPC flooring project and request a configuration based on your product specifications and factory needs. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What equipment is needed to set up an SPC flooring manufacturing plant?", "acceptedAnswer": { "@type": "Answer", "text": "A typical plant needs raw material preparation and mixing equipment, a conical twin-screw extruder, sheet forming and calendering equipment, lamination equipment when required, cooling systems, edge trimming, haul-off, cutting, electrical controls, and quality inspection tools. 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Choosing an SPC flooring extrusion line is an important decision for any factory planning to manufacture stone plastic composite flooring. The right production line needs to match the factory's target output, flooring specifications, raw material formulation, available space, and long-term production plans. A machine with a high rated capacity is not necessarily the best choice if its configuration does not match the products you intend to manufacture. For flooring manufacturers, the goal is to build a production system that delivers consistent sheet quality, reliable operation, and a practical balance between equipment investment and manufacturing costs. SKY WIN provides extrusion equipment for SPC, LVT, and WPC flooring production, with configurations that can be evaluated according to different manufacturing requirements. This guide explains the key factors to consider before purchasing an SPC flooring extrusion line, helping buyers compare technical specifications and make a more informed equipment investment. Define Your Flooring Products Before Selecting the Equipment The first step is to determine exactly what the factory plans to produce. SPC flooring, LVT flooring, and WPC flooring may share some processing technologies, but their core materials, product structures, and processing requirements are different. These differences influence the extruder design, tooling, calendering system, cooling section, and downstream equipment. SPC flooring typically uses PVC resin, calcium carbonate, stabilizers, and other additives to produce a rigid core sheet. LVT flooring can require a different material formulation and product structure, while WPC flooring may involve wood-plastic composite materials or foamed core formulations. Equipment suitability depends on the specific product design and processing conditions. Before requesting a quotation, prepare the following information: Flooring type and intended product structure. Target sheet width and thickness range. Required production output under actual operating conditions. Raw material formulation and expected filler content. Whether online lamination, embossing, or other integrated processes are required. Available factory space and downstream processing requirements. These details help the equipment supplier determine whether a standard configuration is suitable or whether a customized production line is needed. They also reduce the risk of comparing quotations that include different equipment and production capabilities. Match Production Capacity to Your Actual Manufacturing Plan Production capacity is one of the most important factors when choosing an SPC flooring extrusion line. However, the rated output shown in a specification sheet should not be treated as the guaranteed output for every product. Actual production depends on sheet thickness, width, material formulation, extrusion stability, operating speed, and the performance of downstream equipment. SKY WIN's published SPC/PVC flooring sheet extrusion line specifications list several SWDB5 configurations. The published output ranges extend from 600–800 kg/h for the SWDB5-2 model to 3,000–4,000 kg/h for the SWDB5-6 model. The same product page lists sheet thicknesses of 1.5–7 mm and sheet widths of 970–1,220 mm for the series. These figures provide a useful starting point for comparing equipment sizes, but buyers should confirm the output achievable with their intended formulation, finished sheet dimensions, and production conditions before selecting a model. Selection factor What to confirm Target output Required hourly output for the actual flooring formulation and dimensions. Sheet dimensions Compatible width and thickness ranges for the intended products. Operating schedule Planned working hours, maintenance time, product changeovers, and startup waste. Future demand Expected sales growth and the cost of adding capacity later. It is usually more useful to compare achievable output under the same product conditions than to select equipment based on the highest advertised number. A properly matched line can help manufacturers balance throughput, product consistency, material consumption, and operating costs. Evaluate the Extruder and Screw Configuration The extruder is the core of an SPC flooring production line. It must process the PVC-based compound consistently, provide suitable plasticization and mixing, and deliver a stable melt to the forming section. Screw geometry, torque, heating control, and wear resistance all influence performance. SKY WIN's SPC/PVC flooring sheet extrusion line uses a conical twin-screw extruder. This configuration is designed for processing PVC-based composite materials containing calcium carbonate and other additives. When reviewing an extruder, buyers should ask the supplier to explain how the screw design matches the planned formulation. A formulation containing a high proportion of mineral filler may place different demands on the screw and barrel than a formulation with a lower filler content. Important points to verify include: Whether the screw configuration is suitable for the intended raw materials. How the heating and temperature control systems maintain stable processing conditions. What wear-resistant treatment or material options are available for the screw and barrel. How the extruder handles changes in formulation and production speed. Whether the supplier can provide processing recommendations and technical support. Rather than choosing an extruder by motor power alone, compare the complete configuration and request technical confirmation for your target product. This helps establish whether the equipment can meet the required production conditions. Check the Calendering, Cooling, and Lamination Systems A suitable extruder is only one part of the production line. The downstream section also affects sheet thickness, surface appearance, cooling behavior, and the consistency of the finished flooring base. Depending on the line configuration, downstream equipment may include a calendering system, online lamination equipment, embossing units, cooling support frames, edge trimming, haul-off equipment, and cutting systems. The specific combination should be selected according to the product structure and the required manufacturing process. For example, SKY WIN's published SWDB5 equipment list includes a five-roll laminator, a laminating unit, an oil-heated roll system, cooling equipment, an edge trimmer, a haul-off unit, a high-speed sheet cutter, and an electrical control system. When comparing suppliers, ask how the extruder and downstream units are synchronized. If the processing speed, temperature, cooling capacity, or material flow is not properly matched, the line may struggle to maintain consistent sheet dimensions and surface quality. For factories that require a different base material configuration, the PVC/WPC flooring base material extrusion line is another option to evaluate. SKY WIN describes this system as integrating mixing, extrusion, calendering, cooling, and cutting for the production of flooring base sheets. Consider Automation, Factory Space, and Operating Costs Automation requirements should reflect the factory's production volume, labor availability, and quality control needs. A more integrated system may reduce manual handling, but the actual benefit depends on how well the equipment matches the manufacturing process. When evaluating the electrical control system and automation options, ask whether operators can monitor key processing parameters, coordinate line speed, adjust operating settings, and identify production problems efficiently. Also confirm which functions are standard and which require additional equipment. Factory space is another important consideration. The layout must accommodate the extruder, forming and cooling sections, cutting equipment, material handling, and safe access for operation and maintenance. Buyers should obtain the overall line dimensions and discuss the layout before finalizing the purchase. Operating costs should be assessed alongside the initial equipment price. Relevant factors include energy consumption, raw material waste, maintenance requirements, spare parts, labor, and downtime. Request information based on comparable production conditions so that different equipment proposals can be evaluated fairly. Evaluate the Supplier's Engineering and After-Sales Support Purchasing an SPC flooring extrusion line is a long-term manufacturing investment. The supplier's technical experience, commissioning support, spare parts availability, and ability to troubleshoot production problems can affect how smoothly the factory starts and maintains production. Before placing an order, ask the supplier to clarify: Which equipment and auxiliary systems are included in the quotation. Whether installation, commissioning, and operator training are available. What documentation and maintenance instructions are supplied. How technical support and spare parts are provided after delivery. Whether reference projects or relevant customer cases can be shared. What the warranty covers and which conditions apply. SKY WIN presents its SPC, LVT, and WPC extrusion equipment as part of its flooring machinery portfolio. Its published SPC, LVT, and WPC flooring project case describes a long-term relationship with an international flooring manufacturer and equipment projects supporting expansion into Vietnam. When reviewing a case study, focus on whether the customer's product requirements and production conditions are similar to your own. Ask for further technical details where available, rather than assuming that one project demonstrates identical performance under all manufacturing conditions. Compare Equipment Proposals Before Making the Final Decision Before selecting a supplier, prepare a consistent specification sheet and ask each manufacturer to quote against the same requirements. This makes it easier to identify differences in configuration, output assumptions, included equipment, and service scope. A practical evaluation should cover the following areas: Product compatibility and raw material requirements. Verified output for the target sheet dimensions and formulation. Extruder, calendering, cooling, and cutting configurations. Automation functions and electrical components. Factory layout, installation requirements, and utility needs. Energy consumption, maintenance, and expected spare parts requirements. Delivery schedule, commissioning, training, and after-sales support. For manufacturers comparing flooring technologies, it may also be useful to review SKY WIN's LVT flooring high-speed extrusion line. The product page provides a separate set of specifications for LVT production, helping buyers understand why the required configuration should be selected according to the intended flooring type. The best SPC flooring extrusion line is not necessarily the largest or the most expensive. It is the system that meets the factory's production requirements, provides suitable process control, supports the intended product quality, and offers a practical long-term operating plan. Frequently Asked Questions About SPC Flooring Extrusion Lines What should I consider first when choosing an SPC flooring extrusion line? Start with the flooring structure, target output, sheet dimensions, raw material formulation, and available factory space. These requirements determine the suitable extruder configuration and downstream equipment. What is the typical output of an SPC flooring extrusion line? Output depends on the machine model, formulation, sheet dimensions, and operating conditions. SKY WIN's published SWDB5 series lists model-dependent output ranges from 600–800 kg/h to 3,000–4,000 kg/h. Buyers should confirm achievable output for their specific product requirements. Why is a conical twin-screw extruder used for SPC flooring? A conical twin-screw extruder is designed to process PVC-based compounds and support mixing, plasticization, and continuous extrusion. Its suitability should be evaluated against the actual formulation, filler content, and required output. Can an SPC flooring extrusion line produce LVT flooring? Some equipment configurations may support different flooring products, but compatibility should not be assumed. Confirm the material formulation, product structure, tooling, lamination process, and downstream requirements with the equipment supplier before purchasing. Which downstream equipment should be included in an SPC flooring production line? Depending on the product and configuration, the line may require calendering, lamination, cooling, edge trimming, haul-off, cutting, and electrical control systems. The supplier should confirm which units are included and whether additional equipment is required for the intended process. How can I compare quotations from SPC flooring extrusion line manufacturers? Compare quotations against the same product specifications, output conditions, machine configuration, included auxiliary equipment, automation functions, installation scope, warranty, and after-sales support. A consistent comparison is more useful than comparing purchase prices alone. What information should I provide when requesting an SPC flooring extrusion line quotation? Provide the flooring type, raw material formulation, target sheet width and thickness, required output, planned operating schedule, factory layout, and automation preferences. This allows the supplier to recommend a configuration based on your actual production needs. If you are planning a new flooring factory or upgrading an existing production line, share your product specifications, target output, and project requirements with SKY WIN. The technical team can help you evaluate a suitable SPC flooring extrusion configuration and clarify the equipment and support required for your project. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What should I consider first when choosing an SPC flooring extrusion line?", "acceptedAnswer": { "@type": "Answer", "text": "Start with the flooring structure, target output, sheet dimensions, raw material formulation, and available factory space. These requirements determine the suitable extruder configuration and downstream equipment." } }, { "@type": "Question", "name": "What is the typical output of an SPC flooring extrusion line?", "acceptedAnswer": { "@type": "Answer", "text": "Output depends on the machine model, formulation, sheet dimensions, and operating conditions. SKY WIN's published SWDB5 series lists model-dependent output ranges from 600–800 kg/h to 3,000–4,000 kg/h. 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Introduction Luxury Vinyl Tile (LVT) has become one of the fastest-growing flooring categories worldwide, prized for its durability, realistic wood and stone visuals, and ease of installation. But behind the attractive designs lies a tough manufacturing challenge: LVT is a multi-layer composite, and every layer must be uniform in thickness, perfectly bonded, and free of defects — at increasingly demanding output targets. This is where high-speed LVT flooring extrusion lines change the game. By combining twin-screw extrusion, multi-layer co-extrusion, precision calendering, and automated process control, modern lines deliver a step change in throughput, consistency, and cost per square meter. Here is how they do it. What an LVT Extrusion Line Actually Does An LVT extrusion line turns PVC resin, calcium carbonate filler, plasticizers, stabilizers, and additives into a finished flooring sheet in one continuous process: Material mixing → twin-screw extrusion → T-die forming → multi-roll calendering → film & wear-layer lamination → cooling → trimming → cutting → stacking Whereas older equipment treated each stage as a separate, manually supervised step, a high-speed line integrates them into a single, tightly synchronized flow. For manufacturers evaluating an integrated solution, explore the LVT Flooring High-speed Extrusion Line from SKY WIN. Six Ways High-Speed Lines Boost Efficiency 1. Twin-Screw High-Speed Extrusion Twin-screw extruders plasticize the PVC compound far more thoroughly and convey it faster than single-screw designs. Better mixing means a more homogeneous melt, stable extrusion at higher speeds, and — with an optimized screw geometry — lower energy consumption per kilogram of output. 2. Multi-Layer Co-Extrusion in a Single Pass Modern lines co-extrude multiple layers (often 4–6) synchronously, achieving layer-thickness accuracy of roughly ±0.02 mm. Instead of laminating separately produced sheets, the base, reinforcement, decorative film, and wear layer are combined inline. Fewer steps, fewer handoffs, and fewer chances for misalignment translate directly into higher throughput and better dimensional stability. 3. Precision T-Die and Online Thickness Control A high-precision T-die combined with online gauging (often closed-loop feedback) keeps sheet thickness and flatness consistent in real time. The line self-corrects before defects accumulate, which is why modern installations report finished-product yield rates of 98% or higher — versus significant scrap on conventional lines. 4. Multi-Roll Calendering for Perfect Layer Bonding Multi-roller calender systems laminate the base layer, printed film, and wear layer under precisely controlled pressure and temperature. The result is flawless layer adhesion, a smooth surface, and fewer delamination rejects — all at continuous line speeds of roughly 6–10 m/min. Learn more about SKY WIN's Double-layer LVT Flooring Extrusion Line for a closer look at co-extrusion and multi-layer production configurations. 5. Automation, Robotics, and Digital Monitoring High-speed lines automate material feeding, in-line inspection, winding, trimming, cutting, and robotic stacking. Integrated sensors and IIoT dashboards track temperature, tension, and speed across the line, flagging anomalies before they become downtime events. Compared with comparable conventional equipment, operators report productivity gains of around 30%, with sharply reduced manual labor. 6. Energy and Material Efficiency Optimized screw designs and smart temperature control cut energy use per ton, while online gauging and precise feed reduce material waste. Lower scrap and lower energy together compress operating costs as output rises. Depending on the product structure and production requirements, manufacturers can also review the PVC Flooring (SPC/LVT) Sheet Extrusion Line when comparing flooring production equipment. The Business Impact Putting these together, a high-speed LVT extrusion line improves production efficiency in four measurable ways: · Higher throughput — more square meters per hour, per shift, per line. · Lower waste — fewer rejects and less edge trim, thanks to inline gauging and co-extrusion. · Better consistency — every batch matches the last, protecting brand quality and reducing rework. · Leaner labor — automation shrinks headcount per line and frees operators for higher-value tasks. Conclusion High-speed LVT extrusion lines are not just "faster versions" of older machines — they are a different production philosophy. By integrating twin-screw extrusion, single-pass multi-layer co-extrusion, precision calendering, and intelligent process control, they convert the inherent complexity of LVT into an efficiency advantage. For flooring manufacturers competing on cost and quality, upgrading the extrusion line is one of the highest-leverage investments available. Want to learn more about configuring a high-speed LVT line for your product mix and output target? Get in touch with our engineering team. Contact SKY WIN's engineering team to discuss your production requirements. Frequently Asked Questions 1. What is a high-speed LVT flooring extrusion line? A high-speed LVT flooring extrusion line is an integrated production system that processes PVC compounds into flooring sheets. It can combine extrusion, T-die forming, calendering, lamination, cooling, trimming, and cutting in a continuous workflow. 2. How does twin-screw extrusion improve LVT production efficiency? Twin-screw extrusion supports compound mixing, plasticization, and material conveying. When the screw design and processing conditions are properly matched to the formulation, the system can help maintain stable output and consistent sheet quality. 3. Why is calendering important in LVT flooring production? Calendering uses controlled rollers, pressure, and temperature to help produce a uniform sheet surface and bond flooring layers. Proper settings can reduce thickness variation and bonding defects. 4. Which factors affect the output of an LVT extrusion line? Output depends on the extruder configuration, raw material formulation, sheet thickness and width, line speed, cooling capacity, downstream equipment, and the stability of the overall process. Actual capacity should be evaluated against the required product specifications. 5. How can manufacturers choose a suitable LVT extrusion line? Manufacturers should consider the LVT product structure, target output, sheet dimensions, material formulation, automation requirements, factory layout, energy use, and maintenance needs. Discussing these factors with an equipment supplier helps determine an appropriate line configuration.

Luxury vinyl tile (LVT) flooring has become one of the fastest-growing categories in the global flooring market, and the machinery behind it — the extrusion line — is the single biggest capital investment most LVT Extruder manufacturers will ever make. Choose the right line, and you get stable quality, efficient output, and room to grow. Choose the wrong one, and you may be stuck with a machine that cannot keep up with market trends, or worse, produces flooring that fails certification. This guide walks through the key factors you should evaluate before signing a purchase contract. 1. Start with the Product, Not the Machine Before comparing suppliers or specifications, be clear about what you actually want to produce. The extrusion line must be matched to the product structure: Dry-back LVT (flexible) — glue-down tiles made from PVC + plasticizer + filler. Usually produced on a calender line with a multi-layer lamination process. SPC (Stone Plastic Composite) — rigid core with a high limestone filler content (typically 60–75%), produced by direct extrusion. WPC (Wood Plastic Composite) — foamed rigid core, lighter and more forgiving underfoot, but more demanding to extrude. LVT with rigid core + IXPE/EVA underlayment — requires an additional online lamination station. Each product requires a different configuration of extruder, tooling, calender or calibrator, and downstream units. A line optimized for SPC is not automatically suitable for dry-back LVT, and vice versa. If you plan to produce multiple structures, look for a line with quick-change tooling and modular downstream sections. 2. Define Your Real Capacity Requirement Capacity is where wishful thinking most often collides with reality. Calculate your target output backward from your sales plan: How many square meters per year do you expect to sell, at what product mix? Divide by realistic working hours (not 24/7 fantasy uptime — factor in maintenance, color changes, and startup scrap). Then match this to the line's rated speed in meters per minute at your target thickness. For example, a line rated at 4–6 m/min producing 3–4 mm SPC board roughly translates to a different annual output than the same line running 5 mm product with a thick wear layer. Ask the supplier to state capacity at your specific product specification, not at the theoretical best-case. Tip: A common mistake is buying a line sized for today's orders with zero headroom. Size the line for your 3-year projection — upgrading capacity later is far more expensive than buying correctly the first time. 3. Understand the Core Extrusion Configuration The heart of the line is the extrusion system. Key decisions include: Extruder type and size Conical twin-screw extruders are the industry standard for SPC because they handle high filler loading well, provide good melting at moderate screw speed, and offer gentle treatment of the compound. Check the L/D ratio and screw design — a poorly designed screw will cause melt temperature fluctuation, which shows up directly as thickness variation in the board. If you plan to run WPC, confirm the extruder and screw configuration can handle foaming agents and the lower bulk density of the wood-flour compound. Single vs. tandem extrusion A tandem (two-stage) system — a larger primary extruder feeding a smaller secondary one — allows higher line speed with better melt stability and lower melt temperature, which improves board quality and reduces shrinkage. Single large extruders are cheaper upfront but may limit your maximum speed and quality ceiling. Die and tooling The die determines thickness uniformity across the board width. Ask: Is the die designed for your target thickness range? How long does a die change take? Are flexible lip dies or auto die gap adjustment available? How many sets of tooling are included, and what do additional sets cost? 4. Evaluate the Downstream Equipment — Where Quality Is Actually Made A great extruder with a weak downstream section produces mediocre flooring. Pay close attention to: Cooling and calibrating Calibration table length and cooling water circuit design directly affect dimensional stability. Insufficient cooling is a leading cause of board warping and post-embossing distortion. For multi-layer products, check whether the cooling section supports lamination of the decorative film and wear layer inline (hot lamination, better adhesion) or requires offline lamination (lower adhesion strength, extra handling). Embossing Registered embossing (texture synchronized with the printed film) is now practically a market requirement for premium products. Confirm the line can achieve it, and ask how the embossing register is aligned and maintained. UV coating and curing If you want pre-finished product, an inline UV coater and curing system saves a separate process. Check the number of coating heads, lamp power, and whether scratch-resistant coatings are compatible. Cutting and profiling Look at the cutting accuracy (length tolerance), the quality of the cut edge, and how quickly the line handles click-profile punching or profiling if you intend to ship click-lock product. Many manufacturers buy profiled edge-banding or click machines as a separate station — clarify whether it's included, optional, or excluded. Online thickness and weight monitoring Automatic thickness gauges (beta gauge or laser-based) with closed-loop die adjustment keep your tolerance tight and your material cost down. On high-filler SPC, even 0.05 mm of extra thickness across a year of production is a large amount of raw material. 5. Automation and Control Level Modern lines range from "operator watches gauges and turns handwheels" to fully integrated MES-ready systems. When evaluating the control system: Is the PLC/SCADA system from a recognized brand (Siemens, Mitsubishi, etc.)? Obscure controllers become a maintenance nightmare when the supplier disappears. Does the line store and recall recipes (temperature profiles, speeds, die settings)? Recipe management is what makes product changeovers fast and repeatable. Is remote diagnostics supported? This matters enormously when your supplier is overseas. Can the line export production data (output, scrap rate, energy per kg) for your own cost accounting? 6. Raw Material Flexibility and Cost Control Your line's tolerance for raw material variation determines your procurement freedom: Filler content range — can the line run 70%+ calcium carbonate reliably? Higher filler = lower cost per square meter. Some lines choke above a certain filler ratio; get this verified with a trial run. Recyclability — can regrind and scrap be fed back into the core layer, and at what percentage? If you're in a region with volatile PVC pricing, the ability to run wider formulation windows is a genuine competitive advantage. 7. Supplier Evaluation: Beyond the Brochure The extrusion line is a 10+ year relationship, not a one-time purchase. Evaluate suppliers on: Installed base — how many lines are running, and where? Ask for references of factories running your target product at your target speed, then call them. Mechanical vs. process support — some suppliers deliver machines but cannot help you develop formulations or debug product defects. Ask what process engineering support is included. Spare parts availability — lead times for screws, barrels, heater bands, and die components. Ask for a recommended spares list and price it before purchase. Commissioning and training — how many engineers, on-site for how many days, and what training does your team receive? Insist on training that covers recipe development, not just button-pushing. Upgradability — can the line accept a faster embosser, an additional UV station, or an inline click profiler later? Warranty terms — what exactly is covered, and what response time is guaranteed? Frequently Asked Questions (FAQ) Q1: How do your extrusion screws and barrels handle high calcium carbonate wear? Our extrusion machines utilize heavy-duty bimetallic screws and alloy barrels treated with advanced wear-resistant coatings (including tungsten carbide options). This design is engineered specifically for high-filler formulations (up to 70%–75% CaCO3), ensuring extended operational lifespan, minimal maintenance downtime, and consistent melt pressure. Q2: Can your extrusion lines be customized for both SPC and LVT/WPC production? Yes. We offer modular extrusion machinery setups. By customizing screw geometry, L/D ratios, and interchangeable downstream tooling, our lines can be configured for high-density rigid core SPC, foamed WPC, or multi-layer composite structures according to your factory's exact requirements. Q3: What automation and control systems do you install on your machinery? We integrate tier-one industrial PLC and HMI control systems (such as Siemens or Mitsubishi) across our extrusion lines. Our machines feature multi-recipe storage, real-time closed-loop temperature tracking, remote IoT diagnostics for rapid troubleshooting, and optional automated die-lip adjustment systems. Q4: What technical support, commissioning, and spare parts services do you provide? As an original equipment manufacturer, we supply end-to-end support including plant layout engineering, on-site installation, machine commissioning, and operator training covering formula execution and tooling maintenance. We also maintain a complete inventory of core spare parts for rapid dispatch worldwide.

Today, plastic indoor flooring is becoming increasingly popular. SPC, WPC, and LVT flooring have already captured more than 70% of the market. While we’ve discussed the PVC flooring extrusion machine in previous articles, today let’s dive deep into the core technology: the PVC wear layer film. The wear layer is the ultimate shield of your flooring. It directly dictates the product's lifespan, scratch resistance, and overall aesthetics. When selecting a high-quality PVC wear layer, understanding the underlying chemistry and manufacturing routes is just as critical as the PVC flooring extrusion machine and processing equipment used. Ethylene Method vs. Calcium Carbide Method: Key Technical Differences In the industry, there are two primary manufacturing routes for PVC resin: the Ethylene Method and the Calcium Carbide Method. Understanding the technical differences between them is the key to choosing a premium wear layer: 1. Superior Abrasion Resistance & T-Grade Rating Wear layers manufactured using the Ethylene Method exhibit exceptional durability. Thanks to the high purity of the resin, they easily achieve the highest T-Grade wear rating, offering significantly better protection against daily mechanical wear and tear compared to those made with Calcium Carbide resins. 2. Crystal-Clear Transparency & Color Fidelity A high-quality wear layer must be optically clear to showcase the PVC color film underneath. Ethylene-method PVC resins have fewer impurities and a narrower molecular weight distribution, resulting in superior transparency. This ensures that wood grain or stone patterns remain vivid and realistic, while effectively preventing yellowing over time. 3. Excellent Dimensional Stability Floors often face extreme temperature fluctuations. Ethylene-method wear layers feature a remarkably lower shrinkage rate and better dimensional stability. This means they are highly resistant to warping, expanding, or contracting under thermal stress, ensuring a long-lasting, flat surface. 4. Outstanding Thermal Stability & Aging Resistance Because of its high purity, Ethylene-method PVC boasts superior thermal stability and weatherability. It withstands degradation much better, greatly extending the overall service life of the SPC or LVT flooring even in harsh environments. 5. Uniform Plasticization & Intrinsic Quality The uniform plasticization of Ethylene-method resins guarantees a flawless, bubble-free wear layer. This eliminates intrinsic quality issues and ensures consistent performance across every batch of flooring produced, reducing defect rates on the production line. The Technical Bottom Line While Calcium Carbide-method resins may offer faster plasticization, Ethylene-method PVC is the undisputed champion for high-end flooring applications. Its advantages in transparency, abrasion resistance, and dimensional stability make it the preferred choice for top-tier manufacturers. Investing in high-quality wear layers made from Ethylene-method PVC is an investment in your brand's reputation. It guarantees that your SPC and LVT flooring will not only look stunning on day one but will also stand the test of time. Ready to upgrade your flooring production line with premium materials and high-efficiency PVC flooring extrusion machine solutions? Contact us today for expert wear layer solutions! Frequently Asked Questions (FAQ) Q1: What is a T-Grade rating for PVC wear layers? A: The T-Grade rating represents the highest classification of wear resistance under European standards (EN 660-2). It signifies maximum abrasion resistance and product longevity under heavy foot traffic. Q2: Why does the Ethylene Method prevent yellowing better than the Calcium Carbide Method? A: Ethylene-method PVC resins contain significantly fewer chemical impurities and side-reaction byproducts, giving the film superior UV stability, optical clarity, and resistance to thermal discoloration. Q3: How does wear layer quality affect SPC/LVT floor stability? A: A wear layer with low thermal shrinkage helps balance the multi-layer flooring structure, effectively preventing curling, edge-lifting, and warping during extreme ambient temperature changes.

  1. Market Saturation and Overcapacity With the rapid influx of manufacturers from carpet, ceramic tile, hardwood, and laminate backgrounds, the global SPC manufacturing capacity expanded exponentially. This sudden influx led to several industry shifts: Intense Price Competition: As production supply surpassed immediate demand in key markets, price wars intensified, compressing profit margins across both primary and secondary manufacturing hubs. Quality Divergence: Rapid market entry by non-specialized manufacturers created significant variance in product quality. Issues such as core stability, locking-system durability, and wear-layer consistency began separating top-tier suppliers from low-cost alternatives. Production Relocation Expansion: To diversify supply chain risks further and bypass shifting tariff policies, regional manufacturing hubs continued expanding into Mexico, Europe, and domestic US facilities alongside Southeast Asia. 2. Emerging Trends and Technical Innovation To stay competitive in a crowded market, manufacturers are moving beyond basic SPC offerings toward higher-value innovations: Acoustic & Comfort Improvements: Integration of premium IXPE or EVA underlayment pads and flexible core layers to address acoustic insulation and underfoot comfort. Enhanced Surface Realism: Adoption of digital printing, registered-in-embossing (EIR) technology, and ultra-matte protective finishes to mimic natural wood and marble textures authentic to high-end hardwood and tile. Sustainability & Recyclability: Growing demand for PVC-free rigid core options, bio-based plasticizers, and circular recycling programs for post-industrial SPC waste. 3. Strategic Recommendations for Industry Players To build a sustainable advantage in today's SPC market, businesses should focus on three core pillars: Product Differentiation: Avoid competing solely on price. Target niche segments such as heavy-commercial grades, extra-wide/long plank formats, or high-definition visual textures. Supply Chain Resilience: Maintain flexible sourcing models that leverage localized manufacturing and regional warehousing to reduce shipping lead times and tariff exposure. Strict Quality Management: Establish rigorous standards for core density, locking mechanism strength, and thermal expansion testing to protect brand reputation against lower-quality market noise. Key Components of the SPC Extrusion Line 1. Conical Twin-Screw Extruder Role: The main heart of the line. It heats, melts, and homogenizes the high-calcium PVC blend under high pressure and shear forces. Characteristics: High Torque & Wear Resistance: Because SPC formulation contains up to 70% calcium carbonate (CaCO3), the screw and barrel are treated with bimetallic coating to resist heavy wear and abrasio and Nitriding. Conical Screw Design: Provides high plasticized efficiency at lower processing temperatures, preventing PVC degradation while ensuring high output. 2. T-Die (Extrusion Mold) Role: Spreads the molten PVC/CaCO3 composite evenly across the full width to form a uniform sheet before exiting. Many customer are use 1300mm type , 1050 mm is not the main type again. Characteristics: Hanger-Type Flow Channel: Ensures equal melt distribution, pressure, and flow speed across the entire width. Adjustable Lip: Allows precise thickness control across the board to prevent core thickness from 3-8mm. 3. Five-Roll Calender (Calendering & Laminating System) Role: Shapes the sheet thickness, embosses surface texture, and laminates the wear layer and decorative PVC film directly onto the hot core sheet in a single step (online lamination). And the EIR is also making onto the sheet too. Which is 3D type. Characteristics: Precise Temperature Control: Oil-heating or water-heating circuits independently control each roller's temperature to guarantee strong lamination bonding without surface distortion. High Rigidity: Heavy-duty rollers withstand high hydraulic/pneumatic pressures required for crisp EIR (Embossed-in-Register) or standard texture pressing. 4. Cooling Bracket & Edge Trimming Unit Role: Gradually cools down the hot SPC board using air or water circulation while trimming the uneven raw edges. Characteristics: Controlled Cooling: Prevents internal stress buildup, which is critical to stopping the final planks from warping or bending later. Industrial Fan: 3 pairs, 2 pcs/pair. It is the standard parts for the cooling system. Optional Choice: Industrial Air condition. Online Edge Recycler: Side trims are immediately crushed online and routed back to the mixer/extruder to minimize material waste. 5. Haul-Off Unit (Tractor / Puller) Role: Continuously pulls the SPC sheet through the line at a synchronized speed with the calender. Characteristics: Multi-Rubber Roller Drive: Uses soft, high-grip rubber rollers to provide steady pulling force without slipping or damaging the delicate wear layer. Frequency Speed Control: Fully synchronized with the extruder and calender speeds via PLC to maintain consistent sheet thickness. 6. Cross-Cutting Machine (Cutter) Role: Cuts the continuous SPC sheet into specified sheet lengths (e.g., 1220 mm or custom lengths). Auto Travel / Encoder Tracking: Uses digital encoder tracking so the blade moves at the exact speed of the sheet during the cut, delivering a clean 90-degree right-angle cut without stopping production. 7. Automatic Stacker Role: Collects, lifts, and neatly stacks the cut SPC core boards onto pallets for cooling and post-processing. Characteristics: Pneumatic or vacuum-suction arm mechanism that reduces labor intensity and prevents scratch damage to board surfaces. The SPC extrusion line not only can made the SPC, but also the marble sheet, and also LVT too. We will introduce the LVT floor producing by the SPC extruder. Frequently Asked Questions (FAQ) Q1: Can an SPC extrusion line produce other types of flooring or sheets? Yes. In addition to standard rigid core SPC flooring, the line can be adapted to produce PVC marble sheets and luxury vinyl tiles (LVT) with appropriate configuration adjustments. Q2: What is the advantage of using a 1300 mm T-Die over a 1050 mm model? The 1300 mm T-Die allows for greater cutting layout flexibility, higher overall output, and the production of extra-wide or multi-row standard planks, making it the preferred industry standard. Q3: Why is bimetallic treatment necessary for the extruder screw and barrel? SPC formulas contain high ratios of calcium carbonate (CaCO3) up to 70%, which is highly abrasive. Bimetallic and nitriding treatments significantly prolong equipment lifespan against severe mechanical wear. Q4: How does online lamination on the five-roll calender benefit production? Online lamination bonds the wear layer, decorative film, and EIR texture directly to the hot core sheet in one continuous step, saving secondary processing costs and ensuring superior lamination strength.

Target Audience: New Entrants and Project Managers in the SPC Manufacturing Sector 1. Executive Summary For beginners entering the Stone Plastic Composite (SPC) flooring market, the choice of an extruder is a critical decision that defines the project's long-term viability. While high-capacity extruders offer theoretical economies of scale, stability and quality consistency are paramount over raw output volume. This report concludes that for new projects, prioritizing performance stability and process control yields a higher Return on Investment (ROI) than maximizing capacity. High-speed, unstable extrusion leads to excessive scrap rates, inconsistent product dimensions, and poor surface quality—issues that are catastrophic for new brands trying to establish market trust. A stable, moderately sized extruder allows for a smoother learning curve, better statistical process control (SPC), and sustainable growth. 2. Context: The SPC Manufacturing Challenge SPC flooring production involves extruding a mixture of Polyvinyl Chloride (PVC) resin, calcium carbonate (stone powder), and stabilizers at high temperatures. The process is sensitive to: Thermal Stability: PVC degrades easily if temperature control fluctuates. Mixing Homogeneity: High filler content (up to 60-70%) requires robust screw design to ensure uniform dispersion. Dimensional Precision: Click-lock systems require tolerances within ±0.1mm. For a novice operator or a new factory, the "process window" (the range of settings that produce good product) is narrow. Equipment choice directly impacts the ability to stay within this window. 3. Comparative Analysis: High Capacity vs. High Stability 3.1 The "Higher Capacity is Better" Approach Concept: Selecting the largest available extruder (e.g., dual-cone screw diameter >95mm or parallel twin-screw with max RPM) to maximize meters-per-hour output. Pros Cons for Beginners Lower Unit Cost (Theoretical): If running 24/7 at 100% efficiency, the cost per square meter is minimized. High Scrap Rate: Fast lines leave little time for adjustments. Minor errors result in massive waste before detection. Market Competitiveness: Ability to fulfill large orders quickly. Complex Control: High-speed extrusion requires experienced technicians to manage melt pressure and temperature. Future Proofing: Capacity reserves for market expansion. Quality Variance: High speed often compromises the mixing degree of stone powder and PVC, leading to brittle or warping floors. — Capital Risk: High upfront cost with a steep learning curve increases the risk of project failure. 3.2 The "Stability & Quality First" Approach Concept: Selecting a mid-range extruder known for precise temperature control, robust screw metallurgy, and advanced automation (PLC), even if the max speed is lower. Pros for Beginners Cons Consistent Quality: Stable melt pressure ensures uniform thickness and click-lock precision. Higher Unit Cost (Initial): Lower output means higher fixed cost allocation per unit initially. Lower Scrap Rate: Easier to control parameters reduces material waste significantly. Capacity Limits: May struggle with sudden, massive rush orders without multiple lines. Easier Operation: Forgiving process window allows novice teams to learn and optimize gradually. — Brand Reputation: Consistent quality builds customer trust faster than cheap, defective products. — Better SPC Implementation: Stable processes generate reliable data for Statistical Process Control. — 4. Critical Technical Factors for Beginners When evaluating extruders, beginners should focus on these stability indicators rather than just the "kg/hour" rating: 4.1 Screw Design and Metallurgy Importance: SPC formulas are abrasive due to high calcium carbonate content. Recommendation: Choose screws with bimetallic liners or specialized alloy coatings. A worn screw causes output fluctuations and poor mixing. Stability comes from wear resistance, not just size. 4.2 Temperature Control Precision Importance: PVC degradation occurs rapidly with temperature spikes. Recommendation: Look for extruders with closed-loop oil heating/cooling systems and PID control accuracy within ±1°C. High-capacity machines often struggle to dissipate heat fast enough at high speeds, leading to instability. 4.3 Drive System and Torque Importance: Fluctuating torque indicates uneven feeding or mixing. Recommendation: A stable drive system maintains constant RPM under load variations. This ensures the "line speed" matches the "extrusion speed," preventing dimensional drift. 4.4 Integration with Downstream Equipment Importance: The extruder is only one part of the line. Recommendation: A stable extruder must sync perfectly with the calibration table and haul-off. High-speed extruders often overwhelm the cooling capacity of standard calibration tables, causing warpage. 5. The Role of SPC (Statistical Process Control) In manufacturing, SPC (Statistical Process Control) relies on process stability. Unstable Process: If the extruder output fluctuates wildly (high capacity, low control), SPC charts will show constant "out of control" signals. You cannot calculate a valid Cpk (Process Capability Index). Stable Process: A stable extruder produces data with normal distribution. This allows beginners to: Establish baseline standards. Detect trends before defects occur. Reduce variation systematically. Conclusion on SPC: You cannot apply effective SPC to an inherently unstable, high-speed process. Stability is the prerequisite for SPC. 6. Strategic Recommendation for New Entrants Phase 1: Launch (Months 1-12) Strategy: Prioritize Stability. Action: Select a medium-capacity extruder (e.g., 65mm-80mm twin-screw) from a reputable manufacturer known for precision, not just speed. Goal: Achieve a scrap rate of <3% and master the formulation. Build a reputation for quality. Rationale: The cost of scrap and rework on a high-speed line will outweigh the benefits of higher volume. Learning the nuances of SPC flooring (expansion coefficients, locking strength) takes time. Phase 2: Optimization (Months 12-24) Strategy: Optimize Efficiency. Action: Once the team is skilled and the process is stable (Cpk > 1.33), gradually increase line speed or add a second identical stable line. Goal: Increase volume without sacrificing the quality standards established in Phase 1. Phase 3: Expansion (Year 2+) Strategy: Scale Capacity. Action: Invest in high-capacity lines only when you have long-term contracts that justify the risk and you have a seasoned technical team to manage them. 7. Final Conclusion For a beginner in the SPC flooring sector, choosing an extruder based solely on maximum capacity is a high-risk strategy that often leads to failure. The complexity of SPC formulations demands equipment that offers superior thermal stability, precise screw design, and consistent output. Verdict: Choose Performance Quality and Stability. A stable machine producing 400 kg/hr with 98% yield is far more profitable and sustainable than an unstable machine producing 600 kg/hr with 85% yield. Stability enables the successful implementation of quality management systems (like SPC), reduces waste, and protects the brand's reputation during the critical startup phase. 8. Frequently Asked Questions (FAQ) Q1: What screw size is recommended for a beginner starting an SPC flooring project? For new entrants, a medium-sized conical twin-screw extruder (e.g., 65mm or 80mm) is generally recommended. It provides an optimal balance between manageable output capacity, temperature control, and process stability during the learning curve. Q2: Why is thermal control so critical in SPC flooring extrusion? SPC formulations contain high proportions of calcium carbonate blended with PVC. PVC is highly sensitive to heat and will quickly degrade or discolor if temperature spikes occur. Precise PID temperature control (within ±1°C) prevents formula degradation and dimensional defects. Q3: How does machine stability impact the scrap rate in SPC manufacturing? Unstable extruders cause output fluctuations, leading to uneven thickness, warping, or poorly formed click-lock profiles. Because high-capacity lines process materials rapidly, any instability results in a large volume of non-compliant scrap before operators can adjust the settings. Q4: Can I upgrade capacity later without replacing the whole extrusion line? Yes. By starting with a stable mid-range line, you build technical expertise and establish quality benchmarks. Once demand grows, you can either add parallel stable extrusion lines or upgrade to high-speed equipment managed by your trained personnel.

Against the backdrop of the ongoing global "PVC ban," the building decoration industry is undergoing a materials revolution. SKY WIN leveraging over two decades of technological accumulation in the field of polymer composite material extrusion, has successfully propelled its RPET (Recycled PET) flooring production line to a mature mass production stage, truly transforming waste plastic bottles into high-performance flooring materials. The core of RPET flooring lies in "turning waste into treasure." Using recycled PET bottle flakes and stone powder as main raw materials, a high-rigidity board with a density of 1.8 g/cm³ is produced through a precise extrusion molding process. This density closely resembles the stable texture of natural stone, making it particularly suitable for high-traffic commercial spaces such as hotels and shopping malls. Another PETG formulation has a density of only 1.55 g/cm³, closer to the warm touch of WPC, making it suitable for home decoration. SKY WIN employs mature five-roll calendering technology on its RPET production line. This core process, which helped the company win the second prize of the National Science and Technology Progress Award, ensures that the boards are heated evenly and have a dense structure during production. After rigorous mixing, high-temperature extrusion, five-roll calendering, and cooling and shaping processes, the final board surface is smooth and flat, with a stable and reliable internal structure. Notably, RPET flooring exhibits outstanding waterproof performance. After a 48-hour water immersion test, ordinary SPC flooring warped significantly, while RPET flooring deformed minimally, allowing it to be directly laid on damp concrete surfaces, saving contractors the step and cost of a waterproof barrier. Currently, the Vietnam base has six RPET extrusion production lines provided by SKY WIN in operation, with a monthly capacity of 300 containers (approximately 8 million square feet), and is continuously expanding. This signifies that RPET flooring has moved from concept to large-scale mass production and has truly entered the global market. From recycled plastic bottles to high-quality flooring boards, from the core technology of five-roll calendering to the design revolution of digital printing and EIR synchronous embossing, SKY WIN, with over two decades of accumulated R&D experience in extrusion equipment, has made each production line a solid foundation for the implementation of green building materials. In the future, as more production lines are set up and operational around the world, this technology, which originated in the laboratory, will eventually enter every household and become a real force driving the sustainable development of the building materials industry.