A WPC extruProductsder screw barrel must process a challenging mixture of plastic resin, wood powder and additives. High filler content can increase wear and make stable plasticizing more difficult.
For PVC, PE or PP wood plastic composites, the screw design should match the formulation, wood powder percentage, L/D ratio, RPM and required output. Conical twin screw and parallel twin screw extruders are commonly used for WPC profiles, decking, panels and other products.
Because wood powder and mineral fillers are abrasive, screw and barrel wear can gradually cause lower output, unstable melt pressure and poor mixing. Selecting a wear-resistant screw barrel can help extend service life and maintain production efficiency.
We manufacture customized WPC screw barrels according to machine specifications and processing conditions. Bimetallic and other wear-resistant solutions are available for demanding applications.
Looking for a replacement WPC extruder screw barrel? Send us your machine model, screw dimensions, material formulation, required output and drawing for evaluation and quotation.
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