... PVC/WPC extrusion. Size: 45/90, 51/105, 65/132, 80/156, 92/188 Base Raw Material for screw :38CrMoAlA, A ... 900Nitriding depth:0.5-0.8mmscope of application: PVC+WOOD; PE+WOOD; Super high molecular sheet, 1/2 high calcium ... high calcium profile, soft PVC sheet, XPS-PVC etc; PP.PE.ABS.PVC.pelletzing, pipe, profile, sheet, etc. Raw MaterialThe ... spares. extruder screw barrel&cylinder for PVC/WPC/PP/PE