Conical Twin Screw and Barrel/Cylinder for PVC/WPC extrusion. Size: 45/90, 51/105, 65/132 ... hardness:HV≥900Nitriding depth:0.5-0.8mmscope of application: PVC+WOOD; PE+WOOD; Super high molecular sheet, 1/ ... calcium pipe, 50-300 high calcium profile, soft PVC sheet, XPS-PVC etc; PP.PE.ABS.PVC.pelletzing, pipe, profile, sheet, etc. ... and AMUT model spares. extruder screw barrel&cylinder for PVC/WPC/PP/PE