... twin screw extruder 1.excellent plasticization 2.stable working 3.process PVC,PE,PP plastic Twin Screw ExtruderSJSZ series conical twin-screw ... not easy decomposition,Plasticizing mixed refine uniformity, high output, good quality and adapt to the range, the advantages ... , hollow, single section profiles plastic products.The main technique parameters:Model/SpecificationSJZ-45SJZ-55SJZ-65SJZ-80SJZ- ...