... 1) Plastic type:PVC,PE,PP,ABS,PS,PET 2) Single screw 3) Easy maintenance 4) Warranty: 2 years SJ series single screw stem ... extruder Description: SJ series single screw stem extruder is mainly composed of ... PS, PET pipes, plates, sheets, film, profiles, granulates and other plastic products. Parameter:ModelScrew diameter(mm)(L/D)Main motor power ...