... screw extruder 4, Plastic extruder Plastic single screw extruder: The SJ series single screw extruder with specifically screws ,model and other ... system and vacuum venting and quantitative feeding .1.excellent plasticization 2.stable performace 3.extruding PET,PE,PP pipes, sheets, ... 2500-10005SJ-30/253025:117-1024500-100010SJ-45/254525:18.6-867.5500-100030SJ-45/284528:112-12011500-100040SJ-65/25A6525: ...