... screw extruder 1.Suitable plastic material: PP,PE,,AS,PS etc. 2.Material: SACM-645, SCM440, 38CrMoALA 3.high qualtity twin screw extruderSize:screw ... diameter ø15-ø300mmMaximum screw length :10000mm 1.Hardness of adjuster:HB260-2902 ... ≥900HV8.Depth of double alloys:0.8-2.0mm Used for granulation ,PP,PE,PA,PC,ABS,AS etcWe ...