... PP, PE, PVC.. Certificate: CE, SGS, ISO Automatic Hollow Extruding Blowing Machine I. Main technical dataApplied material: HDPE, PP, ... 24/1Extruding volume”100-120kg/hourMaterial: 38CrMoALA treated with NScrew rigidity: HV700-840,Screw brittleness: <=2 degreeBarrel ... material: 38CrMoALA treated with NBarrel rigidity : HV>=940Barrel brittleness: <=2 degreeDriving way: invert motor and hard-teeth face ...