برميل برغي مزدوج متوازي لطارد بلاستيك بولي كلوريد الفينيل

parallel twin screw barrel for pe pp pvc plastic extruder Screw Diameter : D 50. D65. D80,.D90.D105. D125. D130. D150. D180. D200 Ratio of length to diameter: L/D=18 ~ 30 Application : WPC,sheet,pallets,pinch,pipe,profiles,soft pvc,pvc foam sheet,etc Plastic processed : PE PP ABS PVC etc Technical Parameter Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 1000-1100HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC68-72 ...