PVC Shrink Film Extruder Double Alloy Barrel Screw

Application: Used for each brand  PVC shrink film extruder Place of Origin: Zhoushan,Zhejiang,China Brand Name: JED Material: 38CrMoAlA Process: nitriding & bimetallic Nitrided Hardness: HV960-HV1100 Nitrided Case Depth: 0.45mm-0.8mm Nitrided Brittleness: Less than Grade 2 Surface Roughness: Ra 0.4 Screw Straightness: R0.015mm Length diameter ratio: 1: (15-45) Bimetallic alloy layer:2mm-2.5mm Product advantages: wear resistance, corrosion resistance, excellent plasticization, extrusion stability