Nitrided extrusion plastic PVC profile screw barrel 

Product Description Nitrided extrusion plastic pp-profile screw barrel 1) Specification Screw diameter: Ø15-Ø360 L/D=15-45 Screw structure and compression ratio can be designed according to different products and raw material. Screw type: common type, gradual type,sudden type,barrier type,pinned type,exhaustive type,separate type,granulation type,wave type   2) Screw Material 38CrMoAlA, SKD11,SKD61,42CrMo,40Cr,9Cr18MoV   3) Material Application ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 4) Heat treatment Bimetallic, Nitriding, Hard-chrome platin…