JinJing Brand Conical Screw and Barrel Specification Standards of conical twin screw and barrel: Φ45/100-Φ92/188 The compression ratio of screws can be designed according to different products and ingredients. Scope of application: WPC PVC ,WPC PE ,Super high molecular sheet ,1/2 high calcium buckle, 50-400 high Calcium pipe ,50-300 high Calcium Profile , Soft PVC sheet , XPS-PVC ,PP ,PE, ABS, PVC, Raw material , pelletzing ,Pipe, Profile, Sheet etc Technical Data Base Material 1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140) Bimetallic Alloy Materials 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide Double-alloy level Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5% Surface Treatment Heat Treatment High Fre…