... rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, PEC, ... PF, VF, MP, PMMA, PET, PBT, PPS, MPPO, PI, LCP, etc.. Lucheng screw with the advantages ... spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth of Nitrated Layer: 0.5-0.8mmHardness of ... Pictures of Screw Barrel : PE PP PVC ABS PS plastic injection molding machine screw and barrel