... kinds of rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, ... steelTechnology: nitriding treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth ... is the major and most important part for plastic injection molding machines. It provides the plasticization of plastic ... : Nitrided 38CrMoAlA screw and barrel for injection molding machine