... Diameter: 15mm-300mm Material: 38CrMoAlA; SKD61; SKD11.etc. screw barrel for plastic injection moulding machine We ,Lucheng screw Machinery Factory, is ... type, etc.," is widely used in all kinds of rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, ... Injection Screw barrel is the major and most important part for plastic injection molding machines. It provides the plasticization of plastic ...