Name:well performance screw and barrel for injection molding machine Brand name: Titan Material: 38CrMoALA;40CrMo;42CrMo screw barrel for injection molding machine has many characteristics: nitriding treatment, ... of Cr coating layer :0.03-0.08mmUsed for granulation ,PP,PE,PA,PC,ABS,AS etcAbout our company:Titan is a ... you all the time! well performance screw and barrel for injection molding machine