... 38CrMoALA wear resistant, corrosion resistant, high strength pvc wire coated machineplastic sheathed machinemetal corrugated pvc packed machineApplication : This kind of extruder ... of polymer products, can produce from HDPE, PP, ABS, PVC, PET, PC, PS and other plastics material to pipes, ... high-performance, low noise and long service life3) For the material feeding section of barrel there’re slotted ...