... life/wearproof For good plasticizing effect, we have different design of screw barrel to meet customer's demand: gradual type, mutant ... ,PE,HIPS, PS, ABS, PMMA, PC, PA and all types of engineering plastics. It is especially suitable for processing the recalmed material ... so as reduce the cost of product greatly. OSD Single Screw And Barrel Diameter: Φ 15-Φ ...