... screw and barrel for plastic extrusion machinerykey words: plastic extruder screw and barrel, plastic extrusion machinery screw, screw barrel ... plastic screw barrel, screw barrel for plastic extruder, screw and barrel for plastic extrusion machine, screw barrel for plastic extrusion machinery, ... 03-0.08mmDepth of alloy layer:2mmUsed for granulation,PP, PE, PA, PC, ABS,AS etcWe can manufacture various ...