... processing of 50-60% fiberglass, Bakelite, dynamoelectric injection machine, magnetic particle ,ceramic powder, aluminum and magnesium powder, ... screw is the standard value of 1.5-3.5mm.It is mainly used in the processing ... not only improving the grade of the entire injection molding machine, but also providing customers the high quality products. ... .03 mm~0.08mm Alloy injection molding machine screw