... plastic film as high density polyethylene(HDPE),low density polyethylene(LDPE) and LLDPE Characteristics:1, The die head can be rotated ... high quality alloy steel after fine finishing and nitrided treatment,which has high hardness,strong resistance to corrosion,durable service.3, The die head ... Rational Speed of Screw Stem 10-110rpm Specification of Die Head 100-200 Thickness of Products 0.015-0.15mm ...