... used for blowing the plastic film of low density polyethylene(LDPE), high density polythylene(HDPE),LLDPE Usage:1.The machine adopts two ... or different raw materials.It is used for blowing the plastic laminated film of low density polyethylene(LDPE), high density polythylene ... food ,insulation film and laminating etc.Specification: Model No. 3SJ-503SJ-553SJ-60Screw Diameter55×2, 60×160×2, 65×165×2 , ...