... Blowing Film MachineUse characteristicsThe unit extruder, barrel, screw adopt high-quality steel, nitride tight handling and precision machining, with the best ... and corrosion resistance, a specially designed screw high yield, good plastics. Applicable to the blowing high and low -density polyethylene (HDPE,LDPE ... *2.5*5.5m5.8*2.8*6.5m HDPE High speed Film Blowing Machine