... , and other civil and industrial packing. SJ-A50,55,60,65 High Speed Blowing Film MachineUse characteristicsThe unit extruder, barrel, screw ... screw high yield, good plastics. Applicable to the blowing high and low -density polyethylene (HDPE,LDPE) , ... )55kg/hr70kg/hr85kg/hr110kg/hrEXTRUDERScrew Diameter(mm)Φ45Φ50Φ55Φ65Screw L/D Ratio28:128:128:128:1Screw ... .8*6.5m HDPE High speed Film Blowing Machine