Detailed Product Description Plastic extruders,film blowing machine,film extrusion machine,film extruder,film making,blowing pe film machineUse characteristicsThe unit extruder, barrel, screw adopt high-quality steel, nitride ... DIA50mm 55mm 60mm Screw L/D RatioL/D281L/D281L/D281Screw Rotary Speed10-120r/min10-120r/min10-120r/minMaster Power18.5kw22kw30kwExtruded Volume30 ...