... extruder,PE Film Blowing machine,film extrusion machine,film extruder,film making machine with Printing Line Set Plastic extruder,PE Film Blowing machine,film extrusion machine,film extruder,film making machine with Printing Line Set machine optional ... -45-YT-2600 SJ-50-YT-2800 SJ-55-YT-2100 Suitable Material HDPE/LDPE HDPE/LDPE ... HDPE/LDPE Screw Diameter Φ45 Φ50 Φ55 Screw L/D Ratio 30:1 30:1 30 ...