Use: this machine is suitable for blowing and making various plastic film such as LDPE, HDPE and linear LDPE film, which have been widely used for packing such civilian industrial products as food, fruit, clothes, textile and vest bag. Performance and characteristics: 1) All the cylinder screws of the extruder are made of high-quality alloy steel through nitration and precise processing with the highest hardness and corrosion resistance 2) Attached with the plug-in board mechanism, it can make vest bags and be adjusted freely according to technological requirements of various materials Main technical variables: 1) Model of machine: SJHL-50 2) Diameter of screw: 50mm 3) Draw ration of screw: 28:1 4) Rotational speed of screw: 10 ~ 100r/min 5) Power of main machine: 15kW 6) Max. extrusion rate: 50kg/h 7) Max. folding diameter of film: 800mm 8) Single-side thickness of film: 0.005 ~ 0.10mm 9) Lifting range of auxiliary machine: 700mm 10) Total power: 24kW 11) Weight of machine: 2,600kg 12) Overall dimensions: 4,600 x 2,300 x 2,800mm