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Description:SJ-B Film Blowing Machine This line can produce ground,shack and package film of LDPE,HDPE,LLDPE,Extruder barrel and screw are madeof high quality alloy steel,nitrided and manufactured by precision machining.They are provided with very hard surface to resist corrosion and adrasion.Temperature is regulated automatically,reliably and accurately.It is adopted with surface friction double station winding device.Aut omatic measuring length,simple in operation. Main Teachnical Variables: Model B75 B90 Diameter of screw 75 90 Reduced diameter of film (mm) 700-1500 1200-2000 Single-face Thickness of felm (mm) 0.008-0.10 0.008-0.10 Max.output (kg/h) 80 120 L/D 28:1 28:1 Power of main motor (kw) 30-37 45-50 Power of Traction motor (kw) 1.5 1.5 Heating Power (kw) 27 34 Outline diameter (L×W×H)(mm) 7000×2500×6000 7100×3500×7800 Weight ( T) 3.5 4.5