Product name: Rotary Machine Head Film Blowing Machine(double winder) Use : It is used for blowing the various film of low density polyethylene(LDPE),high density polyethylene(HDPE)and linear low density polyethylene(LLDPE)etc, Wich are widely used for packing liquid,industrial products,garments and textile,Etc.And printing lamination. Main Technical Variables Model SJ-55 Screw Diameter 55mm Screw Ratio L/D28:1 Screw speed 10-100r/min Main Output 35-50kg/h Power of Main Motor 11-15kw Specification of Die Head 100-170mm Rotational Mode of Machine Head Rotating Single-side Thickness of Film 0.01-0.10mm Max. Folding Width of Film 800mm Total Power 26kw Weight of Machine 2300kg Overall Dimension(L*W*H) 5500*2000*3800