the rotary die head film blowing machine can blow the material of HDPE ,LDPE ,LLDPE and some ... corrosion resistance after nitrogen treatment and prcision finishing .The auxiliary machine has a platform working table for makng operation easy and ... head:Φ120-220mm Gross power:42kW Weight of machine:3,800kg Overall dimension(LxWxH):6,800x2,700x5,500mm Rotary Die Film Blowing ...