... for blowing three layers film of HD/LD/LLDPE film blowing machineThree-layer Coextrusion Rotary Die Film Blowing Machine SetFunction: ... and 0.08mm thickness packaging films. These films have good insulation, for instance holding temperature, anti-humid, anti-breeze, ... device, vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device, etc.Main Technical Parameters ...