... film blowing machine has two die heads., increasing production capacity, saving energy, labour and workshop area, etc. Characteristics:T his machine ... set is used for blowing Low-density polyethylene (LDPE) and high- density polyethyene (HDPE) plastic film ... and corrosion resistance.,Scientifically designed, this machine set has two heads for one extruder ... 3400mm Double-head Film Blowing Machine