Film blowing machine 1.HDPE, LDPE, LLDPE, EVA plastic film. 2 ... device, vertical cutting device, and film spreading roller. (d)high output, professional performance and reasonable design.3. ... the channel surface.Airing:φ800.Cooling fan power:1.5KW03rise-and-falltraction devicetraction roll:φ160X800mm.traction height ... min . EXTRUDER: Model SJ-165/30×2 L/D 30:1 Type Wave-like Max. output (kg/h) 600 ...