Film blowing machine 1.HDPE, LDPE, LLDPE, EVA plastic film. 2.good performace,high output. 3.min.film thickness0.005mm film blowing machine1. ... ~290,nitrogen treatment on the surface.Cast aluminum heaters02Die mouldDie head:Φ150X1.8mm, 45#steel, thermal refining HB240-260, hard ... resistor COOLING DEVICE Model SF-cast aluminum air-ring Type Twin air –inlets Power (k w) 30 (frequency conversion control) ...