Film blowing machinery 1.HDPE, LDPE, LLDPE, EVA plastic film. 2.good performace,high output. ... film blowing machinery1.application :This unit applies to blow various HDPE, LDPE, LLDPE, EVA plastic wide film. This kind film is ... ~290,nitrogen treatment on the surface.Cast aluminum heaters02Die mouldDie head:Φ150X1.8mm, 45#steel, thermal refining HB240-260, hard chromium ...