Film blowing machine 1.HDPE, LDPE, LLDPE, EVA plastic film. 2.good performace, ... with the charging part.Screw: 38CrMoALA,thermal refining;HB260~290,nitrogen treatment on the surface.Cylinder: 38CrMoALA, thermal refining;HB260~290 ... ,nitrogen treatment on the surface.Cast aluminum heaters02Die mouldDie head:Φ150X1. ...