... Film Blowing Machine is used HDEP,LDPEt as material to blow film. 2.Rotary die, mechanic screen 3.Automatic rewinder Features:Its extruder, ... It is applied to blowing the plastic films like low density polytene (LDPE), high density polytene(HDPE) and linear low density ... mandrel type, out of the molten material uniform, blowing film has fine finishing3, Controlled coiling unit adopts pressure friction ...