... machine uses LDPE, LLDPE granule material to produce air bubble film, which widely used as post parcel packing, precise instruments packing ... :This machine is composed of extruder, air bubble forming device, perforation device, edge trimmed film collecting device, cutting device, winding device, cabinet ... :1Power supply380/3/4/50(Volt/Ph/Line/Hz) The Compound Polyethylene Bubble Film Making Machine