... ,hign efficiency 4.time and money saving Automatically film blown machine Features:1, screw extruder, spiral tube-based company2, by ... diameter 45 mm65 mm75 mm80 mmscrew ratio L/D 30:1L/D 30:1L/D 30:1L/D 30:1screw speed 10-130 r/min10 ... m9*4.2*7.8 mMore details “FUDA" FDSJ-D series of plastic film blow molding unit, by the extruder ... , but also produces HDPE, LLDPE film. Automatically film blown machine