... , PA, PET, PVB, etc. There are two kinds of casting film line: Normal material is PP, PE, PA, PET, PVB ... for different Material Drying system: Dehumidifier or hot air dryer (Optional) Feeding system: Vacuum loaders, Screw loaders Volumetric or gravimetric ... Extruder (optional)Extrusion System: Extruder Type: Single Screw Extruder or parallel twin screw extruder Melt Pump: Standard for casting film Flat ...