1,PA EVOH barrier film 2,pa film extruder 3,pa stretch ... brief introduction This machine mainly use to produce five layers or seven layers high obstruct film, specially ... two set water pump, can be controled separately. 2. mainly parameter TypeFD-BM1200-5XFD-BM1200-7XNumber of layer57Max ... , obstruct film, barrier film,barrier deep stretch film, five layers coexctrusion film, PA film, PA blowing machine, ...