1.9 layers coextruded high barrier film 2.symmetry or asymmetry structure 3.packing meat,sausage,seafood, ... ,PE, 2.Features:(1)With EVOH, PA material as barrier layer(2)Excellent barrier properties of oxygen and water(3)Excellent ... requirement(8)Working width 2200mm for the production of barrier film(9)Thickness:30μm---250μm