1.9 layers coextruded high barrier film 2.symmetry or asymmetry structure 3.packing meat,sausage,seafood,cheese,nuts,fruit ect 1.Material:PA,EVOH,PP,PE, 2.Features:(1)With EVOH, PA material as barrier layer(2)Excellent barrier properties of oxygen and water(3)Excellent resistance to low and high temperature performance(4)Good stretch formability and seal strength(5)High puncture and tear ...