... Water soluble 4) Excellent tenacity Layers co-extruded high barrier film, nylon, EVOH and PE using a multilayer co-extrusion ... tear resistant elf- adhesive, non-toxic, water proof, oxygen resistant, light resistantFunctionProduct protectionSpecific weight0.915-0.980g/cm3ColorTransparentPackaging ... for long shelf life,lid film,paste tube) Medical 4,PA/EVOH/PE: High barrier Food packing(butter,cheese,etc ...