... gas tightness,moisture proofing,burning resistance,aroma preserving,UV permeability These advantages can help film protecting contents ... , the change can reduce plenty cost for user.6,Suitable for automatic machineThe co-extruded film contain high strength ... method, enhance the strength of heatsealability.V,Suitable for automatic machineLDPE\BOPET\LDPE co-extruded film use LDPE material ...