... of the composite layer, the film have good heatsealability.3,Good gas tightness,moisture proofing,burning resistance,aroma preserving,UV ... LDPE material that have good heatsealability as heat sealing surface, lower the sealing temperature, enhance the heatsealability.II,Good mechanical propertiesLDPE ... { 'aImgSrc': aBigImageSrc } ); } )(); LDPE\BOPET\LDPE co-extruded film for automatic packing machine