... of the composite layer, the film have good heatsealability.3,Good gas tightness,moisture proofing,burning resistance,aroma preserving,UV ... coefficient and good flatness, so in high-speed automatic machine, the film can through smoothly. ( function(){ var aBigImageSrc = [ 'http://i01.i.aliimg. ... init( { 'aImgSrc': aBigImageSrc } ); } )(); LDPE\BOPET\LDPE co-extruded film for automatic packing machine