... 40%-45% The PVDC/PE shrink bag which the barrier layer is PVDC resin . It is a multilayer ... :straight line end sealed)2. Advantages:1) High oxygen barrier, slow germs breed, protect inside fresh meat to ... be oxidized to go bad.2) High moisture barrier, keep fresh meat water inside, reduce the fresh ... it have a nice appearance. 4) High odor barrier, maintain the original flavor5) Irradiated film,it has ...