The inspection items of aluminum foil bag are mainly divided into the following categories:1. The appearance shall be free from defects such as bubbles, perforations, water marks, broken tendons, poor plasticization, fish eye stiffness and so on.
Customized aluminum foil bags is also called pure aluminum bag. Common materials: PET / Al / PE, PET / NY / Al / PE, PET / NY / Al / CPP, thickness: 70 ~ 180 microns, bag shape: three side seal, self-supporting zipper bag, yin and Yang bag.
Vacuum packaging is believed to be familiar to everyone. It is used in electronics, chemical industry, food, catering and other industries, but careful customers find that the materials of vacuum packaging bags are different.
Composite aluminum foil material (AL) is called self-supporting aluminum foil bag, and composite aluminum foil material is called self-supporting ziplock aluminum foil bag, which is different according to different materials.
Composite custom printed mylar bags are used for food packaging, generally used for packaging meat products, dried fish, aquatic products, cured meat, roast duck, roast chicken, roast pig, quick-frozen food, ham, cured meat products, sausage