In food packaging, there is a packaging bag that can be heated at high temperature, that is, a food aluminum foil bag. The purity of aluminum foil is99.5%Above, do you know some of its characteristics about food aluminum foil bags?The aluminum foil bag manufacturer said that compared with other packaging bags, the food aluminum foil bag has the following characteristics:1, light weight, help to reduce transportation costs;2, No thermal adhesion, not resistant to acid and alkali, easy to curl;3, The shape is stable at high temperature and low temperature, and it is not easy to stretch and deform.4, Good barrier property, so it is not easy to be corroded, moisture-proof and waterproof, and strong air-tightness.5, With metallic luster, good shading performance, relatively strong reflection ability to light, the reflectivity can reach95%above.61. The mechanical properties are good, which can meet the requirements of automatic packaging machinery, but its softness is not enough, the tear strength is low, and it is easy to break at the fold, but it is easy to process and can be combined with other plastic films.