Aluminum foil bag is a kind of aluminum-plastic composite bag, which is widely used in various fields of people’s life. For example: anti-static, moisture-proof, light-proof and vacuum packaging for shipping containers, large precision machinery, medical electronics, chemicals, industrial electronics, optics, optoelectronics, communications, daily electronics, food, etc.Commonly used aluminum foil packaging bags are divided into three layers and four layers. This four-layer structure has good barrier properties and can play a very good role in terms of water and oxygen permeability. Easy-to-clean foil bags are available in custom sizes and styles. It can be made into flat bags, three-dimensional bags, organ bags, ziplock bags, self-adhesive bags, square bags and other styles.Aluminum foil bags have strong air barrier properties, oxidation resistance, water resistance and moisture resistance. Strong mechanical properties, high blast resistance, puncture resistance and tear resistance. High temperature resistant aluminum foil bag(121℃), low temperature resistance(-50℃), oil resistance, fragrance resistance. Aluminum foil bag has good heat sealing performance, flexibility and high barrier performance. The aluminum foil bag is non-toxic and tasteless, and meets the hygienic standards for food and drug packaging.