The popular basis of food packaging is the acceleration of people's lives. Food packaging is convenient and fast, convenient to store, and has a long shelf life, which can quickly supplement people's physical strength and calories. Most food packaging is made of aluminum foil, because aluminum foil material has the advantages of moisture resistance, air tightness, shading, abrasion resistance, fragrance preservation, non-toxic and tasteless, etc. It is a common material for food packaging.
People have brought gifts when visiting relatives and friends throughout the ages. This is a traditional etiquette in the Middle Ages. When visiting relatives and friends far away, they often bring some special products or their own masterpieces in their hometowns that are wrapped in aluminum foil. The special dry snacks are more sincere and intimate, so the so-called courtesy is light, and the important thing is the heart. However, some food is cooked and eaten, and it will easily deteriorate on the way of carrying, so there are many things that are very delicious but hard to take away, afraid of being exposed to the air while on the road, causing microorganisms in the food Mildew and spoilage may also be due to the loss of the original taste of the food due to excessive time. With the development of science and technology, these problems have been solved, if necessary, it is very good to avoid food deterioration on the way, and it will not damage the flavor of the food. Food aluminum foil packaging can prevent air from entering, resist external pressure, and keep food fresh.
Food packaging aluminum foil has metallic luster, good light shielding, high reflectivity to heat and light, metallic luster and reflective capacity can improve the brightness of printed colors; good isolation, strong protection, air-impermeable body and water vapor, prevent interior The material absorbs moisture and vaporizes, and is not easily affected by bacteria and insects; it has good shape stability and is not affected by changes in humidity. It is easy to process, and can print, color difference, emboss, surface coating, gluing and painting on aluminum foil bags; composite aluminum foil also has the advantages of isolation.