01-17-2023, 07:09 AM
Aluminum foil (aluminum foil) is a rolled aluminum product with a thickness of less than 0.20 mm and a rectangular and uniform cross-section. Including capacitor aluminum foil, hydrophilic aluminum foil, composite aluminum foil, etc. Because of its excellent characteristics, it is widely used in food, beverages, cigarettes, medicines, photographic substrates, household daily necessities, etc., and is usually used as its packaging materials; electrolytic capacitor materials; heat insulation materials for buildings, vehicles, ships, houses, etc.; can also be used as Decorative gold and silver threads, wallpapers, various stationery prints and decorative trademarks of light industrial products, etc. Among the various uses mentioned above, the one that can make the most effective use of the performance of aluminum foil is as a packaging material. Aluminum foil is a soft metal film, which not only has the advantages of moisture-proof, air-tight, light-shielding, abrasion-resistant, fragrant, non-toxic and tasteless, but also because of its elegant silver-white luster, it is easy to process beautiful patterns and patterns of various colors. pattern, so it is more likely to be favored by people. Especially after aluminum foil is compounded with plastic and paper, the shielding property of aluminum foil is integrated with the strength of paper and the heat sealing property of plastic, which further improves the shielding performance against water vapor, air, ultraviolet rays and bacteria, etc. necessary for packaging materials. , greatly broadened the application market of aluminum foil. Since the packaged items are fully isolated from the light, moisture, and gas of the outside world, the packaged items are well protected. Especially for the packaging of cooked food, the use of this composite aluminum foil material can at least ensure that the food will not deteriorate for more than one year. Moreover, it is very convenient to heat and unpack, and is very popular among consumers.