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Four classifications of commonly used aluminum foils

Mar 08, 2024

1. Soft packaging aluminum foil
Flexible packaging is a bag container made of soft composite packaging materials. The emergence of flexible packaging has greatly improved the mechanization and automation level of the food and beverage industry, and accelerated the modernization and socialization process of people's dietary life. In developed countries, flexible packaging has become one of the main packaging forms for food and beverages, replacing cans and bottles to a certain extent. In recent years, my country's flexible packaging market has also developed rapidly. So far, 10 aluminum foil lamination production lines have been introduced, which can adopt different processes such as dry lamination, hot melt lamination, and extrusion lamination according to the different uses of flexible packaging. Flexible packaging not only has the functions of moisture-proof and fresh-keeping, but also can be printed with various patterns and text, making it an ideal material for modern commercial packaging. With the improvement of people's living standards, flexible packaging aluminum foil still has a lot of room for development.

Four classifications of commonly used aluminum foils

2. Medicine foil
Medical packaging aluminum foil mainly includes easy-open bottle caps for liquids and injections and medicinal PTP aluminum foil. Because PTP aluminum foil has the advantages of moisture-proof, easy to carry, safety and hygiene, it is widely used in the international pharmaceutical industry. Our country has been using aluminum foil to package medicines since 1985. So far, aluminum foil only accounts for 20% of pharmaceutical packaging materials. In recent years, the pharmaceutical foil market has developed rapidly. On the one hand, the pharmaceutical market has developed rapidly, but mainly because 20% of aluminum foil is used in pharmaceutical packaging. The proportion of applications in is constantly increasing.
3. Composite foil for automobiles
With the vigorous development of my country's automobile industry and the continuous improvement of automobile aluminization rate, the market demand for automobile foils has increased rapidly. There are two types of automobile foils. One is composite foil for automobile air conditioners. China's automobile air conditioners have been fully Aluminization, the annual demand for aluminum foil reaches 15,000 tons; the other is composite foil for automobile radiators, which is used to manufacture automobile water tank radiators, automobile condensers and evaporators. At present, the aluminization rate of automobile water tanks reaches 40%, and the annual demand The volume is about 3,000 tons.

Four classifications of commonly used aluminum foils

4. Aluminum foil for electrolytic capacitors
The aluminum foil used in electrolytic capacitors is a corrosive material that works under polar conditions and has high requirements on the organizational structure of the aluminum foil. The aluminum foil used is divided into three types: cathode foil, with a thickness of 0.015mm ~ 0.06mm; high voltage foil, with a thickness of The thickness is 0.065mm~0.1mm, and the aluminum foil is required to be produced from high-purity aluminum; the thickness of low-pressure foil is 0.06mm~0.1mm.
There are few domestic manufacturers of electrolytic capacitor aluminum foil, mainly because the market demand is not large, and the production technology is far behind that of advanced countries. However, aluminum electrolytic capacitors have good performance, low price and wide range of uses, so the market prospects are very good. Japan's current annual demand is 45,000 tons, which is six times that of the Chinese market. With the development of the electronics industry and China becoming a major industrial production base, the market demand for electrolytic capacitor aluminum foil has broad prospects.