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Development And Types Of Aluminum For Food Packaging
- Nov 19, 2018 -

Aluminum for packaging is one of the uses of aluminum foil. The development of packaging industry is an important symbol of cultural development and scientific and technological progress. Since the 1950s, the rise of composite materials has triggered a revolution in packaging field, which has a certain impact on the application of aluminum foil for packaging. Aluminum foil has a series of good properties, and its application is very wide. Among them, the demand for aluminum for packaging is the largest.

China's food industry is in an important period of vigorous development. The appearance of aluminium for food packaging has greatly improved the level of food processing and accelerated the modernization of people's dietary life. In developed countries, soft packaging is the main food and beverage, while the development of China's flexible packaging is lagging behind. There are two main applications of aluminium foil in video packaging: one is aluminium-plastic or aluminium-paper composite packaging; the other is multi-layer composite packaging of aluminium-plastic paper. The demand for aluminum foil for food in China is about 30 thousand tons / year. From the perspective of market development trend, fresh agricultural products and natural food will become an important development market of aluminum for packaging in China.

There are some special requirements for aluminium foil used in food packaging. The packaging can be re-sealed after opening, and it should have the characteristics of heating, fresh-keeping, anti-corrosion and moisture-proof. To meet these requirements, aluminum foil is the first choice for food packaging materials. In addition, according to foreign statistics, about 70% of the packaging products can be recovered. The raw materials of aluminum foil for food packaging are mainly products of series 1, 3 and 8, mainly including models 106, 1100, 3003, 8011, 8021, etc. The degree of hardness and softness of the alloy, i. e. alloy state, is selected according to the requirements of the packaged food. The commonly used states are H14, H16 and H18.

Among them, the packaging aluminium produced by Andritz plate roll and Honeywell thickness gauge ensures the precise control of the export thickness while achieving good plate shape. First-class equipment and top instruments ensure the printing effect and mechanical properties of food packaging foil, and improve the product's insulating performance and temperature resistance.