Aluminum foil has excellent characteristics, widely used in food, beverage, cigarette, medicine, photographic plate, household daily necessities, etc., usually used as its packaging material; Electrolytic capacitor material; Insulation materials for buildings, vehicles, ships, houses, etc.; Can also be used as decorative gold and silver thread, wallpaper and all kinds of stationery printed matter and light industrial products decoration trademarks. Among the above applications, the most effective use of aluminum foil performance is as a packaging material. Aluminum foil is a soft metal film, not only has the advantages of moisture-proof, air-tight, shading, abrasion resistance, fragrance, non-toxic and tasteless, but also because of its elegant silver-white luster, easy to process a variety of beautiful patterns and patterns of color, so it is more likely to be favored by people. In particular, aluminum foil and plastic and paper composite, the shielding of aluminum foil and the strength of paper, plastic thermal sealing integration, further improve as a packaging material necessary for water vapor, air, ultraviolet and bacteria shielding performance, greatly expand the application of aluminum foil market. Because the packaged goods and the outside light, moisture, gas and other fully isolated, so that the packaging is well protected. Especially for cooking food packaging, the use of this composite aluminum foil material, at least can ensure that food does not deteriorate for more than a year. Moreover, it is very convenient to heat and open the package, which is very popular with consumers.
