A hot stamping material made of metal aluminum directly rolled into thin sheets, the hot stamping effect is similar to that of pure silver foil, so it is also called false silver foil.
Due to the soft texture of aluminum, good ductility, with a silver-white luster, if the rolled sheet, with sodium silicate and other substances mounted on offset paper to make aluminum foil sheets, can also be printed. However, the aluminum foil itself is easy to oxidize and dark, friction, touch, etc., will fade, so it is not suitable for long-term preservation of book covers and other hot printing.
Because of its excellent characteristics, aluminum foil is widely used in food, beverages, cigarettes, medicines, photographic plates, household necessities, etc., usually used as its packaging materials; Electrolytic capacitor material; Insulation materials for buildings, vehicles, ships, houses, etc.; It can also be used as decorative gold and silver thread, wallpaper and all kinds of stationery prints and light industrial products decoration trademarks.
In the above various uses, the most effective performance of aluminum foil is as a packaging material. Aluminum foil is a soft metal film, not only has the advantages of moisture-proof, airtight, shading, abrasion resistance, fragrance protection, non-toxic and tasteless, but also because of its elegant silver luster, easy to process a variety of colors of beautiful patterns and patterns, so it is more likely to be favored by people. In particular, after aluminum foil is combined with plastic and paper, the shielding property of aluminum foil is integrated with the strength of paper and the thermal sealing property of plastic, which further improves the shielding performance of water vapor, air, ultraviolet light and bacteria necessary for packaging materials, and greatly broadens the application market of aluminum foil.
Because the packaged items are fully isolated from the outside light, humidity, gas, etc., so that the packaging is well protected. Especially for the packaging of cooking food, the use of this composite aluminum foil material can at least ensure that the food does not deteriorate for more than one year. Moreover, it is very convenient to heat and open the bag, which is welcomed by consumers.
Aluminum foil can be divided into thick foil, single zero foil and double zero foil according to thickness difference.
Aluminum foil can be divided into rolled aluminum foil and sheet aluminum foil according to its shape. Aluminum foil deep processing wool is mostly supplied in rolls, and sheet aluminum foil is only used in a few handicraft packaging occasions.
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