Double zero aluminum foil

The so-called double-zero aluminum foil is a foil having two zeros after the decimal point in the thickness of mm, and is usually an aluminum foil having a thickness of less than 0.0075 mm. When expressed in English, the thick foil is called "heavy gaugefoil", the single zero foil is called "medium gaugefoil", and the double zero foil is called "lightgaugefoil". In foreign countries, an aluminum foil with a thickness of ≤ 40 ltm is sometimes referred to as a light gauge foil, and an aluminum foil having a thickness of > 40 btm is collectively referred to as a heavy gauge foil.

Aluminum foil is a hot stamping material which is directly calendered into a thin sheet of metal aluminum. Its hot stamping effect is similar to that of pure silver foil stamping, so it is also called fake silver foil. Since aluminum has a soft texture and good ductility, it has a silvery white luster. If the calendered sheet is smashed on an offset paper with a material such as sodium silicate, an aluminum foil sheet can be formed. However, the aluminum foil itself is easily oxidized and the color is darkened, and friction, touch, and the like are discolored, and thus it is not suitable for hot stamping of a book cover that has been preserved for a long time. Aluminum foil can be divided into thick foil, single zero foil and double zero foil according to the thickness difference.
Aluminum foil is widely used in packaging materials for food, beverage, cigarette, pharmaceutical, photographic floor, household and daily necessities due to its excellent characteristics; electrolytic capacitor materials; thermal insulation materials for buildings, vehicles, ships, houses, etc.; Silver lines, wallpapers, and various decorative labels for stationery and light industrial products. Among the above various applications, the most effective performance of the 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 resistance, fragrance preservation, non-toxic and tasteless, but also because it has an elegant silver-white luster, it is easy to process beautiful patterns of various colors and The pattern is thus more popular with people. In particular, after the aluminum foil is combined with plastic and paper, the shielding property of the aluminum foil is integrated with the strength of the paper and the heat sealing property of the plastic, thereby further improving the shielding performance for water vapor, air, ultraviolet rays and bacteria which are necessary as packaging materials. , greatly expanded the application market of aluminum foil. Since the packaged article is sufficiently isolated from the outside light, moisture, gas, etc., the package is well protected. Especially for the packaging of retort foods, the use of this composite foil material can at least guarantee that the food does not deteriorate for more than one year. Moreover, heating and unpacking are very convenient and are very popular among consumers.

Double zero aluminum foil is relatively thin, mainly used in the packaging industry, such as food packaging, cigarette packaging and so on.

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