In the past, people liked to use wax paper to package ice cream, which was higher-end and moisture-proof. But the disadvantage is that the wrapping paper easily springs back when it gets kinked. With the development of the times, aluminum foil began to replace wax paper and was used in ice cream packaging. Due to its thinness and strong plasticity, aluminum foil avoids the disadvantage of easy rebound when twisted.
Aluminum foil is a soft metal film. It not only has the advantages of moisture-proof, air-tight, light-shielding, abrasion resistance, fragrance retention, non-toxic and tasteless, but also because of its elegant silver-white luster, it is easy to process beautiful patterns and colors of various colors. pattern, so it is more likely to be favored by people.
Especially after the aluminum foil is combined with plastic and paper, the shielding properties of the aluminum foil are integrated with the strength of the paper and the heat sealing properties of the plastic, further improving the shielding performance against water vapor, air, ultraviolet rays and bacteria necessary for packaging materials. , greatly broadening the application market of aluminum foil.
Since the packaged items are fully isolated from external light, moisture, gas, etc., the packaged items are fully protected. Especially for the packaging of steamed food, using this composite aluminum foil material can ensure that the food does not deteriorate for at least one year. Moreover, it is very convenient to heat and open the package, so it is very popular among consumers.
Aluminum foil has a clean, hygienic and shiny appearance. It can be made into integrated packaging materials with many other packaging materials, and the surface printing effect of aluminum foil is better than other materials. In addition, aluminum foil has the following characteristics:
(1) The surface of aluminum foil is extremely clean and hygienic, and no bacteria or microorganisms can grow on its surface.
(2) Aluminum foil is a non-toxic packaging material that can be in direct contact with food without any danger to human health.
(3) Aluminum foil is a tasteless and odorless packaging material that will not cause any odor to the packaged food.
(4) If the aluminum foil itself is not volatile, it and the packaged food will never dry or shrink.
(5) No matter whether it is at high temperature or low temperature, there will be no grease penetration in the aluminum foil.
(6) Aluminum foil is an opaque packaging material, so it is a good packaging material for products exposed to sunlight, such as margarine.
(7) Aluminum foil has good plasticity, so it can be used to package products of various shapes. Containers of various shapes can also be made at will.
Therefore, aluminum foil has incomparable advantages as a packaging material. Due to its excellent properties, it is widely used in food, beverages, cigarettes, medicines, photographic plates, household necessities, etc. Especially for food packaging, whether it is ice cream or other foods, aluminum foil is a good choice.
