Aluminum foil has a clean, hygienic and shiny appearance. It can be made into an integrated packaging material with many other packaging materials, and the printing effect on the surface of aluminum foil is better than other materials. In addition, aluminum foil has the following characteristics:
- The surface of aluminum foil is extremely clean and hygienic, and no bacteria or microorganisms can grow on its surface.
- Aluminum foil is a non-toxic packaging material, which can be in direct contact with food without any danger to human health.
- Aluminum foil is a tasteless and odorless packaging material, which will not make the packaged food have any peculiar smell.
- If the aluminum foil itself is not volatile, it and the packaged food will never dry or shrink.
- Whether at high temperature or low temperature, the aluminum foil will not have the phenomenon of grease penetration.
- Aluminum foil is an opaque packaging material, so it is a good packaging material for products exposed to sunlight, such as margarine.
- Aluminum foil has good plasticity, so it can be used to package products of various shapes. Containers of various shapes can also be made arbitrarily.
- Aluminum foil has high hardness and high tensile strength, but its tear strength is small, so it is easy to tear.
- The aluminum foil itself cannot be heat-sealed, and it must be coated with a heat-resistant material, such as PE, to be heat-sealed.
- When aluminum foil is in contact with other heavy metals or heavy metals, there may be adverse reactions.
Since the packaged items are fully isolated from the light, moisture, and gas of the outside world, the packaged items are well protected. Especially for the packaging of cooked food, the use of this composite aluminum foil material can at least ensure that the food will not deteriorate for more than one year. Moreover, it is very convenient to heat and unpack, and is very popular among consumers. The thickness of the general packaging aluminum foil is between 0.03mm-0.1mm.
