Since the packaged items are fully isolated from the outside light, moisture, gas, etc., the packaged items are well protected. Especially for the packaging of cooked food, the use of this composite aluminum foil material can ensure that the food will not deteriorate for at least one year. Moreover, heating and unpacking are very convenient and are very popular with consumers. The thickness of general packaging aluminum foil is between 0.03mm-0.1mm.
Characteristics of aluminum foil
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 surface printing effect of aluminum foil is better than other materials. In addition, aluminum foil has the following characteristics:
(1) The surface of the aluminum foil is extremely clean and hygienic, and no bacteria or microorganisms can grow on the surface.
(2) Aluminum foil is a non-toxic packaging material that can directly contact with food without any worries that can harm human health.
(3) Aluminum foil is an odorless and odorless packaging material, which will not cause any odor in 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 the high temperature or low temperature, the aluminum foil will not penetrate the grease.
(6) Aluminum foil is a kind of 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. Can also be arbitrarily created containers of various shapes.
(8) Aluminum foil has high hardness and high tensile strength, but its tear strength is small, so it is easy to tear.
(9) The aluminum foil itself cannot be sealed by heating, and a heatable material, such as pe, must be applied on the surface to heat seal.
(10) When aluminum foil is in contact with other heavy metals or heavy metals, there may be adverse reactions.
