As a result of the packaged goods and the outside light, moisture, gas and other sufficient isolation, so that the packaging is well protected. Especially for the packaging of cooking food, the use of this compound aluminum foil material, at least one year can ensure that food does not deteriorate. In addition, heating and unpacking are very convenient and popular among consumers. Generally, the thickness of aluminum foil is between 0.03mm and 0.1mm.

Characteristics of aluminum foil

Aluminum foil has a clean, hygienic and shiny appearance. It can be made into integrated packaging materials with many other packaging materials, and its surface printing effect is better than other materials. Besides, aluminum foil has the following characteristics:

(1) the surface of aluminum foil is extremely clean and sanitary, and no bacteria or microbes can grow on it.

(2) aluminum foil is a non-toxic packaging material, which can be directly contacted with food without any health hazards.

(3) aluminum foil is a kind of tasteless and odorless packaging material, which will not make the packaged food have any peculiar smell.

(4) if the aluminum foil itself is not volatile, it and the packaged food will never dry or contract.

(5) no grease infiltration occurs in aluminum foil at high or low temperature.

(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 for packaging products of various shapes. You can also create containers of any shape.

(8) the aluminum foil has great hardness and tensile strength, but its tear strength is small, so it is easy to tear.

(9) the aluminum foil itself cannot be heated and sealed; it must be coated on the surface of the aluminum foil with a material of thermal properties, such as PE, in order to heat seal.

(10) when aluminum foil is in contact with other heavy metals or heavy metals, adverse reactions may occur.