What are the characteristics of aluminum foil

Aluminum foil has clean, sanitary and shiny appearance, it can be made into integrated packaging materials with many other packaging materials, and aluminum foil surface printing effect is better than other materials, in addition to the aluminum foil has the following characteristics:
(1) The surface of aluminum foil is extremely clean and sanitary, and no bacteria or microorganisms can grow on the surface.
(2) Aluminum foil is a non-toxic packaging material, it can be in direct contact with food without any harm to human health.
(3) Aluminum foil is a tasteless and odorless packaging material, which will not make the packaged food have any odor.
(4) If aluminum foil itself is not volatile, it and packaged food will never dry or shrink.
(5) No matter at high temperature or low temperature, aluminum foil will not have the phenomenon of oil penetration.
(6) Aluminum foil is a light-tight 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. It can also be arbitrarily made into containers of various shapes.
(8) Aluminum foil has high hardness and high tensile strength, but its tearing strength is small, so it is easy to tear.
(9) Aluminum foil itself can not be heated sealing, must be coated on the surface of the hot material, such as pe in order to heat sealing.
(10) Aluminum foil may have adverse reactions when it comes into contact with other heavy metals or heavy metals.