Aluminum foil has clean, sanitary and sparkling appearance. It can be integrated with many other packaging materials, and the printing effect of aluminum foil is better than that of other materials. Besides, aluminum foil has the following characteristics.
(1) the surface of aluminum foil is very clean, sanitary, any bacteria or microbes can not grow on its surface.
(2) aluminum foil is a non-toxic packaging material, it can contact with food directly without any harm to human health.
(3) the aluminum foil is a tasteless odorless packing material, and it will not make the packaged food have any peculiar smell.
(4) if aluminum foil itself is not volatile, its own and packaged food will never dry or shrink.
(5) no matter in high temperature or at low temperature, the aluminum foil will not be permeated with oil.
(6) aluminum foil is a kind of opaque packing material, so it is a good packing material for products such as margarine, such as margarine, which are irradiated by the sun line.
(7) aluminum foil has good plasticity, so it can be used to pack all kinds of products. It can also cause various shapes of containers.
(8) the hardness of aluminum foil is large and the tensile strength is large, but its tear strength is small, so it is easy to tear.
(9) the aluminum foil itself cannot be heated and sealed, and it must be coated on its surface with heat - resistant material, such as PE, to be sealed.
(10) there may be adverse reactions when aluminum foil is exposed to other heavy metals or heavy metals.
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