Most of the aluminum foil is shiny on one side and matte on the other.
Food foils can be wrapped on both sides of the foil.
It is usually recommended to wrap the shiny surface to enhance the heat transfer.
Tin foil is softer than aluminum foil, and the packaged food will have a little tin flavor.
At the same time, tin foil can not be heated because of its low melting point, or the heating temperature is high – such as embrittlement starts above 160 ° C – and it is limited in food packaging.
It can be applied to ordinary barbecue foods, baked goods, and even traditional chickens using aluminum foil to wrap the baking, clean and at the same time keep it Original flavor.
Therefore, after the aluminum price was lowered, the aluminum foil replaced the tin foil in daily life. However, since aluminum metal affects the development of the brain, the surface of the current aluminum foil is coated to avoid the release of metallic aluminum.