aluminum foil is mainly composed of aluminum
tin foil is mainly composed of lead tin alloy
food packaging paper is generally a composite film, which is composed of printing layer, aluminized barrier layer and heat sealing layer. The aluminum coating is not in direct contact with food.
aluminum foil and tin foil, one made of aluminum and the other made of tin, must be different
when food is baked in the oven, tin foil is used. But cans are made of aluminum alloy
however, excessive aluminum intake can lead to Alzheimer’s disease, so it’s better to use less.