What are the precautions for using food grade aluminum foil?

Food-grade aluminum foil cartons are used by more and more merchants, and are more widely used in the food industry and other fields, and are increasingly inseparable from people's lives. The price acceptance of food aluminum foil is also relatively high. However, some problems need to be paid attention to in the daily use of food-grade aluminum foil. Let's take you to understand it!
The use of food-grade aluminum foil requires attention: (1) The surface of the aluminum foil is clean and hygienic, and no bacteria or microorganisms will grow on the surface; (2) Aluminum foil is a non-toxic packaging material that can be in direct contact with food and is not harmful to health (3) Aluminum foil is an odorless and tasteless packaging material that will not cause odor to packaged food; (4) If the aluminum foil itself does not volatilize, the aluminum foil and packaged food will never dry or shrink; Even at low temperatures, aluminum foil will not seep into grease; (6) Aluminum foil is an opaque packaging material that can be used to package foods that are afraid of sunlight exposure, such as butter; (7) Aluminum foil has good plasticity, so it can be used for packaging various (8) Aluminum foil has high hardness and high tension, but its tear strength is small, so it is easy to tear, that is, it is resistant to support without tearing; (9) When aluminum foil is in contact with other heavy metals or heavy metals, A chemical reaction may occur, so keep aluminum foil away from other metals!