Aluminum foil is very common in our daily life, also known as aluminum foil, commonly known as tin foil, tin foil, etc., is a tool made of flattened metal aluminum, mainly used for cooking in the kitchen, holding food, or used to make some simple cleaning materials. Thousands of tons of aluminum foil are used around the world to protect and package food, cosmetics and chemicals.

It was true that the original tin foil was made of tin, but because it was softer than aluminum foil and had the disadvantage of retaining tin flavor in food, aluminum foil replaced tin foil in daily life after the price of aluminum was lowered. Most aluminum foil is shiny on one side and dull on the other. Food can be wrapped on both sides of aluminum foil. It is usually recommended to wrap food on bright side to improve heat transfer.

Aluminum foil is often used in food containers and sometimes as a decoration. Aluminum foil is also widely used for insulation, heat exchange, and as a conductor of electricity. Typically, the foil used in paper drinks and food packages is just 6.5 microns thick. This thin layer of aluminum is water-resistant, retains flavour, resists bacteria and stains.

The following are some common functions: 1. To hold food. It is very common to hold food on aluminum foil plates. 2, barbecue, some food (such as: sweet potato, mushroom, etc.) must be wrapped in aluminum foil to burn, to avoid charred. Wrapped in aluminum foil to cook seafood, mushroom, etc., can retain the flavor. 3, electric hair, some hairdressers will use aluminum foil wrapped in the hair, to heat the hair, has a better heat transfer effect. Using aluminum foil electrical improper will lead to burns, poor hair quality and other problems. 4, oil absorption, the aluminum foil crouched into a ball after opening, can absorb the soup surface of the oil slick.