Aluminium foil, also known as aluminum foil, is called tin foil in Hong Kong. It is a tool made of flattened metal aluminum. It is mainly used for cooking in the kitchen, holding food, or used to make some simple Clean materials. Thousands of tons of aluminum foil are used around the world to protect and package food, cosmetics and chemicals. Most aluminum foils are shiny on one side and dull on the other. The aluminum foil used for food can wrap food on both sides. It is usually recommended to wrap it with a bright surface to improve the heat conduction effect.
history
The original tin foil was really made of tin. Tin foil was harder than aluminum foil and also brought a tin smell to food. Therefore, after the aluminum price was lowered, aluminum foil replaced tin foil in daily life. However, since aluminum metal will affect the development of the brain, the surface layer of the current aluminum foil will be coated to avoid the release of aluminum metal.
Features
Aluminum foil paper is usually used to load food (such as: aluminum foil paper tray), used to grill bean sprouts, potatoes, sweet potatoes, etc. when grilling, so as not to burn them. Sometimes used for decoration. Modern aluminum foil paper is made of aluminum, and it can also be used as an aluminum electrode for electrolysis. There are also hair stylists who use aluminum foil to perm their hair. Some people also use aluminum foil to absorb the oil in the soup. Aluminum foil paper is also widely used for insulation, heat exchange, and as a conductor. Generally, the thickness of aluminum foil used in paper-packaged beverage packaging and food packaging bags is only 6.5 microns. This thin aluminum layer is waterproof, keeps the umami, anti-bacterial and anti-fouling.
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