The materials be alloy : 8011, 3003 state: H24, O thickness: 0.009-0.08mm,can be used to protect and package food, cosmetics and chemicals.Aluminum foil can be used to wrap food on both sides. It is usually recommended to use bright surface to enhance the heat transfer effect.Aluminum foil paper is usually used for food dishes (such as: aluminum foil plate), in the barbecue used to wrap bean sprouts, potatoes, sweet potatoes, etc. used for barbecue, so as not to burn them.Some people also use aluminum foil to absorb the oil in the soup. Aluminum foil is also widely used for insulation, heat exchange, and as a conductor of electricity.