Steamed with boiling water, tin foil can be waterproof, fresh-keeping, antibacterial and antifouling, and can also be used to prevent burning during barbecue. Tin foil belongs to metal and has low resistance. The principle of microwave heating is to make polar molecules of objects move and heat through electromagnetic waves. ?
Aluminum foil lunch box is a widely used tableware. The thickness of aluminum foil lunch boxes is generally between 0.03 mm and 0.20 mm, which can be divided into two types: wrinkled and non-wrinkled. It can also be divided into one-time use and repeated use.
In China, it is usually called tin foil lunch box. In fact, it is a production process that takes 3-series or 8-series aluminum ingots as raw materials, cold-rolled or hot-rolled into aluminum foil mother rolls with uniform thickness, smooth surface, no pinholes, no dust particles and no peculiar smell, and then cold-stamped and formed with special equipment and molds at one time.
Precautions:
The popular plastic lunch boxes on the market are very harmful to human health. When the disposable foamed plastic tableware contains hot food or boiled water with the temperature above 65 degrees, the toxic substances contained in the tableware are easily immersed in the food. If the concentration of this harmful substance exceeds the standard, the toxicity will be even greater.