Generally, tin foil will not paste in the pot, so long as it is not in direct contact with open flames, tin foil can be used. Because tin foil is very resistant to high temperature, this paper is very soft and easily deformed, just like paper, it will not rebound after deformation. Can be qualitative, ensure shading, will not fall, opaque, and less pollution.

When using tin foil, we must not let it come into contact with open flames. At present, a lot of tin foil on the market is aluminum foil, and the middle layer is aluminum. Direct baking is easy to cause heavy metal pollution.