1, tin aluminum foil can not be put into the microwave heating.
2, although the "tin" as soft as paper, but essentially still metal. Microwaves can not penetrate the metal, the food will not be heated; in addition, the metal will reflect microwaves, damage to the microwave tube, electric sparks, and even lead to fire, explosion. The oven is heated by heat radiation from the heating tube, which is a traditional heating method and is suitable for using aluminum foil. Aluminum foil paper can also be used in microwave ovens with a grill function, but the premise must be a grill mode, never microwave heating.