This is recognized as safe and stable, and will not release impurities harmful to health at high temperature, because carbon steel is only carbon and steel, which is also the designated material for baking abroad. There is also a kind of ceramic, which has a high safety and health index, but its volume is too large, so it is difficult to demould some cakes after they are made, so carbon steel is used, which is practical and safe.
Carbon steel needs to be combined with non-stick coating to show its characteristics. Enamel and silicone coating are recommended. These two kinds of coatings are relatively safe and recognized abroad. Contact with this foreign order, the cake molds exported by the merchants are all carbon steel, enamel and silicone.
The domestic sales of aluminum are high, mainly because it is cheap, but it does not respect health.
Carbon steel non-stick cake mold
Cake mold