Is Enamel Toxic At High Temperatures?
Before answering this question, we must first know what the enamel material and its components are, whether it contains toxic substances, and whether it has any effect on the human body. Enamel is a vitrified or vitrified inorganic coating that is attached to the metal surface by heating and melting.
As a daily-use enamel product that is often in contact with us, the metal material inside is usually cast iron or steel plate. After the porcelain layer is coated, it can take into account the firmness of the metal and the excellent physical and chemical properties of the glass. Especially the enamel surface has various decorations. , Elegant and beautiful and so on. This composite material is hygienic, safe, and harmless to the environment. However, if the porcelain layer falls off after being beaten or impacted, the metal material inside will be exposed to the air, and rust spots may form for a long time. In this case it is no longer suitable for use.
So is enamel toxic at high temperatures? the answer is negative. Enamel itself is the firing of metal and enamel frit at high temperature, and the firing temperature can reach 700~900°C. Enamel products have the advantages of high temperature resistance, corrosion resistance, smooth surface and easy cleaning.
The toxicity of enamel that people are worried about lies in the heavy metal elements contained in some enamel, but there are strict restrictions on the above elements for enamel that contacts food enamel products. Some enamel pigments such as cadmium red and cadmium yellow will not be used in places that come into contact with food.