enamel
Enamel, also known as enamel, refers to the glass or ceramic powder sintered in the matrix (such as metal, glass or ceramic) surface of the shell, mostly color with artistic beauty of the pattern, for the protection and decoration. Quartz, feldspar as the main raw material, and adding soda ash, borax and other solvents, titanium oxide, antimony oxide, fluoride and other opacifying agent, metal oxide as a coloring agent, after crushing, mixing, melting, pouring Water quenching into enamel pulp, coated on the surface of metal products, after drying, firing, that is, products. Enamel pot, Sheng dish, bathtub, refrigerator and so on. ...