Enamel is a glassy compound applied to and bonded by heat (fusion) to a metal surface; to a copper surface at 1450 degrees f., and to a glass surface at 1100 degrees f. to 1500 degrees f. the most common glass is a fusion of silica, soda, lime, and a small amount of borax. China wholesale cover coat enamel frits , find complete details about china wholesale cover coat enamel frits,cover coat enamel frits,powder luster,ceramic luster from other inorganic chemicals supplier or manufacturer-zibo fuxing ceramic pigment & glaze co., ltd. Porcelain enamel frit manufacturer/supplier, china porcelain enamel frit manufacturer & factory list, find qualified chinese porcelain enamel frit manufacturers, suppliers, factories, exporters & wholesalers quickly on made-in-china. Frits are the basis and main component of an enamel coating. each pemco® frit is individually designed to address the complex variables of chemistry and end use application. quality raw materials are blended and melted to create a frit technically adapted for different applications.