Enamel (glass) is crushed to a powder somewhat finer than granulated sugar and somewhat coarser than flour. this powder is applied, by one of several methods, to the metal or glass surface. next the article is heated to 1100 to 1500 degrees f., either in a pre-heated furnace, a hand held torch, or for enamels fused to glass, in a kiln. China titanium frit manufacturersselect 2020 high quality titanium frit products in best price from certified chinese titanium dioxide manufacturers, white pigment suppliers, wholesalers and factory on made-in-china Steel plate ground coat frit is mainly used in low carbon steel plate, with very good adhesion and wide firing temperature range. it can be single used, and can be also mixed with other ground coat frits according to firing temperature. Hunan noli enamel co., ltd is the leader manufacturer of enamel frits & inorganic pigment in china. now we have 30,000 m/t enamel frits and 2,000 m/t inorganic pigments annual capacity, and 10,000 m/t rtu(ready to use) powder and electro static powder.