About enamel frits enamel frit is used to coat a glass-like substance composed of an alkali-boron-silicate system on a metal blank. after being fired, it can be firmly combined with the blank body, and thus has the protective effect and decorative effect on the body. Ground coat enamel frits , find complete details about ground coat enamel frits,ground coat enamel frits,ground coat enamel frits,frits from other inorganic chemicals supplier or manufacturer-hupc chemical co., ltd. Saudi arabia newit co.,ltd. is a high-tech enterprise consonant with the national industrial policy, which specializes in research & development, manufacturing and sales of high quality enamel frits and granular boron fertilizer and other chemical materials. Ceramic enamel frits contain finely ground glass mixed with inorganic pigments to produce a desired color. the coated glass is then heated to about 1,150°f, fusing the frit to the glass surface, which produces a ceramic coating almost as hard and tough as the glass itself.