China enamel frit manufacturersselect 2019 high quality enamel frit products in best price from certified chinese titanium dioxide manufacturers, china silicate suppliers, wholesalers and factory on made-in-china Alibaba offers 1,988 enamel frit products. about 75% of these are other inorganic chemicals, 14% are ceramics, and 1% are pigment. a wide variety of enamel frit options are available to you, such as industrial grade, food grade, and electron grade. A wide variety of enamel frits options are available to you, such as industrial grade, food grade, and electron grade. you can also choose from free samples. there are 1,952 enamel frits suppliers, mainly located in asia. the top supplying countries or regions are china, india, and turkey, which supply 99%, 1%, and 1% of enamel frits respectively. Porcelain enamel is a glass of a particular chemical composition and physical nature determined for the surface protection of metal. enamel frit is a form of glass bonded to metal on a molecular level at high temperature. this results in a typical and unique composite material of glass and metal, which combines the positive qualities of both materials.