There is evidence that this line of enamels is better suited for glass rated at 96 coe than for glass rated at 90 coe. thompson enamel is processed at 80 mesh unless a special request is made for a fine mesh. at 80 mesh the most practical means of application is sifting. Easy to clean matt glaze frit powder for metal vitreous enamelling the enamel frits is smashed to enamel powder and mixed with suitable additives. our main products of enamel frits including ground coat, cover coat, transparent frit , matt enamel, direct on black frits and various cast-iron frits. Alibaba offers 652 ground coat enamel frits products. about 99% of these are other inorganic chemicals, 1% are ceramics, and 1% are pigment. a wide variety of ground coat enamel frits options are available to you, such as industrial grade. there are 650 ground coat enamel frits suppliers, mainly located in asia. 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.