zirconium silicate can be used in ceramic tile ,glaze,tableware zirconium silicate whiteness is 92%min ♥zirconium silicate is non-toxic, tasteless, white or offwhite powder, made of high-purity zircon sand and is a good-quality and cheap opacifier, whitening agent, stabilizing agent of ceramic glaze. ♥zirconium silicate specification :ZrO2 64%minFe2O3 0.12%max TiO2 0.10%max Partical size D50 is 1 ...