... 32.77% SiO2 3,Usage Zircon sand is commonly used in the manufacturing of refractory (Zirconium refractories, such as ... molding industry, ceramic and enamelware producing, in addition, also used in the production of glass, metal (spongeZr) and zirconium ... zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zirconium sand with good quality