... refractory (Zirconium refractories, such as zirconium corundum brick, zirconium refractory fiber), molding industry, ceramic and enamelware producing, in addition, also used ... dioxide, zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zirconium sand with good quality