1.Brief introduction: ZrO2+HfO2 > 98.0, SiO2 < 1.50, Fe2O3 < 0.08, TiO2 < 0.20, Al2O3 < 1.0, MgO < 0.20, CaO < 0.20. 2.Particle size: Hollow zirconia: 0-12mm Powder zirconia: 0-325Mesh 3.Main applications: used in the ceramics and refractory (material) industrial, e.g. be used in manufacture ceramic glaze and zirconium corundum brick(AZS brick) and so on. 4.Remark: the serial product can be produced and processed according to customer`s need.