The technical data of Yttrium stabilized zirconia grinding media as following: Composition: 94.8%ZrO2, 5.2%Y2O3 Specific density: 5.95-6.0g/cm3 Hardness (HV): 11GPa Modulus of Elasticity: 205 GPa Thermal conductivity: 3 W/m.K Standard size: 0.3~30mm Zirconia grinding media is mainly used in coating, paint, pigment, ceramics, ink, electronic ceramics, pesticides, kaolin, zirconia powder, mineral material, special chemical and other industries.