... , engineering ceramics, nanometer Materials.Specifications:1.Chemical composition: Zro2: 94.6%, Y2O3: 5.2±0.2%2.Real specific density ... : 6.0g/cm33.Bulk density : 3.73.9g/cm34.Hardness: HRA>875.Hardness on Mohs scale: 96.Crushing strength ... (2.0mm): >15KN7.Size: 0.1, 0.2, 0.3, 0.40.6, 0.60 ...