... , excellent toughness and superio Y-TZP grinding media is a Yttria Stabilized Zirconia grinding media which features high density, excellent toughness and superior ... , nanometer Materials.Specifications:1.Chemical composition: Zro2: 94.6%, Y2O3: 5.2±0.2%2.Real specific density : 6.0g/cm33 ... .21.4, 1.41.7, 1.52.0, 2.02.5, 3, 4, 5, 8, 10 or as the customers sizes. Yttria Stabilized Zirconia Beads