... good quality for the appilication Zirconium beads Specification as follows 1.Component ZrO2 94.6%,Y2O3 5.2±0.2% 2 ... .Real density 6.0g/cm3 min 3.Bulk density 3.7-3.9g/cm3 4.Rigidity HRA 87, 9 (Mohs) min ... mm) 0.6-0.8,0.8-1.0,1.0-1.2,1.2-1.4,1.4-1.7, 1.5-2.0,2.0-2.5 ... ,3,4,5,8,10 or to be customizedCharacteristic as follows 1 ...