Ball milling mediaZirconia ceramic beads with proportion of 6.0 can be used as specifications 0.2mm-30mmMain chemical composition:ZrO2 94.6%   Y2O3 5.4%True specific gravity::          5.9-6.1g/cm3 Apparent specific gravity:          3.7g/cm3Moh's hardness :          ≥9 Flexure strength:       ≥1000MpaBreaking tenacity :       12～14Mpa.m1/2Color:          Pearl color  whitePackage:         plastic bucket or woven bagEnglish name:   TZP Zirconia Ceramic Beads  Website:http://www.zhongyuanfenti.com