... Certificte:SGS zirconia beads-grinding media:1. Preventing material from contamination because of its extreme low wear rate ... and dispersed, structural ceramics, electronics ceramics, refractory ceramics, magnetic material, metallurgy, medicine, food, cosmetics, textiles, printing and dyeing, ... , Φ5*5, Φ7*7, Φ10*10, Φ12*12mmMaterial Properties Of TZP Compositionwt%94.6%ZrO2,5.4Y2O3Specific densityg/cm3 ...