... JINAO zirconia beadsCategory: yttria zirconia beads Technology: Sintering Size :0.2-60mm Density: 6.0g/cm3 Accumulation of proportion: 3.6g ... resistant, corrosion-resistant products: paints, textiles, paints, printing and dyeing 2, high strength, high toughness products: magnetic materials, piezoelectric ceramics, ... 10x10 -6 / °C(20-400)9.6 zirconia ceramic ball for bearing used for industry ceramic