China High Quality Zirconia Ceramics Grinding Media Balls for Mining Industry, Find details about China Zirconia Bead, Zirconia Ceramic Ball from High Quality Zirconia Ceramics Grinding Media Balls for Mining Industry
Properties | Unit | Data |
Composition | wt% | 95% ZrO2 5% Y2O3 |
Specific density | g/cm3 | 5.9-6.1 |
Moh's hardness | grade | > 9.0 |
Elastic modulus | Gpa | 205 |
Thermal conductivity | W/m.k | 3 |
Crushing load | Kn | >20 (Dia 7 mm) |
Fracture toughness | Mpa m1/2 | 7-10 |
Grain size | µm | <0.5 |
Thermal expansion Coefficient (20-400 ºC) | 10*10-6/ºC(20-400) | 11 |
Size range of beads Size range of cylinder | Mm Mm | 0.1--55 6---40 |