China 2.0/5.0/10.0/20.0 Standard Sizes Grinding Zirconia Ceramic Ball, Find details about China Zirconia Ball, Zro2 Ball from 2.0/5.0/10.0/20.0 Standard Sizes Grinding Zirconia Ceramic Ball
PSZ Ceramic Properties | ||
Properties | Unit | Zirconia Ceramic |
Al2O3 (ZrO2 )Content | wt% | ≥ 94 |
Density | g /cm3 | 6.00 |
Hardness (HRA) | HRA ≥ | 90 |
Flexural Strength | MPa ≥ | 800 |
Max. use Temperature | ºC | 1000 |
Gas-tightness | Pass | |
Thermal shock Resistance | Pass | |
Coeff. of Thermal exp. | ×10-6/ºC | 10.0 |
Volume Resistivity | Ω·cm 20ºC | 1014 |
Dielectric Strength | KV/mm , DC≥ | 20 |
Acid Resistance | mg/cm2 ≤ | 2.0 |
Alkali Resistance | mg/cm2 ≤ | 0.08 |
Wear ability | g/cm2 ≤ | 0.05 |
Compressive Strength | M Pa ≥ | 2000 |
Tensile Strength | M Pa ≥ | 600 |
Elastic Modulus(Young) | G Pa | 320 |
Thermal Conductivity | W/m·K( 20ºC) | 2.6 |