Al₂O₃ balls
Final Advanced Materials provides a range of ceramic balls with corrosion and abrasion resistance at high temperature in alumina Al2O3 and zirconia ZrO2.
Alumina Al2O3 Ceramic balls presentation
Our alumina Al2O3 (purity 99.5%) ceramic balls have dimensional stability up to 1100 °C (maximum temperature 1400 °C) with a high wear and corrosive resistance. Alumina balls resist oxidation, contact with water, salt solutions, acids, ... Al2O3
Technical Datasheet
|
Properties |
Alumina |
Zirconia |
| Chemical composition (weight %) | 99.50% | 97% ZrO2 - 3% MgO |
| Hardness | 1700 Hv | 80 - 84 Ra |
| Density (g/cm3) | 3.87 | 5.6 |
| Compressive strength (kN/mm²) | 2.4 | 2 |
| Cross-breaking strength (kN/mm²) | 0.26 | 0.53 |
| Elasticity (kN/mm²) | 350 | 195 |
| Peak temperature (°C) | 1400 | 2400 |
|
Material |
Grade | Dimensions (Φ en mm) |
|
Al2O3/ZrO2 |
2 | 2 to 3mm |
| 3 | 3 to 4mm | |
| 5 | 5 to 6mm | |
| 8 | 8 to 9mm | |
| 10 | 10 to 11mm |