It is a kind of high grade abrasive and refractory materials, with the characteristic of high intensity, high toughness and high self-sharpness. The most common applications are in high pressure grinding wheels and pressure blasting of very hard surfaces. It is classified into ZA 25 and ZA 40 as the content of Zr02
- Typical Chemical Analysis
| AL2O3 | ZRO2 | SIO2 | TIO2 | FE2O3 | |
| ZA25 | 72.4% | 25.5% | 0.45% | 0.99% | 0.12% |
| ZA40 | 60.2% | 38.2% | 0.45% | 0.55% | 0.08% |
- Physical Characteristics
| Item | ZA-25 | ZA-40 |
| Color | Grey | Grey |
| Shape | Blocky, tough and sharp | Blocky, tough and sharp |
| True Density | 4.55g/cm3 | 4.55g/cm3 |
| Melting Temperature | 1950°C | 1900°C |
| Magnetic Material | 0.009% | 0.008% |
| Bulk Density(g/cm3 | 2.18 | 2.18 |
