Sintered Spinel
| AL2O | 75-77% min |
| MgO | 22-24% min |
| SiO2 | 0.20% max |
| Fe203 | 0.20% max |
| CaO | 0.20% max |
| B.D. | 3.30 gr/ccm. min |
| Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available | |
| AL2O | 75-77% min |
| MgO | 22-24% min |
| SiO2 | 0.20% max |
| Fe203 | 0.20% max |
| CaO | 0.20% max |
| B.D. | 3.30 gr/ccm. min |
| Available size: 0 – 1 mm | 1 – 3 mm | 3 – 5 mm | 5 – 8 mm | Fines/Other available | |