| 38 – 40% grade ore | 42 – 44% grade ore | 46 – 48% grade ore | |||
| Mn | 40% (Min) | Mn | 44% (Min) | Mn | 48% (Min) |
| Rejection | Below 38% | Rejection | Below 42% | Rejection | Below 46% |
| SiO2 | 6% Max | SiO2 | 5% Max | SiO2 | 4% Max |
| Al2O3 | 8% | Al2O3 | 7% | Al2O3 | 5% |
| SiO2+Al2O3 | 14% Max | SiO2+Al2O3 | 12% Max | SiO2+Al2O3 | 9% Max |
| Fe | 16%(Min) | Fe | 14%(Min) | Physical size | 10 mm to 40 mm |
| Phos | 0.12% Max | Phos | 0.10% Max | ||
| Physical size | 10 mm to 40 mm | Physical size | 10 mm to 40 mm |
