Steam Coal
Specifications
| RB1 | RB2 | RB3 | |
| Calorific Value Basis (kcal/kg NCV) | 6,000 | 6,000 | 5,500 |
| Calorific Value Min (kcal/kg NCV) | 5,850 | 5,700 | 5,300 |
| Total Moisture (ARB) | 12.0% max | 13.0% max | 14.0% max |
| Volatile Matter (ARB) | 22.0% min | 21.0% min | 20.0% min |
| Ash (ARB) | 15.0% max | 17.0% max | 23.0% max |
| Sulphur (ARB) | 1.0% max | 1.0% max | 1.0% max |
| Hardgrove Grindability Index (HGI) | 45 – 70 | 45 – 70 | 45 – 70 |
| Nominal Topsize | 50 mm | 50 mm | 50 mm |
| IDT | Min 1,250 °C in a reducing atmosphere | Min 1,250 °C in a reducing atmosphere | Min 1,150 °C in a reducing atmosphere |
| Calcium Oxide in Ash (DB) | 12.0% max | 12.0% max |