Castable
Specifications of Castables
| Code name | HAC 40 | HAC 52 | HAC 75 | HAC 80 |
| Chemical analysis | ||||
| Al2O3% | 40 | 52 | 70 | 80 |
| SiO 2% | 54 | 44 | 24 | 14 |
| Required Kg/ft3 | 60 | 60 | 60 | 60 |
| Grain size – Maximum | 5 mm | 5 mm | 5 mm | 5 mm |
| Less than 0.1 mm (%) | 20(Min) | 20(Min) | 20(Min) | 20(Min) |
| Maximemp. (℃) | 1350 | 1450 | 1550 | 1600 |
