Jun 30, 2021
Low Cement Castable
Application of Refractory Castable
1. Furnaces of metallurgy industry, heat treatment furnace.
2. Furnace of incineration of garbage, recirculating fluidized bed furnace.
3. Furnaces of chemical industry and construction industry.
4. Tundish lining.
Properties of Refractory Castable
| Al2O3, % ≥ | 50 | 60 | 70 | 80 | 90 | |
| CaO, % ≤ | 2.5 | 2.2 | 2 | 2 | 1.8 | |
| Bulk density, g/cm3 ≥ | 2.35 | 2.45 | 2.5 | 2.6 | 2.95 | |
| Cold crushing strength, Mpa ≥ | 110x24h | 20 | 25 | 30 | 30 | 40 |
| 1000x3h | 45 | 50 | 55 | 55 | 65 | |
| 1400x3h | 60 | 65 | 70 | 70 | 80 | |
| Linear on reheating, % | 1400x3h | ±0.5 | ±0.4 | ±0.4 | ±0.3 | ±0.4 |
| Max. service temperature, °C | 1400 | 1450 | 1500 | 1550 | 1650 | |
| Water consumption, % | 6 ~ 7.5 | 6 ~ 7.5 | 6 ~ 7.5 | 6 ~ 6.5 | 6 ~ 6.5 | |