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Brief description of high alumina brick SK-36
The main component of high alumina brick is Al2O3, which is formed and calcined from bauxite or other raw materials with high alumina content. The fire resistance of high-alumina brick can reach 1750~1790 ℃, which is a high-grade refractory material.
Features of high alumina brick SK-36
- Slag resistance
- High temperature resistance
- Resistance to chemical attack
- Thermal stability
More relevant refractory products: High alumina insulating fire bricks
Parameters of high alumina brick SK-36
| Item/Grade | SK-36 | SK-37 | SK-38 | SK-40 |
| AL2O3% (≥) | 55 | 65 | 70 | 82 |
| Fe2O3% (≤) | 2 | 2 | 2 | 2 |
| Refractoriness(SK) | 36 | 37 | 38 | 40 |
| Refractoriness underload, 0.2MPa, °C (≥) | 1450 | 1480 | 1530 | 1600 |
| Apparent porosity (%) | 20-23 | 20-23 | 20-22 | 18-20 |
| Bulk density (g/cm³) | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
| Cold crushing strength ,MPa (≥) | 45 | 50 | 60 | 70 |
Application of high alumina brick SK-36
High alumina bricks are mostly suitable for blast furnace, hot blast furnace, electric furnace, cupola, coke oven, soaking furnace, heating furnace, off-road refining furnace, rotary kiln and various industrial furnace linings, flue, smoke chamber, etc.