Andalusite Brick
1. High Working Temperature;
2. Good Thermal Shock Resistance;
3. Good Thermal Stability;
4. Good Erosion and Corrosion Resistance;
Applications
Andalusite bricks with excellent performance can fully meet the requirements for use in different parts of blast furnaces and hot blast stoves and in different working environments.
Technical Data of Andalusite Brick
| Item | RH-155 | RH-150 | RH-145 | RH-140 | RH-135 | RH-130 | |
|---|---|---|---|---|---|---|---|
| Al2O3, % | ≥ | 69 | 65 | 61 | 57 | 53 | 49 |
| Fe2O3, % | ≤ | 1 | 1 | 1.2 | 1.2 | 1.5 | 1.5 |
| TiO2, % | ≤ | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 |
| Apparent Porosity, % | ≤ | 20 | 20 | 20 | 20 | 20 | 20 |
| Bulk Density, g/cm³ | 2.55~2.70 | 2.50~2.65 | 2.45~2.60 | 2.40~2.55 | 2.35~2.50 | 2.30~2.45 | |
| Cold Crushing Strength, MPa | 55 | 55 | 50 | 50 | 40 | 40 | |
| 0.2MPa Refractoriness Under Load, ℃ | ≥ | 1700 | 1700 | 1650 | 1600 | 1520 | 1450 |
| Permanent Line Change, % | 1500℃*2h ±0.2 | 1450℃*2h ±0.2 |
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