Product detail
Andalusite Brick
Product Introduction
Andalusite Brick is an alternative product for high aluminum bricks, used in the professional of the key parts of the furnaces. It has high cold crushing strength, high refractoriness under load, high thermal stability, good creep resistance and thermal shock resistance.
Application
The andalusite brick can be used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven or as the lining and checker of hot blast furnaces.
Product Parameters
| Item 项目 |
Andalusite brick 红柱石砖 |
||||||
| 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 显气孔率(%) |
≤ | 20(22) | 20(22) | 20(22) | 20(22) | 20(22) | 20(22) |
| Bulk Density 体积密度（g/cm3) |
≥ | 2.55~2.70 (2.50~2.65) |
2.50~2.65 (2.45~2.60) |
2.45~2.60 (2.40~2.55) |
2.40~2.55 (2.35~2.50) |
2.35~2.50 (2.30~2.45) |
2.30~2.45 (2.25~2.40) |
| Cold Crushing Strength 常温耐压强度(Mpa) |
≥ | 55(50) | 55(50) | 50(45) | 50(45) | 40(35) | 40(35) |
| Refractoriness under Load 荷重软化开始温度(℃) (0.2Mpa) |
≥ | 1700 | 1700 | 1650 | 1600 | 1520 | 1450 |
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