Product detail
High Alumina Brick
High alumina bricks with strong corrosion resistance, good thermal shock stability,are suitable for the parts below the blast furnace bosh.
Product Parameters
| Item 项目 |
High Alumina Brick 高铝砖 |
|||
| GL-65 | GL-55 | GL-48 | ||
| Al2O3(%) | ≥ | 65 | 55 | 48 |
| Fe2O3(%) | ≤ | 2.0 | 2.0 | 2.0 |
| Apparent Porosity 显气孔率(%) |
≤ | 19 | 19 | 18 |
| Refractoriness 耐火度(℃) |
≥ | 1790 | 1770 | 1750 |
| Cold Crushing Strength 常温耐压强度(Mpa) |
≥ | 60 | 55 | 50.0 |
| Refractoriness under Load 荷重软化开始温度(℃) (0.2Mpa) |
≥ | 1500 | 1480 | 1450 |
| Linear Change on Reheating 重烧线变化率（%） 1500℃×2h |
0~-0.2 | 0~-0.2 | 0~-0.2 | |
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