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High Alumina bricks have great features like high temperature performance, great corrosion and wear resistance, high bulk density, low iron content, etc. High Alumina bricks are extensively used in mining, metallurgy, cement, chemical and refinery and refractory industries. These High Alumina bricks - 80% alumina can be applied to electric arc furnaces roofs, steel ladles, cement rotary kiln and its cooler, lime kiln, Aluminum melting furnaces, kiln for chemical industry, reheating furnaces and soaking pits, glass tank furnace and regenerator, etc...
Item | Unit | High alumina brick AL-80 |
Al2O3 ≥ | % | 80 |
Fe2O3 ≤ | % | 1.8 |
Bulk density ≥ | g/cm3 | 2.7 |
Apparent porosity ≤ | % | 20 |
Cold crushing strength ≥ | Mpa | 50 |
Refractoriness under load T0.6≥ | ºC | 1500 |
Permanent linear change 1550ºC*2h | % | ±0.5 |
Refractoriness | ºC | 1810 |