high alumina fire bricks for hot-blast furnace 1) good thermal insulation performance 2) good thermal shock resistance
Shaped Refractory Bricks Fire Clay Bricks for Furnace Use
High-Alumina Brick for Blast Furnace
Fireproof brick/Heat-resistance brick
Features:
high -temperature endurable good friction and wear properties good thermal insulation performance
It is one of our main products whose main mineral component is mullite and corundum phases, with excellent high-temperature physical properties, widely used in any parts of blast furnace with good work-ability. It has been used in large volume blast furnace with a good result.
Specifications:
Index | High-alumina brick for blast furnace | ||
GL-55 | GL-65 | GL-75 | |
Al2O3, % ≥ | 55 | 65 | 76 |
Fe2O3, % ≤ | 2.0 | 2.0 | 2.0 |
C, % ≥ |
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Long-term service temperature,°C ≥ | 1770 | 1790 | 1790 |
Refractoriness under load(0.2Mpa 0.6%), °C ≥ | 1480 | 1500 | 1520 |
Linear change after heating (1500°C*2h) | 0~-0.2 | 0~-0.2 | 0~-0.2 |
Apparent porosity, % ≤ | 19 | 19 | 19 |
Cold crushing strength, Mpa ≥ | 49.0 | 58.8 | 70 |
Typically Application:
Fire Resistant Brick is widely used in hot blast stove, blast furnace, metallurgy, construction, chemical industry, electric power and machine building.
Shaped Insulating Bricks Fire Clay Bricks for Furnace Use
