Corundum brick (mineral)
- Commodity name： Corundum brick (mineral)
Category：
Keyword：
Corundum brick (mineral)
Aluminum oxide content of more than 90%, corundum-based crystalline phase of the refractory products.
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Introduction:
Aluminum oxide content of more than 90%, corundum-based crystalline phase of the refractory products. Very high room temperature compressive strength (up to 340MPa). High load softening temperature (greater than 1700 ℃). Good chemical stability, acidic or alkaline slag, metal and glass liquid have strong resistance. Divided into two kinds of sintered corundum bricks and electrofused corundum bricks. Sintered alumina and fused corundum can be used as raw materials or Al2O3/SiO2 ratio of high bauxite clinker and sintered alumina with the sintering method. It can also be made of unfired corundum bricks with phosphoric acid or other binder.
Characteristics:
Good erosion resistance, super high temperature resistance, super wear resistance.
Application:
Mainly used in ironmaking blast furnace and blast furnace hot blast furnace, steelmaking furnace outside the refining furnace, sliding water apparatus, glass melting kiln and petrochemical industry furnace.
Physical and chemical indicators:
| Project | Corundum Mullite Tile | Corundum brick (mineral) |
| Al₂O₃ % | 70~85 | 85-99 |
| SiO₂ % | 10~23 | 0.5-10 |
| Fe2₂O₃ % | 0.2~0.5 | 0.1-0.3 |
| Bulk density (g/cm³) | 2.55~2.8 | 2.8~2.95 |
| Open porosity (%) | ≤18 | ≤16 |
| Cold Crushing Strength (MPa) | 60~100 | 80~120 |
| Refractoriness under load at 0.2Mpa(℃), 0.6% | ≥1700 | ≥1700 |
| Reheating Linear Change (1600°C*8h) | ≤0.2 | ≤0.2 |
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Corundum brick (mineral)
- Commodity name： Corundum brick (mineral)
Category：
Keyword：
Corundum brick (mineral)
Aluminum oxide content of more than 90%, corundum-based crystalline phase of the refractory products.
Product Details
Introduction:
Aluminum oxide content of more than 90%, corundum-based crystalline phase of the refractory products. Very high room temperature compressive strength (up to 340MPa). High load softening temperature (greater than 1700 ℃). Good chemical stability, acidic or alkaline slag, metal and glass liquid have strong resistance. Divided into two kinds of sintered corundum bricks and electrofused corundum bricks. Sintered alumina and fused corundum can be used as raw materials or Al2O3/SiO2 ratio of high bauxite clinker and sintered alumina with the sintering method. It can also be made of unfired corundum bricks with phosphoric acid or other binder.
Characteristics:
Good erosion resistance, super high temperature resistance, super wear resistance.
Application:
Mainly used in ironmaking blast furnace and blast furnace hot blast furnace, steelmaking furnace outside the refining furnace, sliding water apparatus, glass melting kiln and petrochemical industry furnace.
Physical and chemical indicators:
| Project | Corundum Mullite Tile | Corundum brick (mineral) |
| Al₂O₃ % | 70~85 | 85-99 |
| SiO₂ % | 10~23 | 0.5-10 |
| Fe2₂O₃ % | 0.2~0.5 | 0.1-0.3 |
| Bulk density (g/cm³) | 2.55~2.8 | 2.8~2.95 |
| Open porosity (%) | ≤18 | ≤16 |
| Cold Crushing Strength (MPa) | 60~100 | 80~120 |
| Refractoriness under load at 0.2Mpa(℃), 0.6% | ≥1700 | ≥1700 |
| Reheating Linear Change (1600°C*8h) | ≤0.2 | ≤0.2 |
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Xiaolinchi Village, Linchi Town, Zouping County, Binzhou City, Shandong Province
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