Chromium corundum brick
Chromium corundum bricks have excellent high-temperature resistance, maintaining structural stability in high-temperature environments and resisting deformation and damage caused by heat. They have extremely high hardness and outstanding wear resistance, effectively resisting abrasion and friction from materials. Additionally, these bricks possess good corrosion resistance, able to withstand various chemical attacks, greatly extending their service life.
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Aluminum
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| Item | Chrome corundum brick | Chrome corundum brick | Chrome corundum brick |
| Cr2O3 % | ≥30 | ≥12 | ≥8 |
| Al2O3 % | ≤68 | ≤80 | - |
| Fe2O3 % | ≤0.2 | ≤0.3 | ≤0.5 |
| Bulk density g/cm3 | ≥3.7 | ≥3.5 | ≥3.2 |
| Apparent porosity % | ≤18 | ≤18 | ≤18 |
| Cold compression strength MPa | ≥130 | ≥130 | ≥100 |
| Refractoriness under load ℃ (0.2MPa,0.6%) | ≥1700 | ≥1700 | ≥1700 |
Performance: Chrome corundum bricks have excellent high-temperature resistance, maintaining structural stability in high-temperature environments and resisting deformation and damage caused by heat. They have very high hardness and outstanding wear resistance, effectively resisting abrasion and friction from materials. Additionally, these bricks possess good corrosion resistance, able to withstand various chemical attacks, greatly extending their service life.
Application: In the glass industry, chrome corundum bricks are commonly used in key parts of glass furnaces, such as furnace linings and furnace tops, ensuring stable and efficient glass production due to their excellent properties. In the metallurgical industry, they are widely used in steelmaking furnaces and refining furnaces to withstand high temperatures and corrosion from molten steel. Furthermore, in high-temperature kilns in ceramics, chemical, and other industries, chrome corundum bricks also play an important role, providing reliable refractory protection for the production process.
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