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Product category|Zirconium Brick
AL₂O₃: ≥73%
ZrO₂: ≥7%
Si0₂: 18%
Bulk density: ≥2.8g/cm³
Refractoriness under load: ≥1700℃
Online Time: 7*24 hours
Zirconia mullite bricks are made of yttrium or calcium-stabilized zirconia sand as raw materials and added with binders. They are high-pressure molded and sintered at a high temperature of 1800°C. The use temperature can reach 2500°C. They have good chemical stability, are not easily volatile, and have strong thermal shock resistance.
Good chemical stability
Strong thermal shock resistance
Resistant to acid and alkali corrosion
Zirconium mullite bricks are widely used in non-metallic materials industry, petrochemical industry, steel smelting, glass industry and other fields. For example: silicon steel heating furnace linings in the metallurgical industry, thermal insulation linings for hydrogen production furnaces and gasification furnace high-temperature devices in the petroleum industry, thermal insulation linings for carbide intermediate frequency furnaces, etc.
| Item | Zirconium Mullite Brick |
| ZrO2% | ≥7 |
| AL2O3% | ≥73 |
| SiO2% | 18 |
| Fe2O3% | 0.5 |
| Apparent porosity(%) | 20 |
| Bulk density(g/cm³) | ≥2.8 |
| Cold compressive strength(MPa) | ≥100 |
| Refractoriness under load | ≥1700 |
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