Jun 30, 2021
High Zirconium Brick
Feature of Zirconium Brick
1.High temperature resistance,
2.High strength,high compression resistance,
3.Excellent thermal shock resistance,
4.High bulk density, good thermal conductivity,
5.Good wear resistance and acid,alkali corrosion resistance.
Technique Data of Zirconium Brick
| Item | Dense zircon brick | Zircon brick | zirconium -corundum brick | Zirconium -mullite brick | Semi-zircon brick |
| ZrO2 % | ≥65 | ≥60 | ≥30 | ≥18 | ≥15—20 |
| Al2O3 % | – | – | ≥45 | ≥55 | ≥50—60 |
| SiO2 % | – | ≤38 | ≤25 | ≤25 | ≤20 |
| Fe2O3 % | ≤0.3 | ≤0.5 | ≤0.5 | 1.2 | 1.2 |
| Apparent porosity % | ≤18 | ≤22 | ≤20 | ≤17 | ≤20 |
| Bulk density g/cm3 | ≥3.7 | ≥3.5 | ≥3.2 | ≥2.7 | ≥2.7 |
| Cold compressive strength MPa | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 |
| Refractoriness under load°C | ≥1650 | ≥1620 | ≥1650 | ≥1650 | 155 |
Applications of Zirconium Brick
Zirconia brick primarily used for the key parts of the furnace of steel, metallurgica,electronics,petrochemical,chemical fertilizers,non-ferrous metals,refractorty material etc high temperature industrial kiln furnace,such as glass furnace,glass fiber furnace,garbage incinerator furnace,electrothermal furnace etc.
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