Zirconia Alumina
Zirconia alumina possesses excellent high-temperature stability, capable of maintaining structural stability in high-temperature environments without easily deforming. It has good chemical stability and strong resistance to corrosion from various chemical substances. Additionally, this material has high mechanical strength and outstanding wear resistance, able to withstand significant pressure and frequent friction.
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Aluminum
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| Item | Dense zircon brick | Zircon brick | Zircon mullite block | AZS-30 |
| ZrO2 % | ≥65 | ≥60 | ≥8 | ≥30 |
| Al2O3 % | - | - | ≥72 | ≥49 |
| SiO2 % | ≤18 | ≤8 | ≤18 | ≤18 |
| Fe2O3 % | ≤0.3 | ≤0.5 | ≤0.5 | ≤1.0 |
| Bulk density g/cm3 | ≥3.7 | ≥3.5 | ≥2.8 | ≥3.2 |
| Apparent porosity % | ≤18 | ≤18 | ≤20 | ≤20 |
| Cold compression strength MPa | ≥100 | ≥100 | ≥100 | ≥100 |
| Refractoriness under load ℃ (0.2MPa,0.6%) | ≥1650 | ≥1630 | ≥1700 | ≥1650 |
Performance: Zircon corundum has excellent high-temperature stability, capable of maintaining structural stability in high-temperature environments without easily deforming. It has good chemical stability and strong resistance to corrosion from various chemicals. Additionally, this material has high mechanical strength and excellent wear resistance, able to withstand significant pressure and frequent friction.
Application: In the glass industry, sintered zircon corundum is commonly used in key parts of glass melting furnaces, such as tank walls and flow holes, significantly extending the furnace's service life and improving glass quality. In the metallurgical industry, it is widely used in the submerged nozzles of continuous casting of molten steel, where its excellent performance ensures smooth casting processes. Furthermore, it has important applications in ceramics, refractory materials, and other fields, helping to enhance the overall performance of products.
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