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The Advanced Refractory Solution for Extended Campaign Life in Harsh Environments
1. Chromium + Zirconia: 11-20%
2. Standard Size: 230*114*65mm
3. Benefits:
• Superior Corrosion Resistance
• Excellent Thermal Shock Stability
• Thermal Shock Resistance
Sintered Al₂O₃-ZrO₂-Cr₂O₃ is a premium tri-component refractory material engineered for extreme industrial environments. It synergizes high-purity alumina (Al₂O₃), zirconia (ZrO₂) for transformation toughening, and chromium oxide (Cr₂O₃) for superior corrosion resistance, delivering exceptional performance where others fail.
Key Advantages:
Exceptional Corrosion Resistance: Outstanding resistance to acidic/basic slags, alkalis, and reducing atmospheres.
Superior Thermal Shock Stability: The ZrO₂ toughening mechanism provides unparalleled resistance to spalling and crack propagation under rapid temperature cycling.
High Mechanical Strength: Maintains structural integrity and load-bearing capacity under high temperatures and stress.
This material is the definitive solution for critical zones in glass furnace regenerators, chemical process kilns, and waste incineration systems, ensuring extended service life and maximized operational efficiency.
Sintered Al₂O₃-ZrO₂-Cr₂O₃ refractory is specifically engineered for critical applications in industries where extreme temperatures, corrosive environments, and thermal cycling are prevalent. Its superior performance makes it the material of choice for:
Glass Industry: Primarily used in glass furnace regenerators as checker bricks, where it excels at resisting alkaline vapor condensation (e.g., soda ash) and thermal shock during reversing cycles. It is also suitable for certain areas of the superstructure and in furnaces for specialty glass.
Waste Treatment & Incineration: Employed in waste melting furnaces and incinerators to withstand the aggressive combination of fluctuating temperatures, acidic slags, and alkaline deposits from burnt waste.
Metallurgical Industry: Used in specific zones of heat treatment furnaces and other high-temperature processing units where resistance to scale and atmosphere is crucial.
| Properties ⁄ Products | Cr₂O₃ (%) |
ZrO₂ (%) |
Al₂O₃ (%) |
SiO₂ (%) |
Fe₂O₃ (%) |
Apparent Porosity (%) |
Bulk Density (g/cm) |
Cold Crushing Strength (MPa) |
Refractoriness Under Load T0.5 (℃) |
Thermal Shock Resistanc 950℃ (Cycles) |
|
| Sintered AlzOa-Cr₂O₃ | AC-8 | ≥8 | <5 | ≥83 | ≤3.5 | ≤0.2 | ≤16.8 | ≥3.15 | ≥100 | ≥1700 | ≥15 |
| AC-10 | ≥10 | <5 | ≥81 | ≤3.5 | ≤0.2 | ≤16.8 | ≥3.20 | ≥100 | ≥1700 | ≥15 | |
| AC-12 | ≥12 | <5 | ≥79 | ≤3.0 | ≤0.2 | ≤17 | ≥3.25 | ≥100 | ≥1700 | ≥15 | |
| AC-15 | ≥15 | <5 | ≥77 | ≤2.5 | ≤0.2 | ≤17 | ≥3.30 | ≥100 | ≥1700 | ≥15 | |
In practical applications, selection should be based on comprehensive evaluation of glass composition, melting temperature, design lifespan and other parameters. We provide professional material selection services including performance parameter analysis, service life prediction, and cost-benefit evaluation. Request a quote now!
