AZS brick Cruciform
Fused cast zirconia-alumina-silica blocks
Application
Regenerator checkerwork
Description
Electrofused AZS cruciform bricks are third-generation checker bricks for regenerators of glass melting furnaces. They have higher corrosion resistance compared to cylindrical bricks (second generation, Chimney Block).Specifications
| Item | БК-33/AZS-33 |
|---|---|
| Al2O3, % | ≥50.00 |
| ZrO2, % | ≥32.50 |
| SiO2, % | ≤15.00 |
| Na2O+K2O, % | ≤1.30 |
| Bulk Density g/cm3 | ≥3.75 |
| Apparent Porosity % | ≤1.2 |
| Cold Crushing Strength MPa | ≥200 |
| Glass phase exudation temperature °С | ≥1400 |
| Bubble Evolution Rate 1300°С×10h | ≤1.2 |
| Static Corrosion Rate by Molten Glass 1500°С×36h (mm/24 h)% | ≤1.4 |
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