// SPEC · Refractory Bricks
AZS Fused Cast Brick ZrO2 41% (AZS 41#)
AZS 41# ultra-premium fused cast brick with ZrO2 41% for glass furnace bottom paving and high-erosion doghouse zones. Maximum zirconia content delivers best-in-class glass melt resistance for float glass and solar glass furnaces.
// Key Features
- Highest ZrO2 content in AZS series for maximum glass erosion resistance
- Ultra-low porosity (<0.5%) for minimal glass contamination in bottom zones
- Excellent refractoriness under load for bottom paving applications
- Low exudation rate extending furnace campaign life in high-wear areas
// Technical Specifications
| SiO2 (%) | ≤13.0 |
| ZrO2 (%) | ≥41.0 |
| Al2O3 (%) | ≥45.0 |
| Apparent Porosity (%) | ≤0.5 |
| Bulk Density (g/cm³) | ≥3.58 |
// Applications
Float glass furnace bottom paving blockGlass furnace doghouse high-erosion zoneBorosilicate glass furnace bottom liningSolar glass furnace critical glass-contact zonesSpecialty optical glass furnace maximum wear areas
// Quick Specs
Max Temperature1700°C
Thermal Conductivity2.6 W/(m·K) at 1000°C
Density3.60 g/cm³
StandardYB/T 391
// Get Pricing
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