// SPEC · Refractory Bricks
Phosphate-Bonded Fireclay Brick Al2O3 42%
Phosphate-bonded fireclay brick, Al2O3 42%, max 1420°C. Cold-setting repair and relining for coke ovens, rotary kiln patching, and emergency furnace maintenance in steel and cement plants.
// Key Features
- Rapid cold-setting bond eliminates high-temperature kiln firing requirement
- High initial green strength enabling fast repair turnaround
- Good adhesion compatibility with existing fired refractory linings
- Retained mechanical strength after repeated thermal cycling to 1420°C
// Technical Specifications
| Al2O3 (%) | ≥42 |
| Fe2O3 (%) | ≤2.0 |
| Apparent Porosity (%) | ≤19 |
| Cold Crushing Strength (MPa) | ≥55 |
| Refractoriness Under Load (°C) | ≥1350 |
// Applications
Coke oven wall hot repairRotary kiln spot patching and reliningBlast furnace tuyere zone emergency repairSteel ladle preheating station lining patchReheat furnace skid pipe sleeve replacement
// Quick Specs
Max Temperature1420°C
Thermal Conductivity1.1 W/(m·K) at 600°C
Density2.32 g/cm³
StandardGB/T 2493
// Get Pricing
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