// SPEC · Refractory Bricks
Mullite-Bonded Fireclay Brick Al2O3 45%
Mullite-bonded fireclay brick, Al2O3 45%, max 1450°C. Enhanced thermal shock resistance and structural integrity for ceramic shuttle kilns, steel heat treatment furnaces, and glass lehrs.
// Key Features
- Excellent thermal shock resistance derived from in-situ mullite bonding phase
- Superior high-temperature strength retained at operating temperatures ≥1400°C
- Low thermal expansion coefficient reducing spalling and joint failure risk
- Extended campaign life under rapid heating and quenching duty cycles
// Technical Specifications
| Al2O3 (%) | ≥45 |
| Fe2O3 (%) | ≤1.5 |
| Apparent Porosity (%) | ≤20 |
| Cold Crushing Strength (MPa) | ≥40 |
| Refractoriness Under Load (°C) | ≥1400 |
// Applications
Ceramic shuttle kiln car and sidewallSteel plate heat treatment furnace liningGlass lehr conveyor arch and crownForging furnace door and hearthAluminum melting furnace upper structure
// Quick Specs
Max Temperature1450°C
Thermal Conductivity1.1 W/(m·K) at 600°C
Density2.30 g/cm³
StandardGB/T 2493
// Get Pricing
WhatsApp Us