Silica bricks for glass furnaces, coke ovens and foundries according to customer requirements;
In general, silica bricks are used for coke and annealing furnace, covering the walls of the furnaces, in high heat areas of melting furnaces.
| SiO2 | max (%) | 94-96 |
|---|---|---|
| Al2O3 | min (%) | 1.5-1.0 |
| Fe2O3 | min (%) | 0.8-1.5 |
| Apparent porosity | (%) | 22-24 |
| Cold crushing strength | (MPa) | 30-45 |
| Refractoriness under load | (ºC) | 1650-1680 |
| Thermal expansion coefficient (1000ºC) | (%) | 1.25-1.30 |
| Bulk density | (g/cm ³) | 2.34-2.35 |
Note: Chemical & Physical specifications above are avarage values. It may change according to manufacturing and project.
Applications
- Glass furnaces
- Coke ovens
- Foundries
Features
- High silicon oxide content
- Acid erosion resistance.
- No shrinking in reheating.
- High grade refractoriness.
Availability
- Standard size silica bricks.
- In our section, we are cutting, drilling, engraving bricks & blocks according to customer requirements.
