Refractory bricks have many kinds, including fireclay refractory bricks, alumina bricks, silica refractory bricks, AZS refractory bricks Alumina-Zirconia-Silica bricks and etc.
Here below is the specification of fireclay refractory bricks and AZS refractory bricks. If you need other bricks specification please send email to us.
Fireclay refractory bricks:
| Item | Fireclay Brick |
| SK32 | SK34 |
| Al2O3 (%) ≥ | 38 | 42 |
| Refractoriness (°C) ≥ | 1670 | 1730 |
| Refractoriness under Load (°C) ≥ | 1250 | 1300 |
| Linear Change (%) (2hour) | 1350 °C | 1350 °C |
| -0.5 | -0.5 |
| Porosity (%) ≤ | 26 | 26 |
| Cold Crushing Strength, MPa ≥ | 15 | 20 |
AZS refractory bricks :(Fused cast Alumina-Zirconia-Silica bricks refractory bricks)
| Item | AZS-41 | AZS-36 |
| ZrO2 (%) ≥ | 40-41 | 35-36 |
| SiO2 (%) ≤ | 12.5 | 14 |
| Na2O ≤ | 1.2 | 1.8 |
| Fe2O3 ≤ | 0.15 | 0.15 |
| TiO2 ≤ | 0.10 | 0.10 |
| B.D. (g/cm3) ≥ | 4.12 | 3.98 |
| C.C.S (Mpa) ≥ | 350 | 350 |
| Linear Thermal Expansion (%) | At 1000°C | 0.80 | 0.80 |
| At 1500°C | 0.80 | 0.80 |
| Thermal Conductivity | At 600°C | 3.3 | 3.4 |
| At 1500°C | 3.5 | 3.6 |
| Electrical Resistance | At 1000°C | 400 | 200 |
| At 1500°C | 90 | 55 |
| Glass Phase Exudation(%)1500°C 16hour | ≤2 | ≤3 |
