refractory brick
DKJL CO., LTD. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
The main applications of clay brick are the low temperature parts such as blast furnaces and hot blast furnaces
Item | SK-32 | SK-34 | SK-36 | SK-38 |
Al2O3 (%) | 35 | 38 | 55 | 70 |
Fe2O3 (%) | 3.00 | 2.50 | 2.00 | 2.00 |
Refractoriness(SK) | 32 | 34 | 36 | 38 |
Refractoriness | 1710 | 1730 | 1760 | -- |
Refractoriness under load0.2MPa | 1300 | 1350 | 1450 | 1520 |
Porosity (%) | 22-26 | 20-24 | 20-23 | 20-22 |
Bulk density (g/cm3) | 2.05 | 2.10-2.2 | 2.25-2.35 | 2.40-2.50 |
Cold crushing strength (MPa) | 22 | 25 | 45 | 50 |
Thermal expansion at 1000°C (%) | 0.6 | 0.6 | 0.3 | 0.2 |
Clay brick use Chamotte that the fire clay is calcinated as the main material. These bricks consist of fire clay and binder. The chemical components of these bricks are SiO2 and Al2O3
