1.type: SK32,34,36,38 2.refractoriness: >1710C 3.bulk density: >2.05g.cm3 4.porosity: >20% 5.size: STD or shaped
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 bricks use Chamotte that the fire clay is calcinated as the main material. These bricks consist of fire clay and binder.
The main applications are the low temperature parts such as blast furnaces and hot blast furnaces, waste incinerators and glass melting furnaces
refractory fire clay bricks(SK32,34,36,38)
