Refractory Clay Brick
DKJL CO., LTD. [China] 
1.type: SK32,SK34,SK36,SK38; 2. refractoriness>1710C
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 |
Refractory Clay Brick
