Customized qualified product alumina silica refractory brick for sale
Alumina Silica Fire Brick For Sale in RS Refractory Company is a kind of alumina silica refractory materials with features of high refractoriness, good erosion resistant and high strength. Alumina Silica Refractory Brick includes many types of firebricks such as Silica Bricks, Fireclay Brick, High Alumina Brick and Corundum Brick. Alumina Silica Fire Brick For Sale can be used for all kinds of thermal equipment.
Item/Grade | High Alumina Refractory Brick | |||
SK-36 | SK-37 | SK-38 | SK-40 | |
Al2o3% (≥) | 55 | 65 | 70 | 82 |
Fe2o3% (≤) | 2.0 | 2.0 | 2.0 | 2.0 |
Refractoriness (SK) | 36 | 37 | 38 | 40 |
Refractoriness under load, 0.2MPa, ℃ (≥) | 1450 | 1480 | 1530 | 1600 |
Porosity(%) | 20-23 | 20-23 | 20-22 | 18-20 |
Density(g/cm3) | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
Cold crushing strength, MPa (≥) | 45 | 50 | 60 | 70 |