Corundum-alumina castables SBKM-1
Corundum-alumina castables SBKM-1 as per STO 13706960-013-2008
Castablesofcorundum-alumina composition are designed for:
- monolithic lining of the hot face layer in steel-teeming and steelmaking units;
- monolithic lining of the backup layer in steel-teeming and steelmaking units;
- monolithic lining of heat units operating at the temperature up to 1700оС;
- manufacture of castable products.
|
Properties |
Rating |
|
1. Weighted ratio, %
|
70
|
|
2. Loss on ignition, %, max. |
3.0 |
|
3. Compressive strength after firing:
|
40
|
|
4. Apparent density, g/cm3:
|
2.5
|
|
5. Porosity, max.,% |
22 |
|
6. Refractoriness, оС, min. |
1700 |
|
7. Grain size, %:
|
35
|
|
8. Thermal stability 13000С – water, thermal cycling, min. |
15 |
