NGB 155 high-aluminum refractory mix
| Granularity [mm] |
Aggregate type | Max. working temp.[oC] |
Min. common refractoriness sP |
Min. Al2O3 content [%] |
Mass consumption [t/m3] | Make-up water amount [l/kg] |
0-5 |
bauxite | 1550 | 177 | 79 | 2,55 | 11 |
Technical properties after drying in 110 °C :
Effective porosity - max.19%
Apparent density - 2,48 g/cm3
Shear strength min. 25MPa
Technical properties after baking in 1500 °C :
Effective porosity - max.23%
Apparent density - 2,47 g/cm3
Shear strength min. 20MPa
Contraction - max.(-1,5%)