Refractory low-cement chamotte concrete prefabricates
| Symbol | Granularity [mm] |
Max. working temp.[oC] |
Min. common refractoriness [sP] |
Min. Al2O3 content [%] |
BOS125/N |
0-3 / 0-5 | 1250 | 167 | 30 |
BOS135/N |
0-3 / 0-5 | 1350 | 169 | 32 |
BOS145/N |
0-3 / 0-5 | 1450 | 177 | 42 |
Technical parameters after drying and baking
| Symbol | after drying in 110 °C | after baking in working temperature | |||||
| Effective porosity [%] |
Apparent density [g/cm3] |
Shear strength [MPa] |
Effective porosity [%] |
Apparent density [g/cm3] |
Shear strength [MPa] |
Contraction (-) [%] | |
BOS125/N |
23 | 2,0 | 30 | 24 | 2,0 | 40 | - 1 |
BOS135/N |
22 | 2,15 | 30 | 22 | 2,15 | 45 | - 1 |
BOS145/N |
20 | 2,2 | 35 | 22 | 2,3 | 60 | - 1 |
FIBROUS MATERIALS