Refractory conventional high-aluminum concrete prefabricates based on andalusite (BW-A/150) and bauxite (BW-B/150)
Symbol | Granularity [mm] |
Max. working temp.[oC] |
Min. common refractoriness [sP] |
Min. Al2O3 content [%] |
BW-A/150 |
0-3 / 0-5 | 1500 | 177 | 60 |
BW-B/150 |
0-3 / 0-5 | 1500 | 179 | 82 |
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 (-) [%] | |
BW-A/150 |
18 | 2,35 | 30 | 19 | 2,35 | 60 | - 1 |
BW-B/150 |
24 | 2,6 | 30 | 20 | 2,6 | 50 | - 1,5 |
Refractory low-cement high-aluminum concrete prefabricates based on andalusite (BW-A/150) and bauxite (BW-B/150)
Symbol | Granularity [mm] |
Max. working temp.[oC] |
Min. common refractoriness [sP] |
Min. Al2O3 content [%] |
BW-A/150/N |
0-3 / 0-5 | 1500 | 177 | 60 |
BW-B/150/N |
0-3 / 0-5 | 1500 | 179 | 80 |
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 (-) [%] | |
BW-A/150/N |
15 | 2,6 | 50 | 16 | 2,55 | 90 | - 0,8 |
BW-B/150/N |
22 | 2,7 | 45 | 23 | 2,8 | 70 | - 1,8 |