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Heat-resistant corundum concrete - B??
Conventional heat-resistant corundum concretes based on normal aloxite
B??K | Granularity | 0 - 2 [mm] |
| Aggregate
type | normal aloxite |
| Maximal working temperature | 1000 [°C] |
| Common refractiveness | min. 1200 [sP] |
| Al2O3content | 36 [%] |
| Concrete consumption | 2,8 [t/m3] |
| Make-up water
amount | 10 [l/100kg] |
| Setting time | 140 [h] |
| Shear strength in 110 °C temperature | 25 [Mpa] |
| Shear strength
in working temperature | 15 [Mpa] |
| Shear strength in 1000 °C temperature |
0,75-0,8 [W/mK] |
| Contraction (-) in 1500 °C | - 0,3 [%] |
B??K-1 | Granularity |
0 - 2 [mm] |
| Aggregate type | normal aloxite |
| Maximal working temperature | 1250 [°C] |
| Common
refractiveness | min. 1410 [sP] |
| Al2O3content | 42 [%] |
| Concrete
consumption | 3,0 [t/m3] |
| Make-up water amount | 10 [l/100kg] |
| Setting time | 135 [h] |
| Shear strength in
110 °C temperature | 35 [Mpa] |
| Shear strength in working temperature | 25 [Mpa] |
| Shear strength in 1000 °C temperature | 0,75-0,8
[W/mK] |
| Contraction (-) w temp.1500
°C | - 0,3 [%] |
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FIBROUS MATERIALS