Product name | Brand QT | Chemical composition% | Bulk density(g/cm³) | Compressive strength | Lexural strength | Linear change rate(%) | Maximum temperature℃ | Add water quantity% | Location of use | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Al2O3 | Al2O3+Cr2O3 | Al2O3+MgO | 110℃ |
1350℃ (1500℃) |
110℃ |
1350℃ (1500℃) |
110℃ |
1350℃ (1500℃) |
110℃ |
1350℃ (1500℃) |
|||||
Low cement high aluminum castable | H21 | 60-70 | 2.5-2.6 | 2.5-2.6 | >60 | >80 | >10 | ±0.1 | ±0.1 | 1550 | 5.8-6.0 | Furnace wall, furnace top | |||
H11 | 50-60 | 2.3-2.4 | 2.3-2.4 | >50 | >80 | >12 | ±0.1 | ±0.1 | 1550 | 6.5-7.0 | Furnace wall, furnace top |