Light castable
| 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℃) |
|||||
| Light castable | Q71 | ＞30 | 0.8-1.0 | ＞4.0 | W/m.K700℃ | ＜0.35 | ＜-0.5(1000℃) | 1250 | Protective layer | ||||||
| Q41 | ＞40 | 1.3-1.5 | ＞10 | ＜0.45 | ＜-0.5(1000℃) | 1350 | |||||||||
| Q21 | ＞45 | 1.8-2.0 | ＞20 |
＜0.60 |
＜-0.5(1000℃) | 1400 | |||||||||
