High alumina brick
| 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℃) | |||||
| High alumina brick | LZ-55 | ＞55 | 2kgf/c㎡Softening temperature under load≥1320℃ | Apparent porosity%＜23 | (-0.7-+0.2) | 1550 | Heating zone | ||||||||
