指标 |
高铝砖 |
|||
LZ-75 |
LZ-65 |
LZ-55 |
||
化学成分(wt%) |
Al2O3 |
≥75 |
≥65 |
≥55 |
显气孔率(%) |
≤23 |
≤23 |
≤22 |
|
常温耐压强度(MPa) |
≥55 |
≥50 |
≥45 |
|
荷重软化温度(℃) |
0.2MPa,0.6% |
≥1520 |
≥1500 |
≥1450 |
重烧线变化(%) |
1500℃×2h |
-0.4~0.1 |
-0.4~0.1 |
-0.4~0.1 |