指標 |
高鋁磚 |
|||
LZ-75 |
LZ-65 |
LZ-55 |
||
化學成分(wt%) |
Al2O3 |
≥75 |
≥65 |
≥55 |
顯氣孔率(%) |
≤23 |
≤23 |
≤22 |
|
常溫耐壓強度(MPa) |
≥55 |
≥50 |
≥45 |
|
荷重軟化溫度(℃) |
0.2MPa,0.6% |
≥1520 |
≥1500 |
≥1450 |
重燒線變化(%) |
1500℃×2h |
-0.4~0.1 |
-0.4~0.1 |
-0.4~0.1 |