鎂鋁質耐火材料
?????????????????????? ? ?? ? ?? 牌號
指標 |
HML80 |
HMT85 |
HMT88 |
HMTGe85 |
HMLJ?8 |
HMTJ12 |
Mgo(%)≥ |
80 |
85 |
88 |
85 |
84 |
82 |
AL2O3(%) |
5-10 |
5-8 |
5-8 |
(AL2O3+Cr2O3)5-8 |
8-13 |
12-14 |
顯氣孔率(%)≤ |
18 |
18 |
18 |
18 |
18 |
19 |
常溫耐壓強度(MPa)≥ |
40 |
40 |
40 |
40 |
40 |
40 |
荷重軟化點(°C)≥ |
1600 |
1650 |
1700 |
1660 |
1700 |
1700 |
熱穩定性1100°C一次吸水 |
3-6 |
3-6 |
3-6 |
3-6 |
5-10 |
5-10 |
?? 體積密度
(g/cm3)≥ |
2.85-3.0 |
2.58-3.0 |
2.90 |
2.86-3.0 |
2.90-3.05 |
2.85-3.05 |
|