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石灰窑-套筒窑用镁砖、镁铝尖晶石砖 》
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牌号指标 |
MZ-97 |
MAS-85A |
MAS-85B |
MgO(%)≥ |
97.0 |
85 |
83 |
Al2O3 (%)≤ |
0.6 |
11-13 |
11-13 |
CaO (%)≤ |
1.2 |
1.5 |
1.5 |
SiO2(%)≤ |
0.8 |
1.0 |
1.2 |
Fe2O3(%)≤ |
0.8 |
0.8 |
0.8 |
体密BD(g/cm3)≥ |
3.0 |
2.95 |
2.90 |
显气孔率AP(%)≤ |
17 |
17 |
17 |
常温耐压强度(Mpa)≥ |
50 |
55 |
55 |
0,2Mpa荷重软化温度(T0.6)≥(℃) |
1730 |
1700 |
1680 |
热震稳定性(970℃风冷)≥(次) |
3 |
15 |
15 |
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