MZ-97A | MZ-97B | MZ-95A | MZ-95B | MZ-93 | MZ-91 | |
MgO (%)≥ | 97 | 96.5 | 95 | 94.5 | 93 | 91 |
SiO2 (%)≤ | 1.0 | 2.0 | 2.0 | 2.0 | 3.5 | – |
CaO (%)≤ | – | – | 2.0 | 2.0 | 2.0 | 3.0 |
Apparent porosity (%)≤显气孔率 | 16 | 18 | 16 | 18 | 18 | 18 |
Cold Crushing Strength (MPa)≥ 低温耐压强度 |
60 | 60 | 60 | 60 | ||
Refractoriness Under Load 0.2MPa℃≥ 荷重耐火度 |
1700 | 1650 | 1620 | 1560 | ||
Reheat test,permanent linear change after heating at (1650℃,2h)% 烧后永久线变化 |
0~ – 0.2 | 0~ – 0.3 | 0~ – 0.4 | 0~ – 0.4 |
陶瓷纤维毯采用无炉衬水冷壁电阻炉连熔、连甩工艺成纤,双面
电炉炉底用耐火干式捣打料采用优质菱镁矿和Fe2O3-CaO菱镁矿制成
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