| 详细介绍: 项    目                   指标    MgO≥ 74                  CaO≥ 20  ∑(A+F+S)%                 ≤  3.5  显气孔率,                 %≤  8  常温耐压强度,             MPa≥ 55  0.2MPa荷重软化开始温度,  ℃≥ 1700 
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