类别指标                       HZ-DR01     HZ-DR02     HZ-DR03     HZ-DR04     HZ-DR05

轻质氧化镁的分子式MgO，分子量40.31。

重质氧化镁为白色或淡黄粉末。与水易化合，露置空气中易吸收水分和二氧化碳。与溶液混合易胶凝硬化。

氧化镁Mgo≥             99.8             99.5              99.2             99.0               99
氧化Ca≤                 0.001          0.003             0.003           0.005            0.01
盐≤                      0.03            0.05               0.05             0.06             0.05
铁Fe≤                        0.001          0.005             0.005           0.008            0.02
化物Cl≤                  0.003          0.003             0.003           0.005            0.02
氧化铝Al0≤                0.001          0.002              0.03             0.05             0.06
酸不溶≤                       0.1             0.1                  0.1               0.1               0.1
白度≤                           93              93                  92                90                90
密度g/ml≤                 3.58            3.58               3.58              3.5               3.58
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