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

轻质氧化镁微溶于纯水及，能溶于酸或盐溶液。

轻质氧化镁熔点为2852℃，沸点3600℃。

硅PU氧化镁可以使产品能渗透不同材质基础毛孔， 产生高强度附着力，与基础粘合。
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