-
●Molecular weight：69.49
●Colour：gray
●Boron content：≥30%
●Density：4.52g/cm3
-
●Molecular weight：112.8
●Colour：gray
●Boron content：≥10.8%
●Density：6.08g/cm3
-
●Molecular weight：202.5
●Colour：gray
●Boron content：≥10.2%
●Density：9.14g/cm3
-
●Molecular weight：186.87
●Colour：Off-white
●Boron content：≥5.7%
●Density：7.39g/cm3
-
●Molecular weight：203.7
●Colour：purple
●Boron content：≥31.4
●Density：4.7g/cm3
-
●Molecular weight：92.95
●Colour：Gray-black
●Boron content：≥68.9%
●Density：3.0g/cm3
-
●Molecular weight：200
●Colour：gray
●Boron content：≥10.2%
●Density：10.5g/cm3
-
●Molecular formula：YB4/YB6
●Crystal structure： tetragonal crystal
●Density：4.32 g/cm3
●：
-
●Molecular formula：AlB2
●Melting point：1655 ℃
●Density：3.19g/cm3
●：
-
●Molecular formula：MgB2
●Melting point：830℃
●Density：2.57g/cm3
●：
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