-
●Molecular weight:66
●Colour:gray
●Nitrogen content:8-20%
●Density:6.1g/ cm3
-
●Molecular weight :194.9
●Colour:gray
●Nitrogen content:≥6.8
●Density:13.4g/m3
-
●Molecular weight:192.5
●Colour:yellow
●Nitrogen content:≥7.0%
●Density:13.2g/cm3
-
●Molecular weight:105.2
●Colour:light yellow
●Nitrogen conten:≥13.1%
●Density:7.09g/cm3
-
●Molecular weight:61.89
●Colour:Golden
●Nitrogen content:≥21%
●Density:5.43 g/ cm3