:
Ash content ( wt % ) :
A: Blow 5%
B: Blow 10%
C: 10 - 15 %
D: 15 - 20%
E: 20 - 30%
Moisture content ( wt % ) 0.5 - 5
Volatile mater ( wt % ) 60 - 65
Fixed carbon 25 - 35
Solubility in cs2 ( wt % ) 85 - 90
Solubility in tce ( wt % ) 60 - 70
Normal Heptan in sol ( wt % ) 60 - 70
Specific Gravity ( 25 c) 1.1 - 1.2
color Black
Softening point 190 - 230
Penetration ( 25 c) 0 - 2
Carbon ( wt % ) 75 - 82
Hydrogen ( wt % ) 6 - 9
Nitrogen ( wt % ) 0.8 - 1.5
Sulphur ( wt % ) 3 - 6
Oxygen ( wt % ) 1.5 - 2.5