Coking Coal

Total moisture 28.7%
Inherent moisture 11.6%
Ash Content (Air Dry Basic) 5.8%
Volatile Matter 44.3%
Sulphur 1 % max
Fixed Carbon 38.3%
HGI 52%
Ash Fusion Temperature 1,250 C
MgO + Na2O in Ash 1.5 - 4 %
K2O in Ash 1.5 - 2.0 %
Ratio of Si02/AL 203 in Ash 2.5 max