This is the specification of the Indonesia Steam Coal of GCV6300-6100.

Coal Quantity	Guaranteed	Reject
Total Moisture (ARB) Inherent Moisture Gross Calorie Value Ash Content (ADB) Volatile Matter Total Sulphur Fixed Carbon HGI (Point) Size (0 – 50mm)	17 %  10 % Approx 6,300 Kcal/Kg 6 % 41 % 0.8 % Max By Different 51 90 %	Below 6,100 Kcal/Kg