We are a steam coal supplier / miner direct from South & east kalimantan. We supply gcv up to 5, 500 kical with detail spec below: 
1. Total moisture (ar) 	 12% max. 
Inherent moisture (adb) 7% max. 
Ash (adb) 15% max. 
Volatile matter (adb) 41% approx. 
Fixed carbon (adb) 	 by difference. 
Sulphur (adb) 1% max. 
Gross caloric value (adb) 6500 kcal / kg min. 
Hgi	 40 min. 
2. Total moisture (ar) 	 12% max. 
Inherent moisture (adb) 7% max. 
Ash (adb) 	 17% max. 
Volatile matter (adb) 41% approx. 
Fixed carbon (adb) 	 by difference. 
Sulphur (adb) 1% max. 
Gross caloric value (adb) 6300 kcal / kg min. 
Hgi	 40 min. 
3. Total moisture (ar) 	 12% max. 
Inherent moisture (adb) 7% max. 
Ash (adb) 21% max. 
Volatile matter (adb) 41% approx. 
Fixed carbon (adb) 	 by difference. 
Sulphur (adb) 	 1% max. 
Gross caloric value (adb) 	6000 kcal / kg min. 
Hgi	 45 min. 
4. Total moisture (ar) 	 28% max. 
Inherent moisture (adb) 15% max. 
Ash (adb) 12% max. 
Volatile matter (adb) 41% approx. 
Fixed carbon (adb) by difference. 
Sulphur (adb) 	 0. 8% max. 
Gross caloric value (adb) 5800 kcal / kg min. 
Hgi	 45 min. 
General spesification according to ISO standard methods by sucofindo
Kindly provide your full LOI (letter of intent) detail (calorific value, quantity per month, FOB barge / FOB vessel, payment term, etc) before we make our full fco.