Preferred quality parameters for metallurgical coal 
Technical Particulars Unit ICVL - COAL 1 ICVL - COAL 2 ICVL - COAL 3 ICVL - COAL 4
    Desired Spec Abs Max/ Abs. Min. Tol. Limit Desired Spec Abs Max/ Abs. Min. Tol. Limit Desired Spec Abs Max/ Abs. Min. Tol. Limit Desired Spec Abs Max/ Abs. Min. Tol. Limit
Total Moisture  % Max 8 12 8 11 8 11 8 11
(On "As received basis")
Proximate Analysis                   
(On "Air Dried basis")                   
(BS 1016-1973 Part-3)                  
a)   Volatile Matter  % 20-32 20-32 20-34 20-34 20-32 32 Max 22-32 32 Max
b)    Ash  % Max 8 10 8 10 10 10 10 10
Sulphur (BS 1016-1973) % Max 0.6 1 0.5 0.85 0.5 0.6 0.5 0.6
CSN (ISO/501 -1974) Min 5 5 3 3 3 3 3 3
MMR (ISO/7404) % 1.15-1.35 1.15-1.4 0.9-1.35 0.85-1.35 1.0-1.4 1.45 max 1.0-1.4 1.45 max
Vitrinite percentage (ISO/7404) % Min 55 50 45 45 45 45 50 50
Vitrinite Distribution  (V9-V14)  % Min 80 75 Not Applicable Not Applicable Not Applicable
 (ISO/7404)
Maximum Fluidity (ASTM D 2639) Min       (ddpm) 300 300 150 150 200 200 200 200
Micro fines Size fraction (< 0.5mm) % Max Not Applicable 25 30 Not Applicable Not Applicable
Note : For ICVL Coals-2,3,4: Coal(s) offered should be from single identifiable mine/seam
Preferred quality parameters for Thermal Coal
Technical Particulars Unit Desired Spec
Total Moisture  % age < 30 ( from Indonesia)
< 10 ( from other countries)
a)   Volatile Matter  % age 20-30
b)    Ash (washed coal) % age < 33
Sulphur  % Max 0.6
Calorific Value Cal/kg >5000
Fixed Carbon/ VM ratio   <1.5