Fuel Oil (FO) Non-Bunker.

Sl. No. Characteristics Unit Method No. Requirement
Grade  LV Grade MV1 Grade MV2 Grade HV
1 Acidity, inorganic mg KOH/g ASTM D974/

IP 139

Nil Nil Nil Nil
2 Ash, Max % by mass IS 1448 [P: 4] 0.1 0.1 0.1 0.1
3 Carbon residue, mAX % by

mass

IS 1448 [P:122]/ISO 10370 14 16 18 20
4 Gross Calorific value cal/g IS 1448 [P:7]/[P:6] Not limited but to be reported
5 Density at 15°C kg/m3 or Relative density at 15.6/15.6°C IS 1448 [P: 16] or

IS 1448 [P: 32]

Not limited but to be reported
6 Flash point, Pensky-Martens (Closed), Min °C IS 1448 [P:21] 66 66 66 66
 

7

Kinematic viscosity at 50°C Above  cSt IS 1448 [P:25]/

ISO 3104

80 Max 80 125 180
Up to 125 180 380
8 Sediment, Max % by mass IS 1448 [P:30] 0.25 0.25 0.25 0.25
9 Sulphur, total, Max % by mass IS 1448 [P:33]/

ISO 8754

3.5 4.0 4.0 4.5
10 Water content, Max % by volume IS 1448 [P:40]/

ISO 3733

1.0 1.0 1.0 1.0