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Fuel Oil
Fuel Oil
Fuel oil (also known as heavy oil, marine fuel or furnace oil) is a fraction obtained from petroleum distillation, either as a distillate or a residue. In general terms, fuel oil is any liquid fuel that is burned in a furnace or boiler for the generation of heat or used in an engine for the generation of power, except oils having a flash point of approximately 42 °C (108 °F) and oils burned in cotton or wool-wick burners. Fuel oil is made of long hydrocarbon chains, particularly alkanes, cycloalkanes and aromatics. The term fuel oil is also used in a stricter sense to refer only to the heaviest commercial fuel that can be obtained from crude oil, i.e., heavier than gasoline and naphtha.
Fuel Oil Specifications
| Test | Method | Specification | ||
|---|---|---|---|---|
| FO6 Grade |
FO15 Grade |
FO27 Grade |
||
| Relative Density at 15/15°C, g/ml | P : 16 or 32 | To be reported | To be reported | To be reported | Water Content, %v | P : 40 | Max. 1.0 | Max. 1.0 | Max. 1.0 |
| Flash Point (P.M.C.C), °C | P : 21 | Min. 66 | Min. 66 | Min. 66 | Viscosity (Kinematic @ 50°C, cSt) | P : 25 | Min. 125 Max. 180 |
Min. 125 Max. 180 |
Min. 125 Max. 180 |
| Sulphur, %w | ASTM Max. 4.0 | Max. 4.0 | Max. 4.0 | Max. 4.0 |
| Acidity (Inorganic), mg KOH/g | P : 2 | NIL | NIL | NIL |
| Sediment by Extraction, %w | P : 30 | Max. 0.25 | Max. 0.25 | Max. 0.25 |
| Ash, %w | P : 4 | Max. 0.1 | Max. 0.1 | Max. 0.1 |
| Gross Cal Value (calculated) kcal/kg | P : 7 | To be reported | To be reported | To be reported |
| Pour Point, °C | P : 10 | Max. 6 | Max. 15 | Max. 27 |