Furnace oil is a dark viscous residual product used as a fuel in different types of combustion equipment. It conforms to IS 1593-1982 for fuel oils. Presently MV-2 grade (kinematic viscosity range of 125 to 180 CST at 50°C) conforming to this specification is being marketed.
| CHARACTERISTICS | INSPECTIONS | REQUIREMENT | METHOD OF TEST |
|---|---|---|---|
| Acidity, indrganic | Nill | Nill | ASTM D 974 |
| Ash, percent by mass | 0.04 | 0.1 Max | IS 1448 P-4 |
| Carbon residue, mass percent | 7.2 | 18 Max | ISO 10370 |
| Gross, calorific value | 10285 | To be reported | IS 1448 P-7 |
| Density at 15°C, kg/m3 | 953.6 | To be reported | IS 1448 P-16 |
| Flash pion pensky Martens (closed),°C | 79.0 | 66 Min | IS 1448 P-21 |
| Kinematic viscosity in centistokes at 50°C | 171.5 | 125-180 | IS 1448 P-25 |
| Sediment, percent by mass | 0.06 | 0.25 Max | IS 1448 P-30 |
| Suiphur, total, percent by mass | 1.876 | 4.0 Max | ISO 8754 |
| Water content, percent by volume | 0.4 | 1.0 Max | IS 1448 P-40 |
| Pour point, °C | 0 | Winter :15max Summer :27max |
IS 1448 P-10 |
| Ashphaltenes,percent by mass | 5.9 | 10 Max | IS 1448 P-22 |
| Spot test for cleanliness | 1 | No.2 max (Faint or poor defined inner ring) |
ASTM D 4740 |
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