Light Diesel Oil, or LDO, is a blend of components from the distillation process of crude. It is used in engines with an RPM of less than 750, such as boilers and furnaces. LDO is also referred to as distillate fuel or marked oil. Light Diesel Oil is a type of diesel fuel that has a flashpoint greater than 66°C and is widely used in certain types of boilers and furnaces as basic fuel.
| CHARACTERISTICS | INSPECTIONS | REQUIREMENT | METHOD OF TEST |
|---|---|---|---|
| Acidity, indrganic | Nill | Nill | IS 1448 P-2 |
| Ash, % by mass | 0.016 | 0.02 Max | IS 1448 P-4 |
| Carbon residue(Rams bottom), % by mass | 0.14 | 1.5 Max | IS 1448 P-8 |
| Copper strip Corrosion for 3 Hrs@100 deg c | 1a | Not worse than No.2 | IS 1448 P-15 |
| Density at 15°C, kg/㎥ | 867.7 | To be reported | IS 1448 P-16 |
| Flash pion (pensky Martens), deg C | 104 | 66 Min | IS 1448 P-21 |
| Pour Point, deg C* | 12 | Summer 21 max Winter 12 max. | IS 1448 P-10 |
| Sediment, % by mass | 0.02 | 0.10 Max | IS 1448 P-30 |
| Sulfur Total, & by mass | 1.244 | 1.5 Max | ASTM-D 4294 |
| Kinematic Viscosity @ 40 deg C, cst | 5.783 | 2.5 to 15.0 | IS 1448 P-25 |
| Water Content, % by vol | 0.15 | 0.25 | IS 1448 P-40 |
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