Furnace Oil
IS : 1593:2018
Table 1 Requirements for fuel oils (Clause 4.6)
| S. No. | Characteristic | Requirement For | Method of Test | |||
|---|---|---|---|---|---|---|
| Grade LV | Grade MVI | Grade MV2 | Grade HV | Ref to [P : ] of IS :1448* | ||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| Acidity, inorganic | Nil | P : 2 | ||||
| Ash, percent by mass, Max | 0.1 |
P : 4 (Method A) |
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| Gross, calorific value |
Not limited, but to be reported (See Note 1) |
P : 6 (for reference) and P : (for routine) |
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| Density at 15oC kg/m3 or Relative density at 15.6/15.6°C |
Not limited, but to be reported (See Note 2) |
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| Flash point, [Pensky martens (closed)], Min | 66oC | P : 21 | ||||
| Kinematic viscosity in centistokes at 50oC, Max | 80 (Max) | 80 - 125 | 125 - 180 | 180 - 380 | P : 25 | |
| Sediment, percent by mass, Max | 0.25 | P : 30 | ||||
|
Sulphur, total, percent by mass, Max
(See Note 3) |
3.5 | 4.0 | 4.0 | 4.5 |
P : 33 (for reference) and P : 35 (for routine) |
|
| Water content, percent by volume, Max | 1.0 | P : 40 | ||||
Note1:Normally the gross calorific value is of the order of 10 000 cal/g.
Note2: Recognizing the necessity for low-sulphur fuel oils in some specialized user, a lower limit may be specified by mutual agreement between the purchaser and the supplier.
Note3: In case of dispute, this method shall be referee method
Note4: All the test method referred to in this standard method include a precision statement. The interpretation of results based on test method precision shall be used whenever applicable. In case of dispute the procedure described in ISO 4259 shall be used.
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