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Property
Flash point
First distillation
point
Distillation
90% distillation
point
Pour point
Cloud point
Carbon residue (10% residual
oil)
Cetane number
Cetane index (new)
Kinetic viscosity
Sulfur content
Water and sediment
Ash
Copper plate corrosion
(100
C [212
F], 3 hrs.)
°
°
Specific gravity (15
°
C [59
°
F])
Coking test
Aromatics content
(HPLC method)
Asphaltene
Particulate contaminant
Table 4-2 Fuel Use Limit Property Guideline
Recommend use limit
As stipulated by regulation
170 °C [338 °F] or higher
330 to 380 °C
[626 to 716 °F]
More than 6°C [10.8 °F] below ambient tempera-
ture
Below ambient temperature
0.4 weight % or lower
45 or higher
45 or higher
2.0 mm
2
/s [0.0031 in
2
] or higher (30 °C [86 °F])
2
2
8.0 mm
/s [0.0124 in
] or lower (50 °C [122 °F])
2
2
10.5 mm
/s [0.0163 in
] or lower (40 °C [104 °F])
16.0 mm
2
/s [0.0248 in
2
] or lower (30 °C [86 °F])
0.2 weight % or lower
0.1 volume % or lower
0.03 weight % or lower
No.3 or lower
0.83 to 0.87
Should not be carbonized
more than 75% at 250 °C
[482 °F]
Should not be evapo-
rated more than 55% at
230 °C [446 °F]
Should not be turn to tar
at 180 °C [356 °F]
38 weight % or lower
0.1 weight % or lower
5.0 mg/l or lower
Current use limit
JIS K2204, 2205
Diesel fuel: 50
Class-A heavy oil: 60 °C [140
°F] or higher
170 °C [338 °F] or
higher
JIS K2254
330 to 380 °C
[626 to 716 °F]
JIS K2269
1.0 weight % or lower
JIS K2270
JIS K2280-1996
JISK25410.05 weight %
1.0 weight % or lower
(same as diesel fuel) is rec-
ommended.
JIS K2275
JIS K2272
ASTM - No.3
No.3 or lower
JIS K2513 - Discoloration
No.3
0.80 to 0.87
Fed791B (U.S.)
Should not be carbon-
250 °C [482 °F] X 24Hr
ized 100% at 250 °C
230 °C [446 °F] X 24Hr
[482 °F]
180 °C [356 °F] X 48Hr
JIS K 2536
38 weight % or lower
Total of aromatic content
0.1 weight % or lower
ICP analysis (U.K.)
JIS B9931
5.0 mg/l or lower
Including foreign substance in
the fuel pipe lines
Chapter 4
MAINTENANCE
Remarks
°
C or higher
4-3
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