MIL-DTL-5624V
TABLE I. Requirements for Synthesized Paraffinic Kerosene blend components for
JP-5 Fuel exceptions to ASTM D7566, annexes A1 and A2, Tables A1.1, A1.2,
A2.1, and A2.2 detailed requirements.
Note: Values in this table take precedence over any conflicting values in ASTM D7566.
FT-SPK or
Property
ASTM Test Method
HEFA-SPK
D56, D931/2/, or
Flash Point, ° C, min
60.0
D3828
D1298 or D40521/
Density at 15° C
kg/L, min (API max)
0.750 (57.2)
kg/L, max (API min)
0.770 (52.3)
D23861/, D5972,
Freezing Point, ° C, max
-46
D7153, or D7154
D68901/ or D7170
Derived Cetane Number,
40
min
1/ Referee Test Method.
2/ ASTM D3828 may give results up to 1.7° C below the ASTM D93 results.
ASTM D56 may give results up to 1° C below the ASTM D93 results.
3.2 Finished fuel. Finished fuels shall meet the requirements of this specification. The
requirements of Table IV apply if the finished fuel contains synthesized hydrocarbons.
3.3 Additives. If specified in the contract or purchase order (see 6.2), information
concerning the type and amount of each additive used shall be reported.
3.3.1 Antioxidants. Immediately after processing (i.e., during the rundown into feed/batch
tank) and before the fuel is exposed to the atmosphere, an approved antioxidant shall be added to
all JP-5 fuel; and to JP-4 fuel that contains blending stocks that have been hydrogen treated to
prevent the formation of gums and peroxides after manufacture. JP-4 fuel that does not contain
hydrogen-treated blending stocks may have the antioxidant added. The concentration of
antioxidant to be added shall be as follows:
a.
For JP-5 and hydrogen-treated JP-4: Not less than 17.2 mg nor more than 24.0
mg of active ingredient per liter of fuel (6.0 to 8.4 lb/1000 barrels).
b.
For JP-4 fuel not hydrogen treated, if added, not more than 24.0 mg of active
ingredient per liter of fuel (8.4 lb/1000 barrels).
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