MIL-DTL-5624V
3.3.1.1 Formulations. The following antioxidant formulations are approved:
a.
2,6-di-tert-butyl-4-methylphenol
b.
6-tert-butyl-2,4-dimethylphenol
c.
2,6-di-tert-butylphenol
d.
75 percent min 2,6-di-tert-butylphenol
25 percent max tert-butylphenols and tri-tert-butylphenols
e.
72 percent min 6-tert-butyl-2,4-dimethyphenol
28 percent max tert-butyl-methylphenols and tert-butyl-dimethylphenols
f.
55 percent min 2,4-dimethyl-6-tert-butylphenol and
15 percent min 2,6-di-tert-butyl-4-methylphenol and
30 percent max mixed methyl and dimethyl tert-butylphenols
3.3.2 Metal deactivator. Metal deactivator additive shall not be used in JP-4 or JP-5 unless
specified in the contract or purchase order (see 6.2). A metal deactivator may be used if
approved by the procuring activity and the user. If JP-5 is to be used by the Navy, written
consent for the use of metal deactivator shall also be obtained from NAVAIR 4.4.5 (see 6.7). If
approved, the metal deactivator, N,N'-disalicylidene-1,2-propanediamine, shall be blended into
the fuel. The concentration of active material used on initial batching of the fuel at the refinery
shall not exceed 2.0 mg/L. Cumulative addition of metal deactivator when redoping the fuel shall
not exceed 5.7 mg/L.
3.3.3 Corrosion inhibitor/lubricity improver. A corrosion inhibitor/lubricity improver in
accordance with MIL-PRF-25017 shall be blended into the JP-4 and JP-5. The amount added
shall be equal to or greater than the minimum effective concentration and shall not exceed the
maximum allowable concentration for an approved source as specified on QPL-25017. The
point of injection of the corrosion inhibitor/lubricity improver shall be as specified in the contract
or purchase order (see 6.2).
3.3.4 Fuel system icing inhibitor. A fuel system icing inhibitor in accordance with
MIL-DTL-85470 shall be used. The point of injection of the additive for JP-4 and JP-5 shall
be as specified in the contract or purchase order (see 6.2).
3.3.5 Static dissipater additive. An approved static dissipater additive shall be blended into
JP-4 fuel in sufficient concentration to increase the conductivity of the fuel to within the range
specified in Table II, at the point of injection. The point of injection shall be as specified in the
contract or purchase order (see 6.2). The following static dissipater additive is approved: Stadis®
450 marketed by Innospec Fuel Specialties LLC (formerly Octel Starreon LLC), Newark, DE
19702. Static dissipater additive shall not be used in JP-5 unless written consent has been
obtained from NAVAIR 4.4.5 (see 6.7).
3.3.6 Premixing of additives. Additives shall not be premixed with other additives before
injection into the fuel so as to prevent possible reactions among the concentrated forms of
different additives.
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