MIL-DTL-25524E(USAF)
TABLE I. Chemical and physical requirements and test methods - Continued.
ASTM Standard
Requirements
Minimum
Maximum
Test Methods
7
D2276 or 7D5452
Particulate matter, mg/L
Origin
0.3
Destination
0.5
D1094
Water reaction
Interface rating
lb
D3948
Water separation characteristics
Report
Additives
JFA-5, mg/L
8.6
11.4
Metal deactivator
Report conc. and Type
Antioxidant, ppm by weight
Report conc. and Type
8
D5006
Fuel system icing inhibitor, vol percent
0.10
0.15
9
9
Corrosion inhibitor/lubricity improver
1
Referee Test Method
2
ASTM D56 may give results up to 1C (2F) below the ASTM D93 results. ASTM D3828 may give results up to 1.7C (3F) below the ASTM
D93 results.
3
For calculating the net heat of combustion using ASTM D3338, the average distillation temperature shall be calculated as follows, when the
distillation is performed using ASTM D2887:
10% + 50% + 90%
V=
3
4
For calculating the hydrogen content using ASTM D3343, the average distillation temperature shall be calculated as follows when the
distillation is performed using ASTM D2887:
10% + 50% + 90%
V=
3
5
See 4.5.2.1 for the JFTOT procedures and rating procedures.
6
If air is used instead of steam while performing ASTM D381, it must be reported. In case of a failure with air, the sample must be retested
using steam.
7
A minimum sample size of 3.785 liters (1 gallon) shall be filtered.
8
Test shall be performed in accordance with ASTM D5006 or method 5327, 5340, or 5342 of FED-STD-791. Use the appropriate scale of the
refractometer.
9
See 3.4.5.
3.4.1 Antioxidants. Immediately after processing and before the fuel is exposed to the atmosphere, an approved
antioxidant shall be added to prevent the formation of gums and peroxides after manufacture. The concentration
of antioxidant to be added shall be as follows:
a. Not less than 17 mg nor more than 24 mg of active ingredient per liter of fuel (6.0 to 8.4 pounds of active
ingredient per 1,000 barrels of fuel) to all JPTS fuel that contains hydrogen treated blending stocks.
b. At the option of the supplier, not more than 24 mg of active ingredient per liter of fuel (8.4 pounds of active
ingredient per 1,000 barrels of fuel) may be added to the JPTS fuel that does not contain hydrogen treated blending
stocks.
3.4.1.1 Approved antioxidants. The following antioxidant formulations are approved:
a. 2,6-ditertiary butyl-4-methylphenol
b. 2,4-dimethyl-6-tertiary butylphenol
c. 2,6-ditertiary butylphenol
d. 75 percent minimum 2,6-ditertiary butylphenol
25 percent maximum tertiary and tritertiary bytylphenols
e. 72 percent minimum 2,4-dimethyl-6-tertiary butylphenol
28 percent maximum monomethyl and dimethyl tertiary butylphenol.
5
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