MIL-DTL-83133H
APPENDIX A
TABLE A-I. FT-SPK chemical and physical requirements and test methods Continued
Property
Min
Max
Test Method
D86 1 or D2887 4
Distillation temperature, °C
2
Initial boiling point
205
10 percent recovered
2
20 percent recovered
2
50 percent recovered
2
90 percent recovered
300
Final boiling point
1.5
Residue, vol percent
Loss, vol percent
1.5
5
90 percent recovery gradient
22
2
Viscosity at -20°C, mm /s
8.0
D445
2
2,6
Viscosity at 40°C, mm /s
D445
1
D3338 or D4809
Net heat of combustion, MJ/kg
42.8
D3241
Thermal stability (2.5 hours at 325°C)
25
change in pressure drop, mm Hg
7
<3
heater tube deposit, visual rating
8
1
Particulate matter, mg/L
D2276 or D5452
1.0
8
Filtration time, minutes
15
1
D3948 or D7224
Microseparometer Rating
85
Electrical conductivity, pS/m
50
600
D2624
NOTES:
1. Referee Test Method.
2. To be reported not limited.
3. ASTM D56 may give results up to 1 °C (2 °F) below the ASTM D93 results. ASTM D3828 may give
results up to 1.7 °C (3 °F) below the ASTM D93 results. Method IP 170 is also permitted, may give
results up to 2.2 °C (4 °F) below the ASTM D93 results.
4. Distillation property criteria are specified in ASTM D86 scale units. ASTM D2887 results shall be
converted to estimated D86 results by application of the correlation in Appendix X5 of D2887 for
comparison with the specified property criteria.
5. The temperature difference between the temperature that demarks the 10 percent recovered point
and the temperature that demarks the 90 percent recovered point must be at least 22 °C.
6. Future revision(s) anticipated for Army requirement supporting ground equipment using JP-8 under
2
the Single Fuel Policy that will require viscosity at 40 °C to a minimum of 1.3 mm /s. The Army
welcomes discussions and comments from existing or potential SPK manufacturers regarding the
desired viscosity at 40 °C. Contact Army point of contact via e-mail at tardec.pol.help@us.army.mil or
using the address indicated in 3.1.1.
7. Peacock or Abnormal color deposits result in a failure.
8. A minimum sample size of 3.785 liters (1 gallon) shall be filtered. Filtration time will be determined in
accordance with procedure in Appendix C. This procedure may also be used for the determination of
particulate matter as an alternate to ASTM D2276 or ASTM D5452.
17
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