MIL-DTL-83133H
APPENDIX A
FISCHER-TROPSCH SYNTHESIZED PARAFFINIC KEROSENE (FT-SPK)
A.1 SCOPE
A.1.1 Scope. This Appendix addresses requirements of 100 percent SPK derived from
manufactured products of a Fischer-Tropsch (FT) process (identified in 3.1.1) and test requirements in
addition to Table I for finished fuels containing any amount of FT-SPK (not to exceed 50 volume percent).
This Appendix is a mandatory part of the specification. The information contained herein is intended for
compliance. Blending of the FT-SPK with at least 50% petroleum sourced JP-8 must occur prior to any
further blending with fuel containing any other synthetic blending component to ensure that the resulting
blend always has at least 50% petroleum-sourced content.
A.2 REQUIREMENTS FOR FT-SPK
A.2.1 Chemical and physical requirements. The chemical and physical properties of the SPK
shall be in accordance with those specified in Table A-I.
A.2.2 Additives.
A.2.2.1 Antioxidants. Addition of antioxidants shall adhere to the criteria specified in 3.3.1.
A.2.2.2 Static dissipater additive. If 100% FT-SPK is to be transported prior to blending with
refined hydrocarbon distillate fuel, static dissipater additive shall be injected in sufficient concentration to
increase the conductivity of the fuel to within the range specified in Table A-I. The point of injection of the
additive shall be determined by agreement between the purchasing authority and the supplier. The
following electrical conductivity additive is approved : StadisŪ 450 marketed by Innospec Fuel
Specialties LLC (formerly Octel Starreon LLC), Newark, DE 19702.
TABLE A-I. FT-SPK chemical and physical requirements and test methods.
Property
Min
Max
Test Method
Aromatics, mass percent
0.5
D2425
1
D2622, D3120, or D5453
Sulfur, total, mass percent
0.0015
Cycloparaffins, mass percent
15
D2425
2
Paraffins, mass percent
D2425
Carbon and Hydrogen, mass percent
99.5
D5291
Nitrogen, mg/kg
2
D4629
Water, mg/kg
75
D6304
Phosphorus, mg/kg
0.1
UOP 389
Metals (Al, Ca, Co, Cr, Cu, Fe, K, Mg, Mn, Mo,
0.1 per
Na, Ni, Pb, Pd, Pt, Sn, Sr, Ti, V, Zn), mg/kg
metal
UOP 389
Halogens, mg/kg
1
D7359
Total acid number, mg KOH/g
0.015
D3242
1
D56, D93 , D3828, or
3
Flash point, °C
38
IP 170
Density
0.770
0.751
Density, kg/L at 15°C or
1
57.0
D1298 or D4052
52.0
Gravity, API at 60°F
1
D2386 or D5972
Freezing point, °C
-47
16
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