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Jet fuels are petroleum products similar to kerosene used in jet engines. The most common jet fuels now in use are:
JP-4 - Widely used fuel made up of approximately 65% gasoline and 35% light petroleum distillate.
JP-5 - A highly refined kerosene having a flash point of 60ºC / 140ºF. And a freezing point of -40ºC / -40ºF. Used by carrier based aircraft.
JP-6 - A higher kerosene cut than JP-4 with less impurities; used in advanced engines.
Commercial jets use ASTM type A, A-1, or B. A and A-1 are kerosene types. Type B is a gasoline-kerosene type similar to JP-4.
Viscosity: 1.5 to 6 cPs.
Pump Notes: Cast iron construction is satisfactory. Buna n or Viton® are recommended depending on the particular grade.
See also: Fuels
Viton® is a registered trademark of DuPont Performance Elastomers L.L.C