JetAandJetA-1arekerosene-typefuels.Theprimarydifferencebetweenthetwoisfreezepoint,thetemperatureatwhichwaxcrystalsdisappearinalaboratorytest.

JetA,whichismainlyusedintheUnitedStates,musthaveafreezepointofminus40ºCorbelowanddoesnottypicallycontainstaticdissipatoradditive.JetA-1musthaveafreezepointofminus47ºCorbelowandforlocationsoutsidetheUnitedStates,thisfuelnormallycontainsstaticdissipatoradditive.ThereareotherkeydifferencesbetweenthemanufacturingspecificationwithintheUnitedStatesandEurope/Africa/MiddleEast/Australasia.

ExxonMobilJetAandExxonMobilJetA-1meettherequirementsofASTMD1655StandardSpecificationforAviationTurbineFuels.ExxonMobilJetA-1alsocomplieswithU.K.DEFSTAN91-091,andtheJIG(JointInspectionGroup)AviationFuelRequirementsforJointlyOperatedSystems(CheckList).JetA-1manufacturedtoDef.Stan.91-091hasalowermaxlimitforacidityandadditionalrequirementforconductivity.Inallcases,themostrecentissueofrelevantspecificationsappliestotheproductsupplied.

ExxonMobilJetFuelmeetsthefollowingindustryspecifications:
ASTMD1655
CGSB3.23
U.K.DEFSTAN91-091

ProductPropertiesASTMD1655,CGSB3.23,andDef.Stan91-091
Note:wheretherequiredsignificantfiguresdifferbetweenspecs,thelargeramountofsignificantfiguresisshownbelow

Acidity,mgKOH/g
Aromatics,Vol.%
Sulphur,mercaptan,Wt.%
Sulphur,total,Wt.%
10%Distillation,ºC
FinalBoilingPoint,ºC
DistillationResidue,%
DistillationLoss,%
FlashPoint,ºC
Density@15ºC,kg/m3
FreezePoint,ºC
Viscosity@-20ºC,mm/s
NetHeatofCombustion,MJ/kg
Oneofthefollowingshallbemet:
1)SmokePoint,mm,or
2)SmokePoint,mm,and
Naphthalenes,Vol.%
CopperStripCorrosion,2h%100ºC
ThermalStability@260ºC:
-Filterpressuredrop,mmHg
-TubeDeposits
ExistentGum,mg/100mL.
MSEPRating
-Withoutelectricalconductivityadditive
-Withelectricalconductivityadditive
Electricalconductivity,pS/m
*UseofconductivityimproveradditiveandresultinglimitsareoptionalinASTMD1655