Designation:F2493−14StandardSpecificationforP225/60R1697SRadialStandardReferenceTestTire1ThisstandardisissuedunderthefixeddesignationF2493;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisspecificationcoversthegeneralrequirementsfortheP225/60R1697Sradialstandardreferencetesttire.Thetirecoveredbythisspecificationisprimarilyforuseasareferencetireforbrakingtraction,snowtraction,andwearperformanceevaluations,butmayalsobeusedforotherevaluations,suchaspavementroughness,noise,orotherteststhatrequireareferencetire.1.1.1OtherstandardreferencetesttiresarealsousedforthesepurposesandarereferencedinSection2.1.2Thisspecificationprovidesarimcodediameterof16standardtiredesignandconstruction,standarddimensions,andspecifiestheconditionsofstorage.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD2240TestMethodforRubberProperty—DurometerHard-nessD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsE867TerminologyRelatingtoVehicle-PavementSystemsE1136SpecificationforP195/75R14RadialStandardRefer-enceTestTireF538TerminologyRelatingtotheCharacteristicsandPer-formanceofTiresF2870Specificationfor315/70R22.5154/150LRadialTruckStandardReferenceTestTireF2871Specificationfor245/70R19.5136/134MRadialTruckStandardReferenceTestTireF...
