Designation:D4311/D4311M−21StandardPracticeforDeterminingAsphaltVolumeCorrectiontoaBaseTemperature1ThisstandardisissuedunderthefixeddesignationD4311/D4311M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeprovidestablesofvolumecorrectionfactorswhichmaybeusedtoconvertvolumesofasphaltmeasuredatdifferenttemperaturestoavolumeatastandardbasetemperature.Thesetablesareapplicabletoalltypesofasphaltsexceptemulsifiedasphalts.1.2Thispracticeprovidestablestoconvertasphaltvolumesto15°C[60°F]fromvolumesmeasuredatanytemperaturefrom−25to+275°C[0to500°F].1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.NOTE1—CorrectionfactorsinTable1andTable2areforuseinplaceofcorrectionfactorsprovidedinGuideD1250,whichdonotaddressrequirementsforasphaltspecifications.21.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D70/D70MTestMethodforSpecificGravityandDensityofSemi-SolidAsphaltBinder(PycnometerMethod)D1250GuidefortheUseoftheJointAPIandASTMAdjunctforTemperatureandPressureVolumeCorrectionFactorsforGeneralizedCrudeOils,RefinedProducts,andLubricatingOils:APIMPMSChapter11.1D3142/D3142MTestMethodforSpe...