Designation:D244−09(Reapproved2017)AmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.:T59StandardTestMethodsandPracticesforEmulsifiedAsphalts1ThisstandardisissuedunderthefixeddesignationD244;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodsandpractices,givenundertheheadingstitledComposition,Consistency,Stability,andEx-aminationofResidue,covertheexaminationofasphaltemul-sionscomposedprincipallyofasemisolidorliquidasphalticbase,water,andanemulsifyingagent.Thetestmethodscoverthefollowingtestsandpractices:TestSectionsComposition:WaterContent4–10ResidueandOilDistillatebyDistillationSeeTestMethodD6997ResiduebyEvaporationSeeTestMethodD6934ParticleChargeofCationicEmulsifiedAsphaltsSeePracticeD7402Consistency:Viscosity(SayboltFurol)SeeTestMethodD7496Stability:DemulsibilitySeeTestMethodD6936SettlementSeeTestMethodD6930CementMixingSeeTestMethodD6935SieveTestSeeTestMethodD6933AggregateCoatingSeePracticeD6998MiscibilitywithWaterSeePracticeD6999FreezingSeePracticeD6929CoatingAbilityandWaterResistance11–18StorageStabilityofAsphaltEmulsionSeeTestMethodD6930ExaminationofResidue19–26IdentificationTestforRapidSettingCationicEmulsi-fiedAsphalt27–34IdentificationofCationicSlowSetEmulsionsSeePracticeD7402FieldCoatingTestonEmulsifiedAsphalts35–40EmulsifiedAsphalt/JobAggregateCoatingTest41–46DensityofEmulsifiedAsphaltSeeTestMethodD6937ResiduebyLow-TemperatureVacuumDistillationSeeTestMethodD74031.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,...
