Designation:D6930−19StandardTestMethodforSettlementandStorageStabilityofEmulsifiedAsphalts1ThisstandardisissuedunderthefixeddesignationD6930;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheabilityofanemulsifiedasphalttoremainasauniformdispersionduringstorage.Itisapplicabletoemulsifiedasphaltscomposedprincipallyofasemisolidorliquidasphalticbase,water,andanemulsifyingagent.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D3666SpecificationforMinimumRequirementsforAgen-ciesTestingandInspectingRoadandPavingMaterialsD6934TestMethodforResiduebyEvaporationofEmulsi-fiedAsphalt3.SignificanceandUse3.1Thistestmethodisusefulfordetermining,inacom-parativelyshorttime,thestoragestabilityorsettlementofanemulsifiedasphalt.Itisameasureofthepermanenceofthedispersionasrelatedtotime,butitisnottobeconstruedtohavesignificanceasameasureofotherstabilityaspectsinvolvedinuse.NOTE1—Thequalityoftheresultsproducedbythisstandardaredependentontheco...