Designation:D6999−19StandardPracticeforMiscibilityofEmulsifiedAsphalts1ThisstandardisissuedunderthefixeddesignationD6999;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthesuitabilityofallmediumandslow-settingemulsifiedasphaltstobedilutedwithwater.Ifdesired,otherliquidsmaybesubstitutedforwater,suchaspropyleneglycol.Itisnotapplicabletotherapid-settingtypes.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.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:2D8055GuideforSelectinganAppropriateElectronicTher-mometerforReplacingMercuryThermometersinD04RoadandPavingStandards3.SampleConditioningforTesting3.1Allemulsifiedasphaltsshallbeproperlystirredtoachievehomogeneity.3.2Allemulsifiedasphaltswithviscositytestingrequire-mentsof50°Cshallbeheatedto5063°Cintheoriginalsamplecontainerinawaterbathoroven.Thecontainershouldbeventedtorelievepressure.Afterthesamplereaches5063°C,stirthesampletoachievehomogeneity.3.3Emulsifiedasphaltswithviscositytestingrequirementsof25°Cshouldbemi...
