Designation:D6929−21StandardPracticeforEvaluatingtheEffectofFreezingonEmulsifiedAsphalts1ThisstandardisissuedunderthefixeddesignationD6929;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Emulsifiedasphaltisnormallydamagedbyfreezingtemperatures,butspeciallyformulatedmaterialsareexpectedtopassthispractice.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-ciesTestingandInspectingRoadandPavingMaterials3.SignificanceandUse3.1Certainagencieswhodesiretouse,store,ortransportemulsifiedasphaltunderlessthanidealweatherconditionsmayrequirethattheproductremainhomogeneous(unbroken)afterbeingsubjectedtoatemperatureof−18°C.NOTE1—Thequalityoftheresultsproducedbythisstandardaredependentonthecompetenceofthepersonnelperformingtheprocedureandthecapability,calibration,andmaintenanceoftheequipmentused.AgenciesthatmeetthecriteriaofSpecificationD3666aregenerallyconsideredcapableofcompetentandobjectivetesting,samplin...
