Designation:D6933−13StandardTestMethodforOversizedParticlesinEmulsifiedAsphalts(SieveTest)1ThisstandardisissuedunderthefixeddesignationD6933;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedegreetowhichanemulsi-fiedasphaltmaycontainparticlesofasphaltorotherdiscreetsolidsretainedona850-µmmeshsieve.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thistestmethoddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D7496TestMethodforViscosityofEmulsifiedAsphaltbySayboltFurolViscometerE1SpecificationforASTMLiquid-in-GlassThermometersE11SpecificationforWovenWireTestSieveClothandTestSieves3.SignificanceandUse3.1Theretentionofanexcessiveamountofparticlesonthesieveindicatesthatproblemsmayoccurinhandlingandapplicationofthematerial.Particlesofasphaltretainedonthesieveoftenarecausedbyagglomerationofthedispersedphase.Storage,pumping,handling,andtemperaturecanallcontributetotheformationofparticles.Contaminationfromthetank,transport,orhoseareotherfactorsaffectingparticleformation.4.SampleConditioningforTesting4.1Allemulsifiedasphaltsshallbeproperlystirredtoachievehomogeneitybeforetesting.4.2Allemulsifiedasphaltswithviscositytestingrequire-mentsof50°Cshallbeheatedto5063°Cintheoriginalsamplecontainerinawaterbathoroven.Thecontainershouldbeventedtorelievepressure.Afterthesamplereaches5063°C,stirthesampletoachievehomogeneity.4.3Emulsifiedasphaltswithviscositytestingrequirementsof25°Cshouldbemixedorstirredat2563°Cintheoriginalsamplecontainertoachievehomogeneity.NOTE1—Emulsi...
