Designation:D7226−13(Reapproved2017)StandardTestMethodforDeterminingtheViscosityofEmulsifiedAsphaltsUsingaRotationalPaddleViscometer1ThisstandardisissuedunderthefixeddesignationD7226;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodutilizestherotationalpaddleviscom-etertomeasuretheviscosityofemulsifiedasphalt.ItisapplicabletoalltheemulsifiedasphaltsdescribedinSpecifi-cationsD977andD2397.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D140PracticeforSamplingBituminousMaterialsD977SpecificationforEmulsifiedAsphaltD2397SpecificationforCationicEmulsifiedAsphaltE11SpecificationforWovenWireTestSieveClothandTestSieves3.Terminology3.1Definitions:3.1.1viscosity,n—ratioofshearstresstoshearrate.3.1.1.1Discussion—TheSIunitofviscosityisthePascalsecond(Pa·s).34.SummaryofTestMethod4.1Therotationalpaddleviscometermethodisusedtomeasuretheapparentviscosityofemulsifiedasphaltat50°C,25°C,orotheragreed-upontemperatures.Amicroprocessorcircuitrysystemfunctioningintandemwithatemperatureprobeandequippedwithinternalelectronicsensorsdetectsandanalyzesthepresettemperature.Apaddleisimmersedintheemulsifiedasphaltsampleandisrotatedat10...
