Designation:D1901−10(Reapproved2020)StandardTestMethodforRelativeEvaporationTimeofHalogenatedOrganicSolventsandTheirAdmixtures1ThisstandardisissuedunderthefixeddesignationD1901;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthemeasurementoftherelativeevaporationtimeofhalogenatedorganicsolventsandtheiradmixtures.Thistestmethodisnotapplicableinthepresenceofexcessivedraftsorhigh-velocityaircurrents.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2B209SpecificationforAluminumandAluminum-AlloySheetandPlate3.Terminology3.1Definitions:3.1.1admixture—ablendofahalogenatedhydrocarbonwithanonhalogenatedhydrocarbon(forexample,mineralspirits).4.SummaryofTestMethod4.1Theevaporationrateisdeterminedbymeasuringthetimerequiredforcompleteevaporationofathinfilmofthesolventfromasheet-metalpanelincomparisonwitharefer-encestandardsolvent.5.SignificanceandUse5.1Thistestmethodgivesvalidcomparisonsoftheevapo-rationratesofthesubjectmaterials.Thesecomparisonsarerequiredforthedeterminationofthesuitabilityofaproposedmaterialforspecificcleaningapplications.6.App...
