Designation:D5164−05(Reapproved2019)StandardSpecificationforPropyleneGlycolandDipropyleneGlycol1ThisstandardisissuedunderthefixeddesignationD5164;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverspropyleneglycolanddipropyl-eneglycolforuseinthepreparationofsurfacecoatings.1.2Thefollowingappliestoallspecifiedlimitsinthisstandard:forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Forspecifichazardinformationandguidance,seethesupplier’sMaterialSafetyDataSheets.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D4052TestMethodforDensity,RelativeDensity,andAPIGravityofLiquidsbyDigitalDensityMeterD5386TestMethodforColorofLiquidsUsingTristimulusColorimetryE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE202TestMethodsforAnalysisofEthyleneGlycolsandPropyleneGlycolsE300PracticeforSamplingIndustrialChemicals2.2U.S.FederalSpecification:3PPP-C-2020Chemicals,Liquid,Dry,andPaste:Packagingof3.Properties3.1PropyleneglycolordipropyleneglycolshallconformtotherespectivepropertiesshowninTable1.4.Sampling4.1ThematerialshallbesampledinaccordancewithPracticeE300.5.TestMethods5.1Thepropertiesenumerated...
