Designation:D5326−94a(Reapproved2013)StandardTestMethodforColorDevelopmentinTintedLatexPaints1ThisstandardisissuedunderthefixeddesignationD5326;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedureformeasuringcolordevelopmentintintedlatexpaints,forthepurposeofdeter-miningtheefficiencyofcolorants,thetintabilityofbasepaintsandthepotentialforpoorcoloruniformityofappliedpaintfilms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D16TerminologyforPaint,RelatedCoatings,Materials,andApplicationsD2244PracticeforCalculationofColorTolerancesandColorDifferencesfromInstrumentallyMeasuredColorCoordinatesD3924SpecificationforEnvironmentforConditioningandTestingPaint,Varnish,Lacquer,andRelatedMaterialsD3925PracticeforSamplingLiquidPaintsandRelatedPigmentedCoatingsE284TerminologyofAppearanceE1164PracticeforObtainingSpectrometricDataforObject-ColorEvaluationE1331TestMethodforReflectanceFactorandColorbySpectrophotometryUsingHemisphericalGeometryE1345PracticeforReducingtheEffectofVariabilityofColorMeasurementbyUseofMultipleMeasurementsE1347TestMethodforColorandColor-DifferenceMea-surementbyTristimulusColorimetryE1349TestMethodforReflectanceFactorandColorbySpectrophotometryUsingBidirectional(45°:0°or0°:45°)Geometry3.Terminology3.1Definitions:3.1.1colordevelopment,n—theextenttowhichthecoloranthasachieveditsfulltintingpotential,ase...
