Designation:C510−16StandardTestMethodforStainingandColorChangeofSingle-orMulticomponentJointSealants1ThisstandardisissuedunderthefixeddesignationC510;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanacceleratedlaboratorypro-ceduretodetermineifasampleofajointsealantwillstainthesubstratewhenincontractwithmasonry,concrete,orstone(suchasmarble,limestone,sandstone,andgranite).Thistestmethodalsoisintendedtodeterminewhetherthesealantitselfwillchangeincolorwhenexposedtotheweather.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluegiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C150SpecificationforPortlandCementC207SpecificationforHydratedLimeforMasonryPur-posesC717TerminologyofBuildingSealsandSealantsC1442PracticeforConductingTestsonSealantsUsingArtificialWeatheringApparatusD2203TestMethodforStainingfromSealantsG113TerminologyRelatingtoNaturalandArtificialWeath-eringTestsofNonmetallicMaterials3.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,seeTerminologyC717fortermsrelatingtobuildingsealsandsealants,andTerminologyG113fortermsrelatingtonaturalandartificialweatheringtests.4.SignificanceandUse4.1Stainingofabuildingisanaestheticallyundesirableoccurrence.Thistestmethodevaluatesthelikelihoodofasealantcausingearlystainonaporoussubstrateduetocertainchemicalexudationsfromthesealant.4.1.1Thistestmethodmaynotpredictstainingcausedbysuchfactorsas...
