Designation:C920−14aStandardSpecificationforElastomericJointSealants1ThisstandardisissuedunderthefixeddesignationC920;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1ThisASTMspecificationcoversthepropertiesofacuredsingle-ormulticomponentcold-appliedelastomericjointsealantforsealing,caulking,orglazingoperationsonbuildings,plazas,anddecksforvehicularorpedestrianuse,andtypesofconstructionotherthanhighwayandairfieldpavementsandbridges.1.2Asealantmeetingtherequirementsofthisspecificationshallbedesignatedbythemanufacturertobeoneormoreofthetypes,classes,grades,andusesdefinedinSection7.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandardissimilar,butnotidentical,toISO11600.2.ReferencedDocuments2.1ASTMStandards:2C510TestMethodforStainingandColorChangeofSingle-orMulticomponentJointSealantsC639TestMethodforRheological(Flow)PropertiesofElastomericSealantsC661TestMethodforIndentationHardnessofElastomeric-TypeSealantsbyMeansofaDurometerC679TestMethodforTack-FreeTimeofElastomericSeal-antsC717TerminologyofBuildingSealsandSealantsC719TestMethodforAdhesionandCohesionofElasto-mericJointSealantsUnderCyclicMovement(HockmanCycle)C793TestMethodforEffectsofLaboratoryAcceleratedWeatheringonElastomericJointSealantsC794TestMethodforAdhesion-in-PeelofElastomericJointSealantsC1183TestMethodforExtrusionRateofElastomericSeal-antsC1193GuideforUseofJointSealantsC1246TestMethodforEffectsofHeatAgingonWeightLoss,Cracking,andChalkingofElastomericSealantsAfterCureC1247TestMethodforDurabilityofSealantsExposedtoContinuousImmersioninLiquidsC1442PracticeforConductingTestsonSealantsUsingArtificialWeatheringApparatus3.Terminology3.1Definitions—RefertoT...
