Designation:C1735−17StandardTestMethodforMeasuringtheTimeDependentModulusofSealantsUsingStressRelaxation1ThisstandardisissuedunderthefixeddesignationC1735;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversaprocedureformeasuringthetimedependenceofmodulusinelastomericjointsealantsinatestspecimenconfigurationdescribedinTestMethodC719.Thesesealantmaterialsaretypifiedbyhighlyfilledrubbermaterials.AnyMullinseffectisfirstassessedandmitigatedintwoloading-unloadingcycles.Timedependenceofmodulusinmaterialsisthendeterminedusingastressrelaxationproce-dure.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C717TerminologyofBuildingSealsandSealantsC719TestMethodforAdhesionandCohesionofElasto-mericJointSealantsUnderCyclicMovement(HockmanCycle)E4PracticesforForceVerificationofTestingMachinesE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE631TerminologyofBuildingConstructionsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologiesE631andC717.4.SummaryofTestMethod4.1Thistestmethodconsistsoftwoloadingcycleswherestrainisincreasedfroma0%toauser-definedmaximumstrainandonestressrelaxationprocedureatastrainnogreaterthan2⁄3oftheuser-definedmaximumstrain.AschematicdiagramofthisteststrainhistoryisshowninFig.1.4.2Themotivationforthetwoloading-unloadingcyclesistoassessifanyMullinseffectispresentandto...
