Designation:E2690−17bAnAmericanNationalStandardStandardPracticeforSpecimenPreparationandMountingofCaulksandSealantstoAssessSurfaceBurningCharacteristics1ThisstandardisissuedunderthefixeddesignationE2690;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesproceduresforspecimenprepa-rationandmountingwhentestingcaulksandsealantstoassessflamespreadandsmokedevelopmentassurfaceburningcharacteristicsusingTestMethodE84.1.1.1Caulksandsealantsupto8in.(203.2mm)inwidthshallfollowtherequirementsof7.1.1.1.2Caulksandsealantsinexcessof8in.(203.2mm)inwidthshallfollowtherequirementsof7.2.1.1.2.1Caulksandsealantsinexcessof8in.(203.2mm)inwidthcanbeconsideredcoatings.1.2Thispracticeappliestocaulksandsealantsintendedforvarioususeswithinbuildings.Thecaulksandsealantsad-dressedinthispracticearenotabletobesupportedbytheirownstructuralcharacteristicsduringthetest.1.2.1Thispracticedoesnotapplytoadhesivesthatareusedtoadhereorbindtogethersurfaces.1.3TestingisconductedinaccordancewithTestMethodE84.1.4Thispracticedoesnotprovidepass/failcriteriathatcanbeusedasaregulatorytool.1.5Thispracticedoesnotapplytomaterialsforwhichthetestspecimendoesnotremaininplacebeforeandduringthetestuntilmaximumflamepropagationhasoccurred.1.6Thispracticeisnotforsystemevaluation.Itisforthecomparisonofthematerialsonly.1.7Theresultsobtainedbyusingthismountingprocedureareconfinedtothematerialsthemselvesastestedandarenotcomparabletothoseobtainedwithmaterialsthataretestedinafulltunnelwidthapplication.1.8Thisfirestandardcannotbeusedtoprovidequantitativemeasures.1.9Firetestingisinherentlyhazardous.Adequatesafe-guardsforpersonnelandpropertyshallbeemployedinconductingthesetests.1.10Thisstandardgivesinstructionsonspecimenprepara-tionandmounting,butthefire-test-responsemethodisgiveninTestMethodE84...
