Designation:C864−05(Reapproved2015)StandardSpecificationforDenseElastomericCompressionSealGaskets,SettingBlocks,andSpacers1ThisstandardisissuedunderthefixeddesignationC864;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoverspreformeddenseelastomericcompressiongasketsandaccessoriesforuseinsealingandglazingapplications.Thesematerialsaregenerallyusedtosealorserveascomponentsofcompressionsealingsystemsbe-tweenmechanicallyrestrainedsurfacesinbuildingconstruc-tions.1.2TestMethodC1166,asreferencedinthisspecification,shouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.1.3Thefollowingprecautionarystatementpertainsonlytothetestmethodportion,Section9,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.1.4Thecommitteewithjurisdictionoverthisstandardisnotawareofanycomparablestandardspublishedbyotherorga-nizations.2.ReferencedDocuments2.1ASTMStandards:2C717TerminologyofBuildingSealsandSealantsC1166TestMethodforFlamePropagationofDenseandCellularElastomericGasketsandAccessoriesD395TestMethodsforRubberProperty—CompressionSetD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD573TestMethod...
