Designation:D3542−08(Reapproved2019)StandardSpecificationforPreformedPolychloropreneElastomericJointSealsforBridges1ThisstandardisissuedunderthefixeddesignationD3542;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthematerialrequirementsforpreformedpolychloropreneelastomericjointsealsforbridges.Thesealconsistsofamultiple-webdesigncomposedofpolychloropreneandfunctionsonlybycompressionofthesealbetweenthefacesofthejointwiththesealfoldinginwardatthetoptofacilitatecompression.Thesealisinstalledwithalubricantadhesiveandisdesignedtosealthejointandrejectincompressibles.NOTE1—Thisspecificationmaynotbeapplicableforsealswhoseheightislessthan90%ofitsnominalwidth.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D395TestMethodsforRubberProperty—CompressionSetD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD471TestMethodforRubberProperty—EffectofLiquidsD518TestMethodforRubberDeterioration—SurfaceCracking(Withdrawn2007)3D573TestMethodforRubber—DeteriorationinanAirOvenD575TestMethodsforRubberPropertiesinCompressi...
