Designation:D2527−83(Reapproved2022)StandardSpecificationforRubberSeals—SpliceStrength1ThisstandardisissuedunderthefixeddesignationD2527;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthestrengthandappearanceofthespliceinvulcanizedrubber-sealmaterialofanysize,type,orcross-sectionalshape.1.2Manytypesandvarietiesofsealsareusedinservicesofalldegreesofseverity.Insomeinstances,hollowtubingissplicedandusedasaseal.Itisalsopossibletohavesealsofirregularcrosssections,ormadeofpolymerswhich,duetotheirnature,ornotconducivetoahigh-strengthsplice,althoughtheywillperformsatisfactorilyintheirintendedapplication.1.3Sealsareexposedinservicetoawidevarietyofmediaatvarioustemperatures.Theeffectofsuchmediaonthesplicedareamustbeconsidered.Detailsofthetestprocedurestoevaluatetheeffectofthemediashallbeagreeduponbythepurchaserandselleraspartofthepurchasecontract.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—Tension3.Classification3.1Inordertoprovideforthevarioustypesofsealsandrequirements,threeclassesofspliceshavebeenestablished:3.1.1Class1coverssplicesinseal...
