Designation:D8137−18PracticeforAcceleratedAgingofLeather1ThisstandardisissuedunderthefixeddesignationD8137;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeisbasedonstudiesrelatingtherateofdeteriorationofleathershavingknowndurabilitiesfromlong-termstorageofsamples,tothedeteriorationexperiencedbylaboratoryexposureofspecimenstoknowncontentsofacidgasesinairoroxygen.Thisisaccomplishedbymeasuringthedeterioration(reductionintensilestrength)ofleatherspeci-menswhentheyaresubjectedtoexposuretoamixtureofair,moistureandsulfurdioxideatagiventemperatureandpressureandforagivenexposuretime.Thelossoftensilestrengthofthespecimensresultingfromthisexposureiscomparedtothatexperiencedbyavarietyofleathershavingvarioustannagesandhavinghistoricallylongandshortservicelifetimes.Theinitialtensilestrengthandthedegreeoflossoftensilestrengthisrelatedtowhatservicelifecanbeanticipatedfromagivenleather.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1517TerminologyRelatingtoLeatherD1610PracticeforConditioningLeatherandLeatherProd-uctsforTestingD1813TestMethodforMeasuringThicknessofLeatherTestSpecimensD2209TestMethodforTensileStrengthofLeather3.Terminology3.1FordefinitionsofleathertermsusedinthisPracticerefertoTerminologyD1517.4.Reagents4.1Sulfur...
