Designation:D1815−00(Reapproved2021)StandardTestMethodforWaterAbsorption(Static)ofVegetableTannedLeather1ThisstandardisissuedunderthefixeddesignationD1815;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheamountofwaterabsorbedbyleatherat2362°Cbyimmersionunderstaticconditions.Itmaybeusedonalltypesofleather,butisparticularlyadaptedtovegetable-tannedsoleleather.Thistestmethoddoesnotapplytowetblue.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1516TestMethodforWidthofLeatherD1517TerminologyRelatingtoLeatherD1813TestMethodforMeasuringThicknessofLeatherTestSpecimens3.Terminology3.1FordefinitionsofleathertermsusedinthisstandardrefertoTerminologyD1517.4.SummaryofTestMethod4.1Inthistestmethodtheamountofwaterabsorbedbyaleatherspecimenismeasuredatroomtemperaturewithallsurfacesexposedtowater.5.SignificanceandUse5.1Thistestmethodiscurrentlyusedtodeterminecompli-ancewithspecificationsforwaterabsorptionofimpregnatedsoleleather.Thesignificanceofthetestmethodislimitedbythestaticconditionsemployed,andtheresultsdonotreflectthewaterabsorptionunderthedynamicconditionsofflexing.Theresultmaybecorrected,ifrequired,foranywater-solublemat...
