Designation:D2098−21StandardTestMethodforDynamicWaterResistanceofShoeUpperLeatherbytheDowCorningLeatherTester1ThisstandardisissuedunderthefixeddesignationD2098;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthedy-namicwaterresistanceofshoeupperleatherbymeansoftheDowCorningTester.Itisapplicabletoalltypesofshoeupperleather.Thistestmethoddoesnotapplytowetblueorwetwhite.1.2Initialwaterpenetrationandwaterabsorptioncanbemeasured.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1610PracticeforConditioningLeatherandLeatherProd-uctsforTestingD2099TestMethodforDynamicWaterResistanceofShoeUpperLeatherbytheMaeserWaterPenetrationTester3.SignificanceandUse3.1Thistestmethodisintendedtoestimatethewaterresistanceofshoeupperleather.Thefleximpartedtotheleatherisamagnificationoftheflexgiventhevampoftheshoeinactualwear.NOTE1—ThereisanindicationthatthistestmethodcannotbeusedinterchangeablyforspecificationpurposeswithTestMethodD2099.4.Apparatus4.1Balance,se...
