Designation:D8042−18TestMethodforShrinkageTemperatureofWetBlueandWetWhite1ThisstandardisissuedunderthefixeddesignationD8042;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheshrink-agetemperatureofalltypesofWetBlueandWetWhite.Theheatingmediumiswaterwhentheshrinkagetemperatureisatorbelow98°C.Theheatingmediumisaglycerine-watersolutionwhentheshrinkagetemperatureisabove98°C.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1517TerminologyRelatingtoLeatherD6076TestMethodforShrinkageTemperatureofLeather3.Terminology3.1Definitions—Fordefinitionsofgeneralleathertermsusedinthistestmethod,refertoTerminologyD1517.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1shrink,v—tocontractorbecomesmaller.3.2.2shrinkage,n—thetemperatureatwhichnoticeableshrinkageoccurswhenaWetBlueorWetWhitespecimenisgraduallyheatedinanaqueousmedium.4.SummaryofTestMethod4.1AWetBlueorWetWhitespecimenisthoroughlysoakedintheaqueousmediumthatwillbeusedtoheatthespecimenforthistestmethod.Thisspecimenisthenfastenedbetweentwoclamps(onefixedandonemovable)andim-mersedintheaqueousmedium(seeFig.1).Theaqueousmediumisgraduallyheateduntil...
