Designation:D6076−08(Reapproved2013)StandardTestMethodforShrinkageTemperatureofLeather1ThisstandardisissuedunderthefixeddesignationD6076;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheshrink-agetemperatureofalltypesofleather.Theheatingmediumiswaterwhentheshrinkagetemperatureisatorbelow98°C.Theheatingmediumisaglycerine-watersolutionwhentheshrink-agetemperatureisabove98°C.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1517TerminologyRelatingtoLeather3.Terminology3.1Definitions—Fordefinitionsofgeneralleathertermsusedinthistestmethod,refertoTerminologyD1517.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1shrink—tocontractorbecomesmaller.3.2.2shrinkage—thetemperatureatwhichnoticeableshrinkageoccurswhenaleatherspecimenisgraduallyheatedinanaqueousmedium.4.SummaryofTestMethod4.1Aleatherspecimenisthoroughlysoakedintheaqueousmediumthatwillbeusedtoheatthespecimenforthistestmethod.Thisspecimenisthenfastenedbetweentwoclamps(onefixedandonemovable)andimmersedintheaqueousmedium.Theaqueousmediumisgraduallyheateduntilthespecifiedtemperatureisreachedwithoutshrinkageoruntilshrinkageisindicatedbyadeflectionofthedialneedlewhichisattachedtothemovableclamp.5.SignificanceandUse5.1Thistestmethodisdesignedtodeterminethetempera-tureatwhichathoroughlywettedleatherspecimenexperiencesshrinkage.Inthistestmethod,shrinkageoccursasare...
