Designation:D6840−02(Reapproved2021)StandardTestMethodforEffectofDrycleaningonButtons1ThisstandardisissuedunderthefixeddesignationD6840;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisameansofdeterminingtheeffectofdrycleaningoncertainphysicalattributesofbuttons.Thetestmethodappliestobuttonsmadefromplastics,naturalmaterials,castmetal,stampedmetal,andelectroplatedplastic.1.1.1Theobservedattributesofbuttonsmadefromplasticandnaturalmaterialsinclude:colorchange,colortransfer,solubility,swelling,andlossoffinish.1.1.2Theobservedattributesofbuttonsmadeofmetalandelectroplatedbuttonsinclude:colorchange,oxidation,andcolortransfer.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD2724TestMethodforBondStrengthofBonded,Fused,andLaminatedApparelFabricsD3136TerminologyRelatingtoCareLabelingforApparel,Textile,HomeFurnishing,andLeatherProductsD5497TerminologyRelatingtoButtons(Withdrawn2011)33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,refertoTerminologiesD123,D5497,andD3136.4.SummaryofTestMethod4.1Specimensaresewnontofabricandsubjectedtocom-mercialdrycleaning.Thedrycleanedspecimensaremeasuredandvisuallycomparedtoanoriginalspecimen.5.SignificanceandUse5.1Thistestmethodis...
