Designation:D2061−07(Reapproved2021)StandardTestMethodsforStrengthTestsforZippers1ThisstandardisissuedunderthefixeddesignationD2061;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofthestrengthsforzipperandzipperparts.Allmethodsarenotsuitableforusewithallkindsofzipper.Therestrictions,ifany,areindicatedinthescopeforeachindividualtestmethod.Thetestmethodsappearasfollows:SectionsHoldingStrengthsofSeparableUnits25–32HoldingStrengthofSliderLock92–100HoldingStrengthofStops17–24ResistancetoAngularPull-OffofSliderPull82–91ResistancetoCushionedCompressionofSliders33–42ResistancetoPull-OffofSliderPull72–81ResistancetoTwistofPullandSlider52–61SliderDeflectionandRecovery43–51StrengthofChainsandElements9–16TorsionalResistanceofSliderPullforRemovalofComponents62–711.2ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D76/D76MSpecificationforTensileTestingMachinesforTextilesD123TerminologyRelatingtoTextilesD1776/D1776MPracticeforConditioningandTestingTex-tilesD2050TerminologyRelatingtoSubassembliesUsedintheManufactureofTextilesD2051TestMethodforDurabili...