Designation:D2582−16StandardTestMethodforPuncture-PropagationTearResistanceofPlasticFilmandThinSheeting1ThisstandardisissuedunderthefixeddesignationD2582;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthedy-namictearresistanceofplasticfilmandthinsheetingsubjectedtoend-usesnagging-typehazards.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—Filmhasbeenarbitrarilydefinedassheetinghavingnominalthicknessnotgreaterthan0.25µm(0.010in.).NOTE2—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD883TerminologyRelatingtoPlasticsD4000ClassificationSystemforSpecifyingPlasticMateri-alsD5947TestMethodsforPhysicalDimensionsofSolidPlasticsSpecimensD6988GuideforDeterminationofThicknessofPlasticFilmTestSpecimensE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1slittear—asingletearparalleltothedirectionofthefallingcarriage.3.1.2“V”tear—atearthathastwoindividualtearlegs(notnecessarilyofequallength)radiatingapproximately645°fromthepointthetearwasinitiated.4.SignificanceandUse4.1Thepuncture-propagationofteartestmeasurestheresistanceofamaterialtosnagging,ormoreprecisely,todynamicpunctureandpropagationofthatpunctureresultinginatear.Failuresduetosnaggingoccurinavarietyofenduses,includingin...
