Designation:F3039−15StandardTestMethodforDetectingLeaksinNonporousPackagingorFlexibleBarrierMaterialsbyDyePenetration1ThisstandardisissuedunderthefixeddesignationF3039;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1MethodAofthistestmethoddefinesaprocedurethatwilldetectandlocatealeakequaltoorgreaterthanachannelformedbya50µm[0.002in.]wireintheedgesealsofanonporouspackage.Adyepenetrantsolutionisappliedlocallytothesealedgetobetestedforleaks.Aftercontactwiththedyepenetrantforaminimumspecifiedtime,thepackageisvisuallyinspectedfordyepenetrationor,preferably,thesealedgeisplacedagainstanabsorbentsurfaceandthesurfaceinspectedforstainingfromthedye.1.2MethodBforthistestmethodalsodefinesaprocedurethatwilldetectandlocatealeakequaltoorgreaterthan10µm[0.00039in]diameterinanonporousflatsheet.Theflatsheetisplacedonanabsorbentsurfaceandthenadyepenetrantisspreadacrossthesurfaceofthesheet,preferablyusingasmallrollertoapplypressureonthesheettoensureadequatecontactbetweentheabsorbentsurfaceandthebottomsurfaceofthesamplebeingtested.Theflatsheetiscarefullyremovedandtheabsorbentsurfaceisinspectedforstainingfromthedye.1.3Thesetestmethodsareusedforbothtransparentandopaquenonporoussurfaces.1.4Thesetestmethodsrequirethatthedyepenetranthavegoodcontrasttothematerialsbeingtestedand/ortheabsorbentsurface.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregul...
