Designation:F2054/F2054M−13StandardTestMethodforBurstTestingofFlexiblePackageSealsUsingInternalAirPressurizationWithinRestrainingPlates1ThisstandardisissuedunderthefixeddesignationF2054/F2054M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscovertheprocedurefordeterminingtheminimumburststrengthofasealplacedaroundtheperimeterofaflexiblepackageasitisinternallypressurizedandenclosedwithinrestrainingplates.1.2ThetestmethodsdescribedhereinarefunctionallysimilartoTestMethodsF1140withtheexceptionoftheuseofrestrainingplates.TestMethodsF1140describesmethodsofbursttestingthatdonotincludetheuseofrestrainingplatesandaresuitabletodetermineapackagesgeneralabilitytowithstandpressurizationstresses.UnderTestMethodsF1140thestressesarenotdistributeduniformlytoallareasofthepackageseal.Underunrestrainedconditionsthestressonthepackageishighestatthemiddleofthepouchwhereitinflatestothepackagesmaximumdiameter;therefore,TestMethodsF1140maynotreliablydetecttheweakestareaoftheseal.1.3Thebursttestinternallyandincreasinglypressurizesapackageuntilanareaofthepackagesealaroundtheperimeter“bursts”openinresponsetopressurization.Byplacingthepackagewithinrestrainingplatesduringpressurization,thedimensionalstabilityofthepackageismaintainedinamannerthatresultsinstressesappliedmoreuniformlyalongtheperimeterofthepackage,wheresealsarenormallyplaced.Thisallowsthetesttohaveahigherprobabilityofdetectingtheweakestareaofthesealandprovideameasurementofthepressurerequiredto“burst”openthepackage.1.4Thistestonlyappliestoflexiblepackageswithsealsplacedaroundtheperimeterofaflexiblepackage(oftenreferredtoasapouch).Inparticularitisintendedasapplicabletopackageswithsealsthathaveapeelablesealfeature(peeledopenbyendusertoremovecontentsofpackage).1.4.1Porousbarriermaterials’failuretor...