Designation:D5748−95(Reapproved2019)StandardTestMethodforProtrusionPunctureResistanceofStretchWrapFilm1ThisstandardisissuedunderthefixeddesignationD5748;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddeterminestheresistanceofastretchwrapfilmtothepenetrationofaprobeatastandardlowrate,asingletestvelocity.Performedatstandardconditions,thetestmethodimpartsabiaxialstressthatisrepresentativeofthetypeofstressencounteredinmanyproductend-useapplications.Themaximumforce,forceatbreak,penetrationdistance,andenergytobreakaredetermined.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD996TerminologyofPackagingandDistributionEnviron-mentsD1898PracticeforSamplingofPlastics(Withdrawn1998)3D2103SpecificationforPolyethyleneFilmandSheetingE122PracticeforCalculatingSampleSizetoEstimate,WithSpecifiedPrecision,theAverageforaCharacteristicofaLotorProcessE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—Generaldefinitionsforpackaginganddis-tributionsenvironmentsarefoundinTerminologyD996.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1breakforce—forceachievedatbreak.3.2.2energy—worktobreak.3.2.3maximumforce—greatestforceachieve...
