Designation:D1239−22aStandardTestMethodforResistanceofPlasticFilmstoExtractionbyChemicals1ThisstandardisissuedunderthefixeddesignationD1239;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodforresistanceofplasticfilmstochemicalscoversthemeasurementoftheweightlossoffilmafterimmersioninchemicals.NOTE1—ThereisnoknownISOequivalenttothisstandard.NOTE2—Filmisdefinedassheetinghavingnominalthicknessnotgreaterthan0.25mm(0.010in.),inaccordancewithTerminologyD883.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedinotherunitsarenominalvaluesgivenforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D543PracticesforEvaluatingtheResistanceofPlasticstoChemicalReagentsD882TestMethodforTensilePropertiesofThinPlasticSheetingD883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-tics3.Terminology3.1Definitions—Fordefinitionsoftechnicaltermspertain-ingtoplasticsusedinthistestmethod,refertoTerminologyD883.Forabbreviationsusedinthistestmethod,refertoTerminologyD1600.4.SignificanceandUse4.1Thistestmethodisintendedtobearapidempiricaltesttodeterminethelossoftheplasticizerorotherextractablecomponentsfromtheplasticfilmwhenimmersedinliquidscommonlyusedinhouseholds.5.Apparatus5.1...
