Designation:D5208−14StandardPracticeforFluorescentUltraviolet(UV)ExposureofPhotodegradablePlastics1ThisstandardisissuedunderthefixeddesignationD5208;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ThispracticecoversthespecificproceduresapplicableforfluorescentUltraviolet(UV)exposureofphotodegradableplasticsconductedinaccordancewithPracticesG151andG154.Thispracticealsocoversthepreparationoftestspeci-mensandtheevaluationoftestresults.1.2PracticeD4329coversfluorescentUVexposuresofplasticsintendedforlongtermuseinoutdoorapplications.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D3826PracticeforDeterminingDegradationEndPointinDegradablePolyethyleneandPolypropyleneUsingaTen-sileTestD4329PracticeforFluorescentUltraviolet(UV)LampAp-paratusExposureofPlasticsD5870PracticeforCalculatingPropertyRetentionIndexofPlasticsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodG113TerminologyRelatingtoNaturalandArtificialWeath-eringTestsofNonmetallicMaterialsG141GuideforAddressingVariabilityinExposureTestingofNonmetallicMaterialsG147PracticeforConditioningandHandlingofNonmetal-licMaterialsforNaturalandArtificialWeatheringTestsG151PracticeforExposingNonmetallicMaterialsinAccel-eratedTestDevicesthatUseLaboratoryLightSourcesG154PracticeforOperatingFluorescentUltraviolet(UV)LampApparatusforExposureofNonmetallicMaterialsG169GuideforApplicationofBasicStatisticalMe...
