Designation:D1435−13StandardPracticeforOutdoorWeatheringofPlastics1ThisstandardisissuedunderthefixeddesignationD1435;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thispracticeisintendedtocoverproceduresfortheexposureofplasticmaterialstoweather.NOTE1—SeePracticeG24foragingunderglass.1.2Thispracticeislimitedtothemethodbywhichthematerialistobeexposedandthegeneralproceduretobefollowed.Itisintendedforusewithfinishedarticlesofcommerceaswellaswithallsizesandshapesoftestspecimens.1.3Meansofevaluationoftheeffectsofweatheringwilldependontheintendeduseforthetestmaterial.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE2—ThisstandardandISO877.2-2009,MethodA,aretechnicallyequivalent.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsE772TerminologyofSolarEnergyConversionG7PracticeforAtmosphericEnvironmentalExposureTest-ingofNonmetallicMaterialsG24PracticeforConductingExposurestoDaylightFilteredThroughGlassG113TerminologyRelatingtoNaturalandArtificialWeath-eringTestsofNonmetallicMaterialsG141GuideforAddressingVariabilityinExposureTestingofNonmetallicMaterialsG147PracticeforConditioningandHandlingofNonmetal-licMaterialsforNaturalandArtificialWeatheringTests2.2ISOStandard:ISO877.2-2009Plastics—Methodsofexposuretosolarradiation—Part2:Directweatheringandexposurebehindglass33.Terminology3.1Definitions—Fordefinitionsoftechnicaltermspertain-ingtoplasticsusedinthispractice...
