Designation:D5031/D5031M−13StandardPracticeforEnclosedCarbon-ArcExposureTestsofPaintandRelatedCoatings1ThisstandardisissuedunderthefixeddesignationD5031/D5031M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ThispracticecoverstheselectionoftestconditionsforacceleratedexposuretestingofcoatingsandrelatedproductsinenclosedcarbonarcdevicesoperatedaccordingtoPracticesG151andG153.Thispracticealsocoversthepreparationoftestspecimens,thetestconditionssuitedforcoatings,andtheevaluationoftestresults.Table1describescommonlyusedtestconditions.1.2Thispracticedoesnotcoverfilteredopen-flamecarbon-arcexposuresofpaintsandrelatedcoatings,whichisdescribedinPracticeD822/D822M.AnotherprocedureforexposingtheseproductsiscoveredbyPracticeD3361/D3361M,inwhichthespecimensaresubjectedtoradiationfromanunfilteredopen-flamecarbonarcthatproducesshorterwave-lengthsandhigherlevelsofshortwavelengthradiationthanfilteredopenflameorenclosedcarbonarcs.NOTE1—PracticeD3361/D3361Mrequiresuseofopen-flamecarbon-arcapparatuswithautomatichumiditycontrol.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D358SpecificationforWoodtoBeUsedasPanelsinWeatheringTestsofCoatings(Withdrawn2014)3D523TestMethodforSpecularGlossD609PracticeforPreparationofCold-RolledSteelPanelsforTestingPaint,Varnish,ConversionCoatin...
