Designation:G147−17StandardPracticeforConditioningandHandlingofNonmetallicMaterialsforNaturalandArtificialWeatheringTests1ThisstandardisissuedunderthefixeddesignationG147;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversspecimenpreparation,identification,packing,shipping,handling,andconditioningbefore,during,andafternaturalandartificialweatheringtesting.1.2Thispracticeincludesdetailsontheconditioningofspecimensafterexposureandbeforeexamination.Thisprac-ticealsocoverslong-termstorageoffilespecimens.1.3Conditioninginthispracticedoesnotrefertothespecificactofexposingthespecimenstotheweatheringfactors.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoequivalentISOstandarddescribingproceduresforidentification,shipping,conditioning,andhandlingofspecimensintendedfornaturalorartificialweatheringtests.ISO139andISO291describeproceduresusedforconditioningspecimenspriortoandduringphysicalpropertytesting.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD1729PracticeforVisualAppraisalofColorsandColorDifferencesofDiffusely-IlluminatedOpaqueMaterialsD1776PracticeforConditioningandTestingTextilesD3924SpecificationforEnvironmentforConditioningandTestingPaint,Varnish,Lacquer,andRelatedMaterials(Withdrawn2016)3E41TerminologyRelatin...
