Designation:D6486−01(Reapproved2017)StandardPracticeforShortTermVehicleServiceExposureofAutomotiveCoatings1ThisstandardisissuedunderthefixeddesignationD6486;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheprotocolforvehicleserviceexposuretestingofautomotivecoatings.Suchexposuretestingisvaluablefortheverificationoftheperformanceofautomo-tivecoatingsandcorrelationwithlaboratorytestdata.Vehicleserviceexposureisintendedtoprovideshortterm(2to20weeks)exposuretothestressfactorsassociatedwithvehicleoperation.Factorsincludedarescratch,mar,impact,stonechipping,insectimpact,birddropping,treesapandstaining,environmentalfallout,etc.NOTE1—Vehicleserviceexposureisnotintendedtoprovidetheconditionsthatareneededforcharacterizingthelongtermeffectsofweatheringorcorrosionexposure.1.2Theexposureconditionsareproducedbytheplacementofmultipletestpanelsofautomotivefinishesonautomotivetestfleetsthattraverseadefinedroadcourse.Exposuretotheoperatingenvironmentcanbe20h/day,7days/weekallowingforaccumulationofover100000milesin10weeksofexposure.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D523TestMethodforSpecularGlossD609PracticeforPreparation...
