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SURFACEVEHICLESTANDARDPerformanceBasedStandardforAcceleratedExposureofAutomotiveExteriorMaterialsUsingAControlledIrradianceXenon-ArcApparatusSAETechnicalStandardsBoardRulesprovidethat:‘‘ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.’’SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2004SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:877-606-7323(insideUSAandCanada)Tel:724-776-4970(outsideUSA)Fax:724-776-0790Email:custsvc@sae.orgSAEWEBADDRESS:®J2527ISSUEDFEB20041.Scope1.1ThisSAEStandardspecifiestheoperatingproceduresforacontrolledirradiance,xenon-arcapparatususedfortheacceleratedexposureofvariousexteriorautomotivematerials.1.2ThisisaperformancestandardbasedonthetestparametersofSAEJ1960.1.3Thesamplepreparation,testdurations,andperformanceevaluationproceduresarecoveredinmaterialspecificationsofthedifferentautomotivemanufacturers.1.4EquipmentqualifiedtoperformthistestisdeterminedbymaterialtestcomparisonbetweeninstrumentsapprovedforSAEJ1960andthoseintendingtoperformSAEJ2527.Aspecifictestprotocoltocomparenewtestequipmenttothosepreviouslyapprovedmustbedonebymaterialtestcomparisonbythecontractualparties.Theinterestedcontractualcompaniesshallidentifydetailsofthetestprotocolandthematerialstobetested.Atthetimeofpublicationofthistestmethod,thiscommitteeisdevelopinga‘ProtocolToVerifyNewTestApparatus’identifiedasSAEJ2413.2.References2.1ApplicablePublicationsThefollowingpublicationformapartofthisspecificationtotheextentspecifiedherein.ThelatestissueofSAEpublicationsshallapply.2.1.1SAEPUBLICATIONSAvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.–InstrumentalColorDifferenceMeasurementforExteriorFinishes,TextilesandColoredTrim,RecommendedPracticeSAEJ1960-AcceleratedExposureofAutomotiveExteriorMaterialsUsingaControlledIrradianceWaterCooledXenonArcApparatusSAEJ2527IssuedFEB2004-2-2.1.2ASTMPUBLICATIONSAvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959.—Thesedevicesprovideanestimationofthemaximumtemperatureaspecimenmightattainduringexposuretonaturalorartificiallight.SAEJ2527IssuedFEB2004-3-3.2BST–BlackStandardThermometer-InsulatedBlackPanelThermometer-RefertoASTMG151Annex2fordefinition.3.3OtherDefinitionsDefinitionsapplicabletothisstandardcanbefoundinASTMG113.4.SignificanceandUse4.1Thistestmethodisdesignedtosimulateextremeenvironmentalconditionsencounteredoutsideavehiclesuchassunlight,heat,andmoisture(intheformofhumidity,condensation,orrain)forthepurposeofpredictingtheweatheringperformanceofautomotivematerials.5.Apparatus5.1Theequipmentmanufacturerisresponsiblefortheapprovaloftheequipmentandforprovidingtheproofofcomplianceofthecriticaltestparameters,includingthedifferentspectralpowerdistributions(SPDs)thatarerequiredbycontractualparties.Materialsusedforthecompliancetestingshouldincludetheapprovedlotsofstandardreferencemateri