SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.QUESTIONSREGARDINGTHISDOCUMENT:(412)772-8512FAX:(412)776-0243TOPLACEADOCUMENTORDER;(412)776-4970FAX:(412)776-0790SAEWEBADDRESShttp://www.sae.orgCopyright1993SocietyofAutomotiveEngineers,Inc.Allrightsreserved.PrintedinU.S.A.SURFACEVEHICLE400CommonwealthDrive,Warrendale,PA15096-0001RECOMMENDEDPRACTICEAnAmericanNationalStandardJ1351REAF.JUN93Issued1981-07Reaffirmed1993-06SupersedingJ1351APR87HOTODORTESTFORINSULATIONMATERIALSForeword—ThisReaffirmedDocumenthasbeenchangedonlytoreflectthenewSAETechnicalStandardsBoardFormat.1.Scope—Thistestappliestovariousmaterialsusedforinsulationandotherapplications.1.1Purpose—Thepurposeofthistestistoevaluateandcomparetheodorcharacteristicsofvarioustrimandinsulationmaterialsandcomposites.Odorisadifficultpropertytoquantify.Therefore,thedatafromthistestareprobablymostusefulwhencomparedtodataobtainedfromsampleswithknownodorcharacteristics.2.References—Therearenoreferencedpublicationsspecifiedherein.3.Apparatus3.1MetallicCans—Thevolumeofthecansshouldbeabout1L(1.06qt).Thecansmustbeodorless,bothatroomtemperatureandat65°C(149°F).Thecansshouldhaveloose-fittinglidswhichcanbeeasilyremovedandreplaced.3.2Oven—Theovenshouldbeanair-circulatingtypeabletomaintainatemperatureof65°C±3°C(149°F±5°F).3.3OdorPanel—Toobtainconsistentdata,anodorpanelshouldbecarefullyselected.Strongsmokers,heavyusersofaromaticcosmetics,habitualgumortobaccousers,orpeoplewithsinusproblemsmaynotbesuitable.Onceselected,thepanelshouldremainasstableaspossible.3.4TestRoom—Testsshouldbeconductedinanodor-freeenvironment.Conditionedspaceisdesirable,butnotrequired.4.TestSpecimensandConditioning—Testspecimensshouldberepresentativeofthematerialorcompositebeingevaluated.Testspecimensshouldhavesurfacearea(includingallsurfaces)of250cm2±25cm2(0.28ft2±0.028ft2).Testspecimenscanbecuttoanydimensioncompatibletothedimensionsofthecan,providedthespecimensurfaceareaismaintainedat250cm2.Priortothetest,thespecimensshouldbeconditionedfor24hat21°C±1°C(70°F±2°F)and50%RH±5%RH.SAEJ1351ReaffirmedJUN93-2-5.Procedure5.1Toavoidcontamination,thoroughlycleanthecans(includinglids).Rinsethecanswithhotwater.Scrubthecanswithalaboratoryglasswaredetergent.Rinsethoroughlywithcoldwater.5.2Samplesaretobetesteddryandinpresenceofmoisture.Forthedrytest,placeatestspecimeninacanandcoverwiththelid.Forthewettest,put2ccofdistilledwaterandthetestspecimeninacanandcoverwiththelid.Includeoneemptycanforcontrol.5.3Placecansinanovenpreheatedto65°C±3°C(149°F±5°F)for1h.Thistemperaturewasselectedtoberepresentativeofautomotiveapplications.However,atthediscretionofthetestengineer,thetemperaturecanbemodifiedtoanytemperatureorsetoftemperatures.CAUTION—Thistestshouldnotbeusedtotestmaterialsthatwillreleasetoxicfumes.Thetestengineershouldbeawareofthechemicalcompositionofthematerialsbeingtested.Inallcases,observersshouldbeinstructedtoslowlyinhaletheairfromthecanstominimizetheriskofinhalingnoxiousfumes.5.4Removethecans.Thefirstpanelistshouldpositionhisheadnearthecontrolcan(about15cmaway)andremovethelid.Then,withacuppedhand,heshoulddrawtheairfromthecantohisnoseandslowlyinhale.Heshouldthenimmediatelyrepeattheprocedureforthefirsttestspecimen(dry)andrecordtheappropriateratinglistedinSection6.Lidsshouldnotbeoffthecanslongerthan5s.Testsmustbeconductedinanenvironmentfreefromdraftsandcontaminantodors.5.5Wait2minandrepeatstep5.4forthewettestspecimens.5.6Repeatsteps5.4and5.5foreachsample.5.7Replacethecansintheovenfor15minbetweenobserversandrepeatsteps5.4,5.5,and5.6foratleastthreepanelists.5.8Reportdescriptionoftestsamples,medianandrangeofratings,andanydeviationsfromthetestprocedure.6.OdorScale—SeeTable1.Notethatthescaleisarbitrary.Sincethetestappliestoavarietyofmaterialsandapplications,itisnotpracticaltoassignastandardforeachrating.Thetesterhastheresponsibilitytoestablishthelevelofodorthatappliestoeachscaleratingdependingontheparticularapplicationandmaterialsbeingused.PREPAREDBYTHESAESOUNDANDHEATINSULATIONMATERIALSCOMMITTEETABLE1—ODORSCALERatingDescription1Nonoticeableodor2Slight,butnoticeableodor3Definiteodor,butnotstrongenoughtobeoffensive4Strongoffensiveodor5VerystrongoffensiveodorSAEJ1351ReaffirmedJUN93Rationale—Notapplicable.RelationshipofSAEStandardtoISOStandard—Notapplicable.Application—Thistestappliestovariousmaterialsusedforinsulationandotherapplications.ReferenceSection—Therearenoreferencedpublicationsspecifiedherein.DevelopedbytheSAESoundandHeatInsulationMaterialsCommittee
