VDA277汽车标准.pdf

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1、DeterminationofOrganicEmissionofNon-metallicmaterialsfromvehiclesInteriorVDA277Contents1.General2.Testpreparations3.Testingsetsandconditions4.Attemptrealization5.Calibration6.Evaluation1.General1.1PurposesAccordingtothistestmethod,theorganicemissionfromnon-metallicmateri

2、alsisdeterminedwithdirectorindirectinfluenceforthepassenger'scellofautomobilesstand.Itmeasuretheemissionpotentialofamaterial,thesumofallreleasevaluesoftheemittedsubstanceswithgaschromatographanddetectionwithaFlameionizationdetector.Thetestoperatedbymeansofsteamspaceanaly

3、sis(HeadSpacetechnology)attemperatureof120ºC.1.2RequirementsTheaccompanyingsample,therespectiverequirementsaswellasspecialmethodisofthesuitablespecificationtotakedrawingorthelike.Ifmaterialsarecomposedofdifferentcomponents,aseparatecheckisrequiredforeverysinglematerial.2

4、.TestpreparationsTransportandstorageofthetestshastooccurinanaluminumcoatedPolyethylenbeutel.Thesamplinghasimmediatelyafterincominggoodsorinacondition,whichcorrespondstothis,totakeplace.Thetimesoftheincominggoodsandthesamplingaretobelabelled.Thereisnoconditioningofthetest

5、asarule.Exceptofitarephysicalmaterials(cotton,wood,leather,wool).Thesematerialsaredriedbeforetheweightedsampleinthechoppedupstatefor24hourswithcalciumchloride(CaCl2).Thetestistobeinferredattheagreedplaceaboutthewholetestcrosssectionfromthecomponent.Thesamplesarechoppedup

6、inpieceswithaweightmorethan10mgandlessthan25mg,withoutthetestwarmsitselfup.Ifnecessary,anothertestpreparationscanbealsoundertakenandsuchdeviationfromstandardshouldbementionedinthefinalresult.ThetestamounttoberockedtosleepisdirectedafterthesizeoftheHeadSpaceoflittleglassw

7、hoseleastcontents5mlmustamount.Per10mllittleglassvolumesaretoberockedtosleep1.000g+0.001g(i.e.maximumcontenterror0.1%)testmaterial.Metalaretoberemovedbeforeweighting.Whenmetalpartsareliabletoorganicsubstances,forexample,varnish,pastes,shouldbeseparatedmechanicallyatfirst

8、andthentorocktosleep.1TheweightedtestparticlesbecomeinaHeadSpacelittleglasses(least3littleglassespertes