VDA 277 汽车标准

《VDA 277 汽车标准》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

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

2、sdeterminedwithdirectorindirectinfluenceforthepassenger'scellofautomobilesstand.Itmeasuretheemissionpotentialofamaterial,thesumofallreleasevaluesoftheemittedsubstanceswithgaschromatographanddetectionwithaFlameionizationdetector.Thetestoperatedbymeansofsteamspaceanalysis(Head

3、Spacetechnology)attemperatureof120ºC.1.2RequirementsTheaccompanyingsample,therespectiverequirementsaswellasspecialmethodisofthesuitablespecificationtotakedrawingorthelike.Ifmaterialsarecomposedofdifferentcomponents,aseparatecheckisrequiredforeverysinglematerial.2.Testprepara

4、tionsTransportandstorageofthetestshastooccurinanaluminumcoatedPolyethylenbeutel.Thesamplinghasimmediatelyafterincominggoodsorinacondition,whichcorrespondstothis,totakeplace.Thetimesoftheincominggoodsandthesamplingaretobelabelled.Thereisnoconditioningofthetestasarule.Exceptof

5、itarephysicalmaterials(cotton,wood,leather,wool).Thesematerialsaredriedbeforetheweightedsampleinthechoppedupstatefor24hourswithcalciumchloride(CaCl2).Thetestistobeinferredattheagreedplaceaboutthewholetestcrosssectionfromthecomponent.Thesamplesarechoppedupinpieceswithaweightm

6、orethan10mgandlessthan25mg,withoutthetestwarmsitselfup.Ifnecessary,anothertestpreparationscanbealsoundertakenandsuchdeviationfromstandardshouldbementionedinthefinalresult.ThetestamounttoberockedtosleepisdirectedafterthesizeoftheHeadSpaceoflittleglasswhoseleastcontents5mlmust

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

8、ghtedtestparticlesbecomeinaHeadSpacelittleglasses(least3littleglassespertes