【astm標(biāo)準(zhǔn)】e 1333 - 14

1、Designation:E1333?14StardTestMethodfDeterminingFmaldehydeConcentrationsinAirEmissionRatesfromWoodProductsUsingaLargeChamber1ThisstardisissuedunderthefixeddesignationE1333thenumberimmediatelyfollowingthedesignationindicat

2、estheyearofiginaladoptioninthecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thistestmethodmeasure

3、sthefmaldehydeconcentrationinairemissionratefromwoodproductscontainingfmaldehydeunderconditionsdesignedtosimulateproductuse(see11.5Note9).Theconcentrationinairemissionrateisdeterminedinalargechamberunderspecifictestcondi

4、tionsoftemperaturerelativehuity.Thegeneralproceduresarealsointendedftestingproductcombinationsatproductloadingratiosatairexchangeratestypicaloftheindoenvironment(1).2Theproductstestedtheloadingratiostheairexchangeratesem

5、ployedaredescribedinthetestrept.1.2Thistestmethoddeterminestheaveragefmaldehydeconcentrationinairemissionratefromanumberoflargesizesamples.Theaverageconcentrationemissionratereptedthuswillnotprovideinfmationonhigherlower

6、emittingpanelsinthetestlot.1.3Thismethodisprimarilyusedftestingnewlymanufacturedpanelproductsthatareshippedftestingeithersealwrappedinpolyethylenewithwastersheetswithboth.Whenthistestmethodisusedfevaluatingotherthannewly

7、manufacturedpanelproducts(afteriginalapplicationinstallationuse)themethodofpackagingshippingtheproductftestingshallbedescribedinthetestrept.1.4Thequantityoffmaldehydeintheairsampletakenfromthechamberisdeterminedbyanadapt

8、ationoftheNationalInstitutefOccupationalSafetyHealth(NIOSH)chromotropicacidtestprocedure.Ifanotheranalyticalprocedureisusedtodeterminethequantityoffmaldehydeintheairsamplethatprocedureshallgiveresultsofequivalentgreatera

9、ccuracyprecisionthantheadaptedchromotropicacidprocedure.Detailedproceduresbasedonacetylacetonepararosaniline(seeTestMethodD5221)24dinitrophenylhydrazine(DNPH)(seeTestMethodD5197)3methyl2benzothiazoline(MBTH)(seeTestMetho

10、dD5014)havebeenfoundtogiveresultsequivalentgreaterinaccuracyprecisionthanchromotropicacid.Thetestreptshallnotetheanalyticalprocedureemployed.NOTE1—3Thechromotropicacidanalyticalproceduredescribedinthistestmethodisapplica

11、bleftestingureafmaldehydebondedwoodproducts.AccdingtoNIOSH(4thEdition81594)thelowendofthewkingrangefthechromotropicacidanalyticalprocedureis0.02ppm.Amesensitiveanalyticalprocedureisrecommendedftestingwoodpanelproductswhe

12、refmaldehydeconcentrationsinairareanticipatedtobeatbelowthislevel.DNPHisrecognizedassuchamethod.1.5ThistestmethodisusedtodeterminecompliancewithrequirementssuchasthoseestablishedfbuildingmaterialsbytheU.S.DepartmentofHou

13、singUrbanDevelopment(HUD)RulesRegulationsHUD24CFR3280fmanufacturedhousingbyMinnesotaStatutesSection144.495CalifniaAirResourcesBoard(CARB)CalifniaCodeofRegulationssections9312093120.12title17AirbneToxicControlMeasuretoRed

14、uceFmaldehydeEmissionsfromCompositeWoodProducts.Measurementresultsarealsousedfcomparingconcentrationsinairemissionratesfromdifferentwoodproducts(2)fdeterminingcompliancewithproductstards.1.6Thistestmethodisnotdesignedfde

15、termininggeneralganicemissionsfromallindomaterialsproducts.NOTE2—ASTMCommitteeD22hasdevelopedGuideD5116whichdescribessmallscaleenvironmentalequipmenttechniquessuitablefdeterminingganicemissionsemissionratesfrommaterialsp

16、roductsusedindos.1.7ThevaluesstatedinSIunitsaretoberegardedasstard.Thevaluesgiveninparenthesesaremathematicalconversionstoinchpoundunitsthatareprovidedfinfmationonlyarenotconsideredstard.1.8Thisstarddoesnotpurpttoaddress

17、allofthesafetyconcernsifanyassociatedwithitsuse.Itisthe1ThistestmethodisunderthejurisdictionofASTMCommitteeD07onWoodisthedirectresponsibilityofSubcommitteeD07.03onPanelProducts.CurrenteditionapprovedOct.12014.PublishedDe

18、cember2014.iginallyapprovedin1990.Lastpreviouseditionapprovedin2010asE1333–10.DOI:10.1520E133314.2Theboldfacenumbersinparenthesesrefertoalistofreferencesattheendofthisstard.3Thenotesappearinginthistestmethodarenotpartoft

19、hematysectionsofthisstardareinfmativeinnatureappearbelowthatsectionofthestardtowhichtheypertain.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates1befreeofrefrigerationcoilsthatc

20、ondensewateritemssuchashuifierswithwaterreservoirsascondensatewillhavethepotentialofcollectingfmaldehydethusinfluencingtestresults.Theinterisurfacesofthechambershallbeofmaterialsfoundtominimizeadsption.(Stainlesssteelalu

21、minumpolytetrafluoethylene(PTFE)haveproducedrecoveriesof≥95%ata0.4ppmfmaldehydechallengeconcentrationinairhavebeenfoundappropriateaschamberliningmaterials.)Alljointsexceptfdosusedfloadingunloadingspecimensshallbesealed.D

22、osshallbeselfsealing.Thetestchambershallbeequippedwithmetalspecimenrackswithdividersspacedaminimumof150mm(6in.)tosupptspecimensonedge.6.1.2MakeUpAir:6.1.2.1Themakeupairshallcomefromafiltereddustfreeenvironmentcontainnotm

23、ethan0.02ppmoffmaldehydeusingthesamplingratevolumeofairasdescribedin10.2.Thisshallbeaccomplishedbypassingmakeupairthroughafilterbedofactivatedcarbonactivatedaluminaimpregnatedwithpotassiumpermanganateothermaterialscapabl

24、eofabsbingadsbingoxidizingfmaldehyde.6.1.2.2MakeupairfthechambermustpassthroughacalibratedtotalizingdrygastestmeterotherairflowratemeasuringdevicepermanentlyplacedinthechamberairintakeductwithcalibrationtraceabletotheNat

25、ionalInstituteofStardsTechnology(NIST).ItisalsoacceptabletocalibratetheairflowratemeasuringdeviceasinstalledusingatracergastechniquedescribedinTestMethodE741.Airchangerateperhour(ACh)iscalculatedas(V2?V1)((t?0)chambervol

26、ume)whereV2V1aredrygastestmeterreadingsincubicmetresattimet(inhours)time0dividedbythechambervolumeincubicmetres.Theairintakeptexhaustptshallbeondifferentwallsofthechamberatdifferentelevations.Thechambertestshallbeoperate

27、datapositivepressureof1Pa(0.004in.ofwater)greaterasdeterminedbyapermanentlymounteddifferentialpressuredevice.6.1.3NonsparkingFanSizingPositioning—Anonsparkingfanshallbeusedtocirculateairwithinthechamber.Theairflowshallbe

28、directedhizontallyinthedirectionofthechamberlengthabovewherethetestsamplesaretobeplacedinthechamber.Thefanshallbesizedpositionedtoachieveaunifmconcentrationinairoffmaldehyde(within0.02ppm)asdeterminedfromaminimumofsixair

29、samplinglocations.Theselocationsshallbeatthreeelevations0.3m(12in.)fromthechamberfloceilingataheightbetween1.31.5m(5159in.)attwoverticalplacementsonethirdthechamberlengthfromeachendofthechamberatchamberwidth.6.1.4AirSamp

30、lingPts—Ftestingatleasttwoairsamplingptsshallbeusedlocatedatequaldistancealongthechamberlengthatanelevationbetween1.31.5m(5159in.)shallbeplacedatleast0.6m(24in.)fromanyinteriwall.Thesamplinglinesshallbeofmaterialsfoundto

31、minimizeadsptionsuchasstainlesssteelPTFEaluminumsecurelyfixedtosupptsduringthetestshallbeasshtaspossible.Thelengthofthesamplinglineoutsidethechambershallnotexceed6m(20ft).6.2Examplesofacceptablereagentsmaterialsequipment

32、areprovidedinAppendixX1.7.Hazards7.1ChromotropicAcidReagentTreatment(see10.3.4A4.5)—Duringthishazardousoperationtheoperatshallwearrubberglovesapronafullfacemaskbeprotectedfromsplashingbyatransparentshieldsuchasahoodwindo

33、w.Thesolutionbecomesextremelyhotduringadditionofsulfuricacid.Addacidslowlytoavoidlossofsampleduetosplattering.7.2CleaningChemicalsfGlassware—Appropriateprecautionsshallbetakenifcleaningchemicalsareconsideredtobehazardous

34、.8.TestSpecimens8.1StardFaceBackConfigurationTesting:8.1.1Loadingratioisdefinedasthetotalexposedspecimensurfaceareaexclusiveofedgeareadividedbythechambervolume(oneffectofloadingrefertoRef(5)).Iftheedgeexposureisgreaterth

35、an5%ofthesurfaceareaincludethetotaledgeexposureareainthecalculationofsurfaceexposurearea.Loadingratiosusedftestingwoodpanelproductscontainingfmaldehydeareasfollows:LoadingRatios2%(m2m3)(ft2ft3)Product0.950.29HardwoodPlyw

36、oodWallPaneling0.430.13ParticleboardFloingMaterialsIndustrialParticleboardPanelsIndustrialHardwoodPlywoodPanels0.260.08MediumDensityFiberboard(MDF)0.130.04LowDensityParticleboardDoCeGradeNOTE4—PanelgradesaredefinedintheA

37、NSIstardsreferencedin2.4.NOTE5—SeeAppendixX3fadiscussionofloadingratios.8.2NonStardSampleConfigurationTesting:8.2.1TestingProductswithSingleSurfaceExposed—Someproductshavesignificantlydifferentfmaldehydereleaseacteristic

38、sfeachsurfacehaveonlyonesurfaceexposedtotheindolivingspace.10Inthosecasespanelsshallbetestedbacktobackwithedgestapedtogether.Thepanelsshallbeidentifiedastestedinthebacktobackmode.8.2.2TestingCabisFurniture—Someproductsar

39、emadeofassembledwoodpanelproducts.Suchitemsshallbedesignatedinthetestreptbytheproductnameadeionofthecabifurnitureitems.(SeeAppendixX4fadiscussionofshipmentofsuchproductsftesting.)8.2.3CombinationTesting—Wheredifferentpro

40、ductsaretestedincombinationthetestreptshallfullydescribethepurposeofthetestthenatureoftheproductsmustnotetheloadingratiosfeachoftheproductstested.NOTE6—HUD24CFR3280doesnotindicatethatpanelsaretested10Examplesofproductsex

41、hibitingthisacteristicareinteriwallceilingfinishbuildingmaterialsthatcontaindecativeliquidappliedfinishesthatmayemitsignificantquantitiesoffmaldehydelaminatesnotcontainingemitablefmaldehydefromtheexposedsurfacesthatarebo