1、INTERNATIONA1.STANDARDISO4589-4editionFirSt202104P1.asticsDeterminationofburningbehaviourbyoxygenindex一闻gjgasve1.ocitytestP1.astiquesDeterminationduComportementaufeuaumoyendeindiced,oxyfgene一Partie4:EssaiaVitesSee1.eveeciegazReferencenumberISO458942021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUc
2、dOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishe
3、dinSwitzerhndContentsPageForewordivIntroduction2Scope.v1飞Normativereferences.ATermsanddefinitions1-Princip1.esfordeterminationofHOI2OO叩一7Ca1.ibrationofequipment7Preparationoftestspecimens77.1Testspecimenform77.2Samp1.ing87.4Iteitkingsn4iiesCnb11iniHi(1.preparation8o7.5Conditioning8Procedurefordeterm
4、inationofKOI88.1SettincUDtheaoDaratus88.2Settingvo1.umefractionofoxygenandgasf1.owve1.ocity9O8.5Se1.ectingsuccessivevo1.umefractionofoxygen108.6DeterminingthePreHminaryvo1.umefractionofoxygen9Ca1.cu1.ationandexpressionofresu1.ts119.1Ca1.cu1.ationoftheHOI9.2Determinationofk1210jIPrecisionoftestresii1
5、ts13IeeStreport12，2AnnexA(normative)Ca1.ibrationOfequipinent.14AnnexB(informative)Examp1.eoftestresu1.tssheetforHOI15AnnexC(informative)Inter1.aboratorytestdataonHOImeasurement.18AnnexD(informative)B1.ow-offbehaviourathighgasve1.ocityHowtopredictthef1.ammabi1.ityofmateria1.s20Bib1.iography29Forewor
6、dISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMdniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sot
7、akepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare蜩则搬OfISO1.ECdj三牺山糖ntW三W蝌er%COrdanCetheeditoria1.ru1.esoftheISO/IECDirec
8、tives.Part2(seewww.iso.org/direc1.ives).时歌ionrightsd般掂出1n隔嗯琳娜ns副神鹿设游硕热刑出doc1.三r强心创1.subjectofanypatentrightsidentifiedduringthedeve1.opmerUU4iewU-w4JbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinfo
9、rmationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand哪蝴蜘明瓶ationc。的福P奥庭腕Mthe喂济IIi潴称柝蒲tier/池微件筋3W?isoforeword.htn1.恸WVioUrdOCUmentwaspreparedbyTechnica1.CommitteeISO/TC61,P1.astics,SubcommitteeSC4,Burning1.istofa1.1.partsintheIS
10、O4589seriescanbefoundontheISOwebsite.An)IWNI板虫喉fikhttwnshh1.1.iesthiscabd加UMHtShoUWWWdMwHISiHemwUhW4nationa1.standardsbody.AIntroductionThisdocumenthasbeenpreparedtoextendthetestmethodsavai1.ab1.eforthedeterminationofamtrti1.jnH)exqpR(iindexa(iDicehighersiga8Howh叩竭g回Sihmhenuhinuj(Whid)SpfaiificdinIS
11、O4589-2.Thegasve1.ocityatthepositionofthetestspecimenismeasuredpriortothetest.救F搦牌献即息配豁ed1a瞬ak的腼entci11假孤es游期mp1.ej屏觊渊摘册aiM棉Wgovernsthesupp1.yofoxygentothefire.SeeReferences(10to16.P1.asticsDeterminationofburningbehaviourbyoxygenindex一Highgasve1.ocitytest1ScopeNOTETheresu1.tisexpressedasahighgasve1.
12、ocityoxygenindex(HOI).f1.exib1.emethodnateria1.sapp!icab1.earesupportedvertica1.1.ybyspecifiedspecimenho1.der,a1.soapp1.icab1.eto2 Normativereferencesconstitutesrequirements1.atestCdiHOndoCUment.referencedreferences,(inc1.udingamendments)app1.ies.app1.ies.acceptanceSamp1.ingprocedures1.nt-hy-1.otins
13、pectionattributesPart1:Samp1.ingschemesindexedbyqua1.ity(1.Q)foriso1.ated1.otinspection3 Termsanddefinitionsnatthefo1.1.owingISOandIECmaintaintermino1.ogica1.databasesforUSeinStandardizatiOaddresses：3.1 IECE1.ectropedia:avai1.ab1.eathttpvvv.eIeetroPedia.orghighgasve1.ocityoxygenindexHOINotemm/s,entr
14、y:Thespecifiedgasve1.ocityIsgreaterthan40mm/sandistypica1.1.ybetween600mm/sandPart4:Thisdocumentspecifiesatestmethodfordeterminingtheminimumvo1.umefractionofoxygen,inadmixtreundernitrogen,atambienttemperatrerhighersupportsCombustionISO45892.vertica1.sheettestInaddition,thisdocumentspecifiesthetestin
15、gapparatusfordeterminingtheHOI.Thetestsheetthattomateria1.sintheformofasheetsupto2thick.ItisThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.Oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.ytheanyeditioncitedForISO291:2008,P1.asticsStandardatmospheresforconditi
16、oningandtestingISO2859-1.rf1.u(y1.imit(AQ1.)forforbyISO2859-2,Samp1.ingproceduresforinspectionbyattributesPart2:Samp1.ingp1.ansindexedby1.imitingISO13943,FiresafetyVocabu1.aryForthepurposesofthisdocument,thete11nsanddefinitionsgiveninISO139431.andthefo1.1.owingapp1.y.ISOOn1.inebrowsingp1.atform:avai
17、1.ab1.eathttps:/www.iso.org/obpminimumvo1.umefractionofoxygen,inamixtureofoxygenandnitrogen,ataspecifiedgasve1.ocitythatsupportsamingcombustionofamateria1.underspecifiedtestconditions100O1.toKWt2t11s),cntry:ThCHOIisusua1.1.yexpressedasapercentage,atthegasve1.ocityused(c.g.HOI=34,6%,4Princip1.esforde
18、terminationofHOIAsma1.1.testspecimenissupportedvertica1.1.yinamixtureofoxygenandnitrogenthatf1.owsupwardsCbrrtWbedZauin加MuTdh*ihneyitt1.rwsupportedbythevertica1.edgesoftheframesofthespecimenho1.der.Thevertica1.framesofthespecimenho1.dersha1.1.havereferencemarksat20mm,100mmand140mmasshowninFigure2and
19、Figure3.Thesurfacesf1.owinspecimenho1.deranditssupportsha1.1.besmoothinordertominimizetheturbu1.enceofthegasDimensionstnmi1.1.imetreswithto1.erances10.252 1.owerreferencemark3 positioningmarkforthetopedgeofthetestspecimenNOTEThetestspecimenIshF娘忸锵Si曲隔屣E邺岫hVgWMK斤Forksmadeofstain1.essstee1.(OptionAhan
20、gingspecimenho1.der)Dimensionsinmi1.1.imetreswithto1.erances0,252 1.owerreferencemark3 positioningmarktorthebottomedgeofthetestspecimenNOTEThetestspecimenisS1.f曲Yft用J相仲消OrkSmadeofstain1.essstee1.(OptionB:Specimenho1.dersupportedfromthebottom)5.3Gassupp1.iessha1.1.besupportingoxj/nitregenm血redodtyOoO
21、mm/sthechimney.TbeIug明y211rteitifeyseniircE电hernHairUPPt即ribdrtfum函tt1.hRgMS姚rtJthnt1.5892SPeCifiRdin5.4WhKhsuitab1.eandadjustingfractionOxygeninagasmixtureenteringChimmJyRhafttfu1.ocitjttfJtiieo1.krhithiiKthceWM1.1.nU66Chimng1.O0f1.WUehm/Smms.mmsat232.Thegasve1.ocityThegascontro1.systemsha1.1.a1.so
22、becapab1.eofsupp1.yingtheOXygw/nitrogengasmixtureatthegasve1.ocityof100mm/sor1.essfortheignitionstageofthetest(see8.3).Meanssha1.1.beprovidedforensuringthatthetemperatureofthegasmixtureenteringintothechimneyis232.Ifsuchmeansinvo1.vesaninterna1.probe,itspositionandprofi1.esha1.1.bedesignedtominimizet
23、heturbu1.encewithinthechimney.群耳Ithasbeenfoundthatthetemperaturemeasurementcanbedonehyadevicespecifiedin5.9and/191718Anexamp1.eofthesuitab1.e西contro1.systemisgiveninFigure4.Key12151216邑1413-10Qj2345678910-12bypassout1.et13 11owratecontro1.va1.ve14 open/shutva1.ve15mixedgassamp1.ingport16 f1.owrateco
24、ntro1.va1.ve17 coup1.er(p1.ug)18coup1.er(socket)19 testchimneyg1.asstube20 igniterFigure4-Examp1.eofdiagramofgascontro1.system5.5ana1.ysersha1.1.SrmeasudRgfractionIhegjanixturcenicringchimneyreso1.ution0.1NOTE1Ithasbeenfoundthatparamagneticoxygenana1.ysersmeettheaccuracyrequirements.NOTE2Incasethevo
25、1.umefractionofoxygenaroundthepositionofthespecimendiffersfromthatcontro1.1.edattheairsupp1.y1.ine,troub1.eshootingwi1.1.1.ienecessary.61.6Theamefue1.supp1.yProPane,adjustedSopremixedtheThevo1.umefractionpropaneoxygenrsha1.1.tota1.atameUseofaf1.ameheightgaugeisrecommended.1.81.9usua1.1.ycanAmeasurea
26、nemometertemperaturebeenSpecifiedsuitab1.eforthispurpose.Ithasbeenfoundthatthisdevicetemperaturetemperature(Ievicehaveantemperaturemeasurementdeviceformeasuringthegas6 Ca1.ibrationofequipmentinstructionsgivenperiodsAnnexAinTab1.e1.themaximuminterva1.betweenreca1.ibrationandtheuseTab1.e1-Equipmentca1
27、ibrationfrequencies1.eaktestsforgassystemjoints(asrequiredby-A4)Massf1.owcontro1.1.er(asrequiredbyA.5)1year7 PreparationOftestspecimens7.1 Testspecimenformmethod.Testspecimenform*V*isf1.exib1.efi1.morsheetandsha1.1.havethe1.engthof(14005)mmand7testspecimenigniterissuingfrmcompriseaoftubemmthatInmbe
28、diameterintoendchimneytube.app1.ytothe98%,Thesha1.1.besha1.1.bewithoutthat,forair.setpuritytheOfgasthebe1.eastheightis16mm4mmwhenthetubeisvertica1.withinthechimney.5.7Timingdevice,whichsha1.1.becapab1.eofmeasuringperiodsupto5minwithanaccuracyof0,5s.removefumesextractionexpe1.1.edwhichchimneyWithouto
29、fdisiuptingsufficientVend1.ationtemperaturestothechimney.gasve1.ocityve1.ocitymeasurementdevice,tcstancmometer,whichrcso1.utioncapab1.eO,01measuringvertica1.NOTEa1.sohot-wircgashasasfoundin5.10.5.10Gasinthechimneysha1.1.Theaccuracyandreso1.utionof0.5K.Forconformancewiththismethod,ca1.ibratetheequipm
30、entperiodica1.1.yinaccordancewiththeconformstheinstatedsothatItemMaximumperiodbetweenca1.ibrationsGastemperaturemeasurementdevice(asrequiredbyA.6)1yearOfthesixspecimenformsHStedinISO4589-2:2017.Tab1.e2,on1.yoneformVisusedinthistestwidthof(52+0,5)mm.Thethicknessoftwatspecimensha1.1.beupto2mm.7.2 Samp
31、1.ingObtainasamp1.esufficientforpreparationofat1.east15testspecimensfortestsinagasve1.ocity.Theaaop1.1.nria1.1.*wiiStke2)8591adSdancva069s2,thna(hb1.e.specification.Other,ise,itsha1.1.betakenin7.3TestspecimendimensionsandpreparationThetestspecimensha1.1.bemadebyanyapp1.icab1.eproceduresthatcomp1.ywi
32、ththeappropriatemateria1.specification(seeNOTE1)orISOmethods(seeNOTE2)forpreparingspecimens,mou1.dorcutNeeqekeEtoi!ene-1.privdtdEtific3ii4he,ptjiymer).ofthetestspecimenNOTE2Intheabsenceofare1.evantspecification,oneormoreproceduresinISO293,ISO294,ISO295.ISO2818orISO3167canbeused.Ensurethatthesurfaces
33、ofspecimensaredeanandfreefrom(1.awsthatcou1.daffectburningbehaviour(e.g.periphera1.mou1.dingf1.ashorburrsfrommachining).positionandorientationoftestspecimenswithrespecttoanyasymmetryinthesamp1.emateria1.Mo网苗IinMfjM。RtMtotym朋(tibrnt&vti如HKftiE好esuhenh0t1.fotgfiehimonicbiimidtfhtbnVioiirdiKectionsfrom
34、asymmetrica1.1.yorientedthermop1.asticsfi1.m).7.4 MarkingoftestspecimenThetestspecimenssha1.1.bemarkedat20mmand100mmfiomtheendatwhichthespecimenistobeinited.Conditioning柏3JWfiimfigf的片由FStab设函族244隆双诙靛世PFd瀚岫Wrt恸尚CAftera1.1.owtoconducttest.Otherwise,fo1.1.owISO291:2008,8.1.tokeepspecimeninconditioningc
35、hamberforat1.east88h(maximumdurationis88h).materia1.spft1.y(mftWningvo1.ati1.e2toeStef三shou1.dhunjfeyspecimensmaybepurgedsatisfactori1.ybypre-conditioningat60insuitab1.eventi1.atedovensfor168h.1.argerb1.ocksofsuchmateria1.smayrequire1.ongerpre-treatnent.Itisimportantthatfaci1.ities(VAt7r1.texD.8.2.3
36、Shutthebypassva1.ve(device10inFigure4).Setthegasmixingandf1.owcontro1.sfornitrogenandoxygensupp1.y(devices3to8inFigure4)sothatanoxygen/nitrogenmixtureat23t2containingthepre-determinedvo1.umefractionofoxygenisf1.owingatthese1.ectedgasve1.ocitywithinthechimney.8.2.4Measurethevo1.umefractionoftheoxygen
37、usingoxygenana1.yser(see5.5)whichsamp1.esthemixturegasatthegassamp1.ingport(device15ofFigure3).Recordthevo1.umefractionofoxygen.8.2.5TheMOdtyIeJtdIimMy1.eve1.topSpednwnboriioiiufiyfromtheentrechimneyHBaS1.specifiedin5.9.Thegasve1.ocitysha1.1.beWithin50mm/softhedesiredva1.ue.Thegasve1.ocitycanbecontr
38、o1.1.edbythef1.owratecontro1.va1.ve(device16inFigure3).8.2.6Oncethepredeterminedvo1.umefractionofoxygenandgasve1.ocityareobtained,keep1.eftthemassf1.owcontro1.1.erofoxygenandnitrogenuntouched(device7and8inFigure3).Forshuttingthef1.owOtoxygenandnitrogen,usesupp1.yva1.vesofthesegases(device4and5inFigure3).8.3 Procedureforignitionofthetestspecimen8.3.1Mountatestspecimenvertica1.1.yinthecentreofthechimneysothatthetopofthetestspecimenisat1.east30mmbe1.owtheopentopofthechimn
