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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.asticsStandardatmospheresforconditioningandtestingISO2859-1.rf1.u(y1.imit(AQ1.)forforbyISO2859-2,Samp1.in
