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1、INTERNATIONA1.STANDARDISO4674-2editionSecond2021-10Rubber-orp1.astics-coatedfabrics一Determinationoftearresistance一煦圾UCpendu1.ummethodSupportstexti1.esrevetusdecaoutchoucoudep1.astique一DeterminationdeIaresistanceaudechirement一Panie2:Methodeaupendu1.eba1.istiqueReferencenumberISO4674-2:2021(E)ISO2021C
2、OPYRIGHTPROTECTEDDOCUMENTISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.or啪UIBndttaeDmkfifiHipB1.andonnet8CH-1214Vernier,GenevaPhone：M1.22749O1.11觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andContentsForewordivIntroductionv2 Scope13 Normativereferences14 Termsanddefinitions15 16 APPaIaatIISandreagents2Samp1.ingan
3、dpreparationoftestpieces26.1 Samp1.ing26.2 Testpieces36.2.2Shnpberaof1.tffipi三ies)s37 6.3Pretreatmentforwettest58 Time-interva1.betweenmanufactureandtesting5Atmosphereforconditioningandtesting.51.1 Forconditioning59 8.2Fortesting510 Procedure5UExpressionofresu1.ts6IeeStreport6AnnexA(normative)Adjust
4、mentandca1.ibration7Bib1.iography8ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsttiugh(ISOmrtmiw)bMdniK盟RAucekdHpfff1.QbbGgbodyIcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andn
5、on-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare蜩则搬OfISO1.EC(陶曲俺奥城槐侬阳靛蜘酶麻插蝴伽邮r
6、%cordancetheeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).RMonrights.dE小脚蝴橱卿SnSi嘏趣出即的植般眈doc1.三梯眶牌甲辰subjectofanypatentrightsidentifiedduringthedeve1.opmerUW4iouwMM41.beintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/patents).Anytradeusedinth
7、isconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandU明泉加OrRan里幅5悯SaSS忠!S窿inwJ憎ftknBar丽?FMdead区es般ww.isO.orgiso/forewordhtm1.tteefor耀三三瀛幽脑&燃蝴搬鹘嘘三翻螺三耀withthegreementontechnica1.cooperat
8、ionbetueenISOandCEN(ViennaAgreement).的feds曲用印e1.11t1iiMWft4Rf1.dwi(rt4Ws面代函VW*法1998),whichhasbeentechnica1.1.yinC1.ause5,thetit1.ehasbeenchangedtoApparatusandreagents*and5,3,5.4rand5.5havebeenadded；inC1.ause6,thetit1.ehasbeenchangedtoSamp1.ingandpreparationoftestpieces*andC1.ause5hasbeenintegrated;i
9、nIase7.thetestdurationhasbeenspecified;inC1.ause8,thetit1.ehasbeenchangedtoAtmosphereforConditioningandtesting*and8.2hasbeenadded;thewettesthasbeenspecified.A1.istofa1.1.partsintheISO4674seriescanbefoundontheISOwebsite.A5WMFf1.EM6&出fifts1.JBHiesthisca1.iHgeHftHEShOuWWwj临图memberynationa1.standardsbod
10、y.AIntroductionTearingisamongstthemoreusua1.waysofdestructionformanythinmateria1.ssuchaspaper,coatedorofhnhattfxi-texti1.es,thriresbsinmitontier.Know1.edgeoftheresistanceofthesemateria1.stothistypeInpractice,tearingcanresu1.tfromverydifferentcircumstances;hencethe1.argenumberoftestmethodsthathavebee
11、ndeve1.opedinordertopredictthebehaviourofmateria1.sinvarioussituations.TheISO4674seriesdea1.swithinitiatedtearing,i.e.thepropagationofatearfromaninitiatingcut.itconsistsofthefo1.1.owingtwoparts：Part1:ConstantrateoftearmethodsPart2:Ba1.1.isticpendu1.ummethodISO4674-1describestwomethodsusingatensi1.e-
12、testingmachineatconstantrateofe1.ongation.Thisdocumentdescribesadynamicmethodusingthekineticenergjrofafa1.1.ingpendu1.um.Othermethods,e.g.the“woundedbursttes1.,areunderconsiderationaspossib1.efurtherparts.Rubber-orp1.astics-coatedfabricsDeterminationoftearresistanceBa1.1.isticpendu1.ummethodWARNING-
13、Personsusingthisdocumentshou1.dbefami1.iarwith1.aboratorypractice.Thisdocumentdoesnotpurporttoaddressa1.1.ofthesafetyprob1.ems,ifany,associatedwithitsuse.Itistheresponsibi1.ityoftheusertoestab1.ishappropriatesafetyandhea1.thpracticesandtoensurecomp1.iancewithanynationa1.regu1.atoryconditions.1 Scope
14、activeforceapp1.iedtoanotchedtestpiece.testpiecesthathavebeenconditionedinastandardatmosphere;orconstantrateobtainedbythismethodcannotbecomparedwiththoseobtainedbymethodsinvo1.ving2 Normativereferencesconstitutesrequirements1.atesteditiondocument.referencedreferencesjinc1.udingamendrnents)app1.ies.app1.ies.determinationofp1.astics-coatedunit/abricsDeterminationarearo1.1.characteristicsPar1.umtMethods3 TermsanddefinitionsISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses:E1.ectropedia:avai1.ab1.ea
