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1、DRAFTINTERNATIONA1STANDARDISO/DIS9073-4ISOTC38Votingbeginson:2023-03-23Secretariat:ISCVotingterminateson:2023-06-15Texti1esTestmethodsfornonwovensPart4:DeterminationoftearresistanceTexti1es-MethodesdessaipournontisssPartie4：Determinationde1aresistanceIadchirureICS:59.080.30THISDOCUMENTISADRAFTCIRCU1
2、ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOSANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYONOCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHEIRPOTENTIA
3、1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceivedfromthecommitteesecretariat.ISO/CENPARA11E1PROCESSI
4、NGReferencenumberISO/DIS9073-4:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecied,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicormechanica1,inc1udingphotocopying,orpostingontheinternet
5、oranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1owor!SO,smemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH-1214VernieGenevaPhone:*41227490111Fax:41227490947Emai1:copyrightiso.orgWebsite:www.iso.orgPub1ishedinSwitzer1andPageCo
6、ntentsForewordScopeNnrmativprpfprprpTermsanddefinitionsfmiindatorv)Princip1eAPParatusSamp1ingPreparationandconditioningoftestspecimensProcedure412345678910Ca1cu1ationandexpressionofresu1ts5ForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOm
7、emberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhastherighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,
8、a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criteri
9、aneededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepossibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyin
10、ganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents).Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranex
11、p1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)princip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1Commit
12、tee1SOTC38,Texti1es.Thisthirdeditioncance1sandrep1acesthesecondedition(ISO9073-4:1997),whichhasbeentechnica11yrevised.Themainchangescomparedtothepreviouseditionareasfo11ows:Modifiedtheva1uemethodofsing1especimen,changedfromaverageva1ueoftheseriesofsignificant1oadpeakstomaximumforceasthetestresu1tofa
13、sing1especimen.A1istofa11partsintheISO9073seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatwww.iso.org/members.htm1.Texti1esTestmethodsfornonwovens一Part4:Determinationoftearresistance1 ScopeT
14、hisdocumentspecifiesamethodforthedeterminationoftearresistanceofnonwovensbythetrapezoidmethod.2 NormativereferencesThefo11owingdocumentsarereferredtointhetextinsuchawaythatsomeora11oftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,on1ytheeditioncitedapp1ies.Forundatedreferences,
15、the1atesteditionofthereferenceddocument(inc1udinganyamendments)app1ies.ISO139,Texti1esStandardatmospheresforconditioningandtestingISO186,PaperandboardSamp1ingtodetermineaveragequa1ityISO3696,Waterforana1ytica11aboratoryuseSpecificationandtestmethodsISO7500-1,Meta11icmateria1sCa1ibrationandverificati
16、onofstaticuniaxia1testingmachinesPart1:Tension/compressiontestingmachines-Ca1ibrationandverificationoftheforce-measuringsystemISO10012,MeasurementmanagementsystemsRequirementsformeasurementprocessesandmeasuringequipment3 Termsanddefinitions(mandatory)Forthepurposesofthisdocument,thefo11owingtermsanddefini
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