BS EN 14325-2004 Protective clothing against chemicals - Test methods and performance classification of chemical protective clothing materials seams joins and assemblages《化学防护服 化学防.pdf

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1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 14325:2004 Protective clothing against chemicals Test methods and performance classification of chemical protective clothing materials, seams, joins and assemblag

2、es The European Standard EN 14325:2004 has the status of a British Standard ICS 13.340.10 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIBS EN 14325:2004 This British Standard, was published under the authority of the Standards Poli

3、cy and Strategy Committee on 11 February 2003 BSI 11 February 2003 ISBN 0 580 43428 1 National foreword This British Standard is the official English language version of EN 14325:2004. The UK participation in its preparation was entrusted by Technical Committee PH/3, Protective clothing, to Subcommi

4、ttee PH/3/3, Protective clothing against chemicals, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this

5、 document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a cont

6、ract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals f

7、or change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16, an inside back cover and a back cover. The BSI copyri

8、ght notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHEN

9、ORM EN14325 February2004 ICS13.340.10 Englishversion ProtectiveclothingagainstchemicalsTestmethodsand performanceclassificationofchemicalprotectiveclothing materials,seams,joinsandassemblages Vtementsdeprotectioncontrelesproduitschimiques Mthodesdessaietclassificationdeperformancedes matriaux,coutur

10、es,jonctionsetassemblagesdes vtementsdeprotectionchimique SchutzkleidunggegenChemikalienPrfverfahrenund LeistungseinstufungfrMaterialien,Nhte,Verbindungen undVerbnde ThisEuropeanStandardwasapprovedbyCENon10December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethe

11、conditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Germ

12、an).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece

13、,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels

14、 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN14325:2004:E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEN14325:2004(E) 2 Contents page Foreword3 1 Scope 4 2 Normativerefer

15、ences 4 3 Termsanddefinitions. .4 4 Performanceclassificationofmaterials. .5 4.1 General5 4.2 Preconditioning .5 4.3 Conditioning.5 4.4 Abrasionresistance. 5 4.5 Flexcrackingresistance .7 4.6 Flexcrackingresistanceat30C .7 4.7 Trapezoidaltearresistance. 8 4.8 Burstingresistance . 8 4.9 Tensilestreng

16、th .9 4.10 Punctureresistance .9 4.11 Resistancetopermeationbychemicals .9 4.12 Repellencytoliquids .10 4.13 Resistancetopenetrationbyliquids . 10 4.14 Resistancetoignition. .10 4.15 Resistancetoflame .11 5 Performancerequirementsforseams,joinsandassemblages .11 5.1 General11 5.2 Preconditioning .11

17、 5.3 Conditioning.11 5.4 Resistancetoliquids . 12 5.5 Seamstrength . .12 6 Testreport . .12 AnnexA (normative) Glasspaperandglasscloth .13 A.1 Qualityofmaterials 13 A.2 Formanddimensions. .13 A.3 Abrasivegrain 13 A.4 Breakingstrength . .13 AnnexZA (informative) ClausesofthisEuropeanStandardaddressin

18、gessentialrequirementsor otherprovisionsofEUDirectives 15 Bibliography 16 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEN14325:2004(E) 3 Foreword Thisdocument(EN14325:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC162“Protectiveclo

19、thing includinghandandarmprotectionandlifejackets”,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2004. This

20、documenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisnormative. AccordingtotheCEN/CENELECInternal

21、Regulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta, Netherlands,Norway,Poland,Portugal,Slovaki

22、a,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEN14325:2004(E) 4 1Scope ThisEuropeanStandardspecifiestheperformanceclassificationandtestmethodsforchemicalprotective clothingmateri

23、alandseams,joinsandassemblages.Thisisareferencestandardtowhichotherchemical protectiveclothingperformancestandardsmayreferinwholeorinpart. NOTE Whilsttheseperformancelevelsareintendedtorelatetotheusagetowhichthechemicalprotectiveclothingistobe put,itisessentialthattheuser(specifier)andthechemicalpro

24、tectiveclothingmanufacturerorsupplierliasetoestablish the correctperformancelevelfortheintendedtask.Forthispurposeariskanalysiscouldbeuseful. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropri

25、ateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments).

26、EN368,ProtectiveclothingProtectionagainstliquidchemicalsTestmethod:Resistanceofmaterialsto penetrationbyliquids. EN3743,ProtectiveglovesagainstchemicalsandmicroorganismsPart3:Determinationofresistanceto permeationbychemicals. EN530, AbrasionresistanceofprotectiveclothingmaterialTestmethods. EN863, P

27、rotectiveclothingMechanicalPropertiesTestMethod:Punctureresistance. EN132744, RespiratoryprotectivedevicesMethodsoftestPart4:Flametests. EN20139, TextilesStandardatmospheresforconditioningandtesting(ISO139:1973) . ENISO 6529 Protective clothing Protection against chemicals Determination of resistanc

28、e of protective clothingmaterialstopermeationbyliquidsandgases(ISO6529:2001). ENISO7854, Rubberorplasticscoatedfabrics Determinationofresistancetodamagebyflexing (ISO7854:1995). ENISO90734, TextilesTestmethodsfornonwovensPart4:Determinationoftearresistance(ISO9073 4:1997). CENISO/TR11610, Protective

29、clothingGlossaryoftermsanddefinitions(ISO/TR11610:2004). ENISO139341,Textiles Tensilepropertiesoffabrics Part1:Determinationofmaximumforceand elongationatmaximumforceusingthestripmethod(ISO139341:1999). ENISO139352, Textiles Seamtensilepropertiesoffabricsandmadeuptextilearticles Part2: Determination

30、ofmaximumforcetoseamruptureusingthegrabmethod(ISO139352:1999). ENISO139381, TextilesBurstingpropertiesoffabricsPart1:Hydraulicmethodfordeterminationofbursting strengthandburstingdistension(ISO139381:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsinCENISO/TR11

31、610apply. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEN14325:2004(E) 5 4 Performanceclassificationofmaterials 4.1General Anumberofperformanceclassificationlevelsareidentifiedforthevariouspropertiestobefoundinthisstandard. 4.2Pre

32、conditioning Allchemicalprotectiveclothingmaterialssamplesshallundergo5 cyclesofcleaningaccordingtothe manufacturersinstructionsbeforetestingifthemanufacturersinstructionsindicatethatthegarmentcanbe cleaned. 4.3Conditioning Allspecimensshallbeconditionedbystorageat(202)Cand(655)%relativehumidityinac

33、cordancewith EN20139foratleast24h.Ifapplicable,thetestsshallbestartedwithin5minofremovingthespecimenfromthe conditioningatmosphere,unlessotherwiseindicatedinthetestmethodstandard. NOTE Conditioningmaybeomittedifitcanbeshownthattestresultsarenotaffectedbytheforeseeablechangesof temperatureandrelative

34、humidity. 4.4Abrasion resistance 4.4.1 Abrasiontestmethod WhentestedinaccordancewithEN530(MartindaleAbrasionTest)Method2,usingabrasivepaperorabrasive cloth00(accordingtoannexA)andadownwardpressureof9kPathechemicalprotectiveclothingmaterialshall beclassifiedaccordingtothelevelsofperformancegiveninTab

35、le1.Fourspecimensshallbetestedandthe performanceclassifiedaccordingtothelowestsingleresult. 4.4.2 Determinationofendpointandlevelofperformance Todeterminethelevelofperformance,theleaktightnessofthetestspecimenshallbedeterminedafterabrasion bymeansofapressurepotapparatus.Thetestedareaofthespecimenisc

36、lampedintheapparatusandthe pressureinthetestpotreducedby1kPa(10mbar).Thedifferenceinthechangeofpressurebetweenanabraded andanonabradedspecimenshallnotexceed100Pa(1mbar)in1min.Whereverpossiblethepressurepot methodshallbeused.Ifitcannotbeapplied,avisualexaminationmaybeused.Ifthisisthecase,thetestrepor

37、t shallbemarkedaccordingly. NOTE AnexampleofapressurepotapparatusisgiveninFigure1.Thisexampleistypicalfordamageassessmentafter flexcracking.Fordamageassessmentafterabrasionasimilarapparatusshouldbeused,butofappropriateshapeand dimensionstoholdthetestspecimen.Toverifyiftheuseofthepressurepotmethodisr

38、elevant,anunabradedtestspecimen shouldbetested. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontrolled Copy, (c) BSIEN14325:2004(E) 6 Dimensioninmillimetres Key 1 Connectionforthegenerationofnegative pressureandmeasurementofpressurechange 2 Lowersurface

39、 3 Uppersurface 4 ClampingRing(e.g.stainlesssteel) 5G a s ke t 6 Specimen 7G a s ke t 8 TestPot(e.g.stainlesssteel) Figure1Exampleofapparatustotestspecimendamageaftermaterialstesting(rectangulartestpot) Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 12 April 2004, Uncontro

40、lled Copy, (c) BSIEN14325:2004(E) 7 Table1Classificationofabrasionresistance Class NumberofCycles 6 2000 5 1500 4 1000 3 500 2 100 1 10 4.5 Flexcrackingresistance WhentestedinaccordancewithENISO7854,methodB,untildamageisdetectedusingthemethodgivenbelow, thechemicalprotectiveclothingmaterialshallbecl

41、assifiedaccordingtothelevelsofperformancegiveninTable2. Sixspecimens(threeinlongitudinalandthreeintransversaldirection)shallbetestedandtheperformance classifiedaccordingtothelowestsingleresult. Todeterminethelevelofperformance,theleaktightnessofthetestspecimensshallbedeterminedafterflex cracking.The

42、testedareaofthespecimenshallbeclampedintheapparatusshowninFigure1andthepressurein thetestpotreducedby1kPa(10mbar).Thedifferenceinthechangeofpressurebetweenanewspecimenanda specimenafterflexingshallnotexceed100 Pa(1 mbar)in1 min.Theperformanceofthematerialshallbe classifiedaccordingtothelowestlevelof

43、performanceofanysinglespecimen. Whereverpossiblethepressurepotshallbeusedtodeterminetheperformanceofthespecimens.Ifthepressure potmethodcannotbeapplied,avisualexaminationmaybeused.Ifthisisthecasethenthetestreportshouldbe markedaccordingly. Table2Classificationofflexcrackingresistance Class Numberofc

44、ycles 6 100000 5 40000 4 15000 3 5000 2 2500 1 1000 4.6 Flexcrackingresistanceat30C WhentestedinaccordancewithENISO7854,methodBat30Cuntildamageisdetectedusingthemethod givenbelow,thechemicalprotectiveclothingmaterialshallbeclassifiedaccordingtothelevelsofperformance giveninTable3.Sixspecimens(threeinlongitudinalandthreeintransversaldirection)shallbetestedandthe per