EN 14325-2004 en 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、BRITISH STANDARD BS EN 14325:2004 Protective clothing against chemicals Test methods and performance classification of chemical protective clothing materials, seams, joins and assemblages The European Standard EN 14325:2004 has the status of a British Standard ICS 13.340.10 BS EN 14325:2004 This Bri

2、tish Standard, was published under the authority of the Standards Policy 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 e

3、ntrusted by Technical Committee PH/3, Protective clothing, to Subcommittee 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 whic

4、h implement international or European publications referred to in this 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 publicat

5、ion does not purport to include all the necessary provisions of a contract. 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/

6、European committee any enquiries on the interpretation, or proposals for 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

7、, pages 2 to 16, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14325 February2004 ICS13.340.10 Englishv

8、ersion ProtectiveclothingagainstchemicalsTestmethodsand performanceclassificationofchemicalprotectiveclothing materials,seams,joinsandassemblages Vtementsdeprotectioncontrelesproduitschimiques Mthodesdessaietclassificationdeperformancedes matriaux,coutures,jonctionsetassemblagesdes vtementsdeprotect

9、ionchimique SchutzkleidunggegenChemikalienPrfverfahrenund LeistungseinstufungfrMaterialien,Nhte,Verbindungen undVerbnde ThisEuropeanStandardwasapprovedbyCENon10December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthest

10、atusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslati

11、on undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuani

12、a,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandby

13、anymeansreserved worldwideforCENnationalMembers. Ref.No.EN14325:2004:EEN14325:2004(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Performanceclassificationofmaterials. .5 4.1 General5 4.2 Preconditioning .5 4.3 Conditioning.5 4.4 Abrasionresistance. 5 4.5

14、Flexcrackingresistance .7 4.6 Flexcrackingresistanceat30C .7 4.7 Trapezoidaltearresistance. 8 4.8 Burstingresistance . 8 4.9 Tensilestrength .9 4.10 Punctureresistance .9 4.11 Resistancetopermeationbychemicals .9 4.12 Repellencytoliquids .10 4.13 Resistancetopenetrationbyliquids . 10 4.14 Resistance

15、toignition. .10 4.15 Resistancetoflame .11 5 Performancerequirementsforseams,joinsandassemblages .11 5.1 General11 5.2 Preconditioning .11 5.3 Conditioning.11 5.4 Resistancetoliquids . 12 5.5 Seamstrength . .12 6 Testreport . .12 AnnexA (normative) Glasspaperandglasscloth .13 A.1 Qualityofmaterials

16、13 A.2 Formanddimensions. .13 A.3 Abrasivegrain 13 A.4 Breakingstrength . .13 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 15 Bibliography 16EN14325:2004(E) 3 Foreword Thisdocument(EN14325:2004)hasbeenpreparedbyTechnicalCommitteeC

17、EN/TC162“Protectiveclothing includinghandandarmprotectionandlifejackets”,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnatthelat

18、estby August2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisnormative. Accordingto

19、theCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta, Netherlands,Norway,P

20、oland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EN14325:2004(E) 4 1Scope ThisEuropeanStandardspecifiestheperformanceclassificationandtestmethodsforchemicalprotective clothingmaterialandseams,joinsandassemblages.Thisisareferencestandardtowhichotherchemical protectiveclothing

21、performancestandardsmayreferinwholeorinpart. NOTE Whilsttheseperformancelevelsareintendedtorelatetotheusagetowhichthechemicalprotectiveclothingistobe put,itisessentialthattheuser(specifier)andthechemicalprotectiveclothingmanufacturerorsupplierliasetoestablish the correctperformancelevelfortheintende

22、dtask.Forthispurposeariskanalysiscouldbeuseful. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmen

23、tstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN368,ProtectiveclothingProtectionagainstliquidchemicalsTestmethod:Resistanceofmaterialsto pen

24、etrationbyliquids. EN3743,ProtectiveglovesagainstchemicalsandmicroorganismsPart3:Determinationofresistanceto permeationbychemicals. EN530, AbrasionresistanceofprotectiveclothingmaterialTestmethods. EN863, ProtectiveclothingMechanicalPropertiesTestMethod:Punctureresistance. EN132744, Respiratoryprote

25、ctivedevicesMethodsoftestPart4:Flametests. EN20139, TextilesStandardatmospheresforconditioningandtesting(ISO139:1973) . ENISO 6529 Protective clothing Protection against chemicals Determination of resistance of protective clothingmaterialstopermeationbyliquidsandgases(ISO6529:2001). ENISO7854, Rubbe

26、rorplasticscoatedfabrics Determinationofresistancetodamagebyflexing (ISO7854:1995). ENISO90734, TextilesTestmethodsfornonwovensPart4:Determinationoftearresistance(ISO9073 4:1997). CENISO/TR11610, ProtectiveclothingGlossaryoftermsanddefinitions(ISO/TR11610:2004). ENISO139341,Textiles Tensilepropertie

27、soffabrics Part1:Determinationofmaximumforceand elongationatmaximumforceusingthestripmethod(ISO139341:1999). ENISO139352, Textiles Seamtensilepropertiesoffabricsandmadeuptextilearticles Part2: Determinationofmaximumforcetoseamruptureusingthegrabmethod(ISO139352:1999). ENISO139381, TextilesBurstingpr

28、opertiesoffabricsPart1:Hydraulicmethodfordeterminationofbursting strengthandburstingdistension(ISO139381:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsinCENISO/TR11610apply.EN14325:2004(E) 5 4 Performanceclassificationofmaterials 4.1General Anumberofperforma

29、nceclassificationlevelsareidentifiedforthevariouspropertiestobefoundinthisstandard. 4.2Preconditioning Allchemicalprotectiveclothingmaterialssamplesshallundergo5 cyclesofcleaningaccordingtothe manufacturersinstructionsbeforetestingifthemanufacturersinstructionsindicatethatthegarmentcanbe cleaned. 4.

30、3Conditioning Allspecimensshallbeconditionedbystorageat(202)Cand(655)%relativehumidityinaccordancewith EN20139foratleast24h.Ifapplicable,thetestsshallbestartedwithin5minofremovingthespecimenfromthe conditioningatmosphere,unlessotherwiseindicatedinthetestmethodstandard. NOTE Conditioningmaybeomittedi

31、fitcanbeshownthattestresultsarenotaffectedbytheforeseeablechangesof temperatureandrelativehumidity. 4.4Abrasion resistance 4.4.1 Abrasiontestmethod WhentestedinaccordancewithEN530(MartindaleAbrasionTest)Method2,usingabrasivepaperorabrasive cloth00(accordingtoannexA)andadownwardpressureof9kPathechemi

32、calprotectiveclothingmaterialshall beclassifiedaccordingtothelevelsofperformancegiveninTable1.Fourspecimensshallbetestedandthe performanceclassifiedaccordingtothelowestsingleresult. 4.4.2 Determinationofendpointandlevelofperformance Todeterminethelevelofperformance,theleaktightnessofthetestspecimens

33、hallbedeterminedafterabrasion bymeansofapressurepotapparatus.Thetestedareaofthespecimenisclampedintheapparatusandthe pressureinthetestpotreducedby1kPa(10mbar).Thedifferenceinthechangeofpressurebetweenanabraded andanonabradedspecimenshallnotexceed100Pa(1mbar)in1min.Whereverpossiblethepressurepot meth

34、odshallbeused.Ifitcannotbeapplied,avisualexaminationmaybeused.Ifthisisthecase,thetestreport shallbemarkedaccordingly. NOTE AnexampleofapressurepotapparatusisgiveninFigure1.Thisexampleistypicalfordamageassessmentafter flexcracking.Fordamageassessmentafterabrasionasimilarapparatusshouldbeused,butofapp

35、ropriateshapeand dimensionstoholdthetestspecimen.Toverifyiftheuseofthepressurepotmethodisrelevant,anunabradedtestspecimen shouldbetested.EN14325:2004(E) 6 Dimensioninmillimetres Key 1 Connectionforthegenerationofnegative pressureandmeasurementofpressurechange 2 Lowersurface 3 Uppersurface 4 Clamping

36、Ring(e.g.stainlesssteel) 5G a s ke t 6 Specimen 7G a s ke t 8 TestPot(e.g.stainlesssteel) Figure1Exampleofapparatustotestspecimendamageaftermaterialstesting(rectangulartestpot)EN14325:2004(E) 7 Table1Classificationofabrasionresistance Class NumberofCycles 6 2000 5 1500 4 1000 3 500 2 100 1 10 4.5 Fl

37、excrackingresistance WhentestedinaccordancewithENISO7854,methodB,untildamageisdetectedusingthemethodgivenbelow, thechemicalprotectiveclothingmaterialshallbeclassifiedaccordingtothelevelsofperformancegiveninTable2. Sixspecimens(threeinlongitudinalandthreeintransversaldirection)shallbetestedandtheperf

38、ormance classifiedaccordingtothelowestsingleresult. Todeterminethelevelofperformance,theleaktightnessofthetestspecimensshallbedeterminedafterflex cracking.ThetestedareaofthespecimenshallbeclampedintheapparatusshowninFigure1andthepressurein thetestpotreducedby1kPa(10mbar).Thedifferenceinthechangeofpr

39、essurebetweenanewspecimenanda specimenafterflexingshallnotexceed100 Pa(1 mbar)in1 min.Theperformanceofthematerialshallbe classifiedaccordingtothelowestlevelofperformanceofanysinglespecimen. Whereverpossiblethepressurepotshallbeusedtodeterminetheperformanceofthespecimens.Ifthepressure potmethodcannot

40、beapplied,avisualexaminationmaybeused.Ifthisisthecasethenthetestreportshouldbe markedaccordingly. Table2Classificationofflexcrackingresistance Class Numberofcycles 6 100000 5 40000 4 15000 3 5000 2 2500 1 1000 4.6 Flexcrackingresistanceat30C WhentestedinaccordancewithENISO7854,methodBat30Cuntildamag

41、eisdetectedusingthemethod givenbelow,thechemicalprotectiveclothingmaterialshallbeclassifiedaccordingtothelevelsofperformance giveninTable3.Sixspecimens(threeinlongitudinalandthreeintransversaldirection)shallbetestedandthe performanceclassifiedaccordingtothelowestsingleresult. Todeterminethelevelofpe

42、rformance,theleaktightnessofthetestspecimensshallbedeterminedafterflex cracking.ThetestedareaofthespecimenshallbeclampedintheapparatusshowninFigure1andthepressurein thetestpotreducedby1kPa(10mbar).Thedifferenceinthechangeofpressurebetweenanewspecimenanda specimenafterflexingshallnotexceed100 Pa(1 mb

43、ar)in1 min.Theperformanceofthematerialshallbe classifiedaccordingtothelowestlevelofperformanceofanysinglespecimen.EN14325:2004(E) 8 Whereverpossiblethepressurepotshallbeusedtodeterminetheperformanceofthespecimens.Ifthepressure potmethodcannotbeapplied,avisualexaminationmaybeused.Ifthisisthecasethenthetestreportshouldbe markedaccordingly. Table3Flexcrackingresistanceatlowtemperatures Class Numberofcycles 6 4000 5 2000 4 1000 3 500 2 200 1 100 4.7 Trapezoidaltearresistance Whentestedinaccordanc