BS EN 943-2-2002 Protective clothing against liquid and gaseous chemicals aerosols and solid particles - Performance requirements for gas-tight (Type 1) chemical protective suits.pdf

1、BRITISH STANDARD BS EN 943-2:2002 Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles Part 2: Performance requirements for “gas-tight” (Type 1) chemical protective suits for emergency teams (ET) The European Standard EN 943-2:2002 has the status of

2、 a British Standard ICS 13.340.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 943-2:2002 This British Standard, having been prepared under the direction of the Health and Environment Sector Policy and Strategy Committee, was published under the authority of the Standa

3、rds Policy and Strategy Committee on 26 February 2002 BSI 26 February 2002 ISBN 0 580 39179 5 National foreword This British Standard is the official English language version of EN 943-2:2002. The UK participation in its preparation was entrusted by Technical Committee PH/3, Protective clothing, to

4、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 which implement international or European publications referred to

5、 in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contrac

6、t. Users of British Standards are responsible for their 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 European committee any enquiries on the interpretation, or propo

7、sals 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, pages 2 to 11 and a back cover. The BSI copyright date display

8、ed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN9432 January2002 ICS13.340.10 Englishversion Protectiveclothingagainstliquidandgaseouschemicals, includingliquidaerosolsandsolid

9、particlesPart2: Performancerequirementsfor“gastight”(Type1)chemical protectivesuitsforemergencyteams(ET) Vtementsdeprotectioncontrelesproduitschimiques liquidesetgazeux,ycomprislesarosolsliquidesetles particulessolidesPartie2:Exigencesdeperformancedes combinaisonsdeprotectionchimiquetanchesauxgaz (T

10、ype1)destinesauxquipesdesecours(ET) Schutzkleidunggegenflssigeundgasfrmige Chemikalien,einschlielichFlssigkeitsaerosoleundfeste PartikelTeil2:Leistungsanforderungenfr“gasdichte” (Typ1)ChemikalienschutzanzgefrNotfallteams ThisEuropeanStandardwasapprovedbyCENon28December2001. CENmembersareboundtocompl

11、ywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStan

12、dardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,De

13、nmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrigh

14、tsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN9432:2002EEN9432:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 General5 5 Performancerequirementsofchemicalprotectiveclothingmaterials5 5.1 General5 5.2 Resistanc

15、etopermeationbychemicalsofchemicalprotectiveclothingmaterial,safety footwear,glovesandvisor(iffitted) . .5 5.3 Protectiveglovesandsafetyfootwear . .6 5.4 Visor 7 6 Performancerequirementsforseams,joinsandassemblages .7 6.1 Resistancetopermeationofclosuresbychemicals . 7 6.2 Resistancetopermeationofs

16、eamsbychemicals .7 6.3 Seamstrength . .7 6.4 Attachmentpoints . 7 7 Performancerequirementsforthewholechemicalprotectivesuit .8 7.1 General8 7.2 Connectionbetweenexhalationvalve(exhaustassembly)andchemicalprotective clothingmaterial 8 8 Testmethods 8 8.1 Practicalperformancetest 8 8.2 Distortionofvi

17、sion 10 9 Marking .10 10 Informationsuppliedbythemanufacturer. .10 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirements orotherprovisionsofEUDirectives . 11EN9432:2002(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC162“Protectiveclothing incl

18、udinghandandarmprotectionandlifejackets“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJuly2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJuly2002. ThisEuropeanStanda

19、rdhasbeenpreparedunderamandategiventoCENbytheEuropeanCommission andtheEuropeanFreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. AccordingtotheCEN/CENELECInternalRegulations,thenationalst

20、andardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN9432:2002(E) 4 1Scope Thisstandar

21、dspecifiestheminimumrequirementsforthechemicalprotectivesuitsforusebyemergencyteams (ET),includingcomponentpartssuchasglovesandbootswhichmaybespecifiedelsewhere. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesa

22、recitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(in

23、cludingamendments). EN3452:1996, SafetyfootwearforprofessionalusePart2:Additionalspecifications. EN3741,ProtectiveglovesagainstchemicalsandmicroorganismsPart1:Terminologyandperformance requirements. EN3743, ProtectiveglovesagainstchemicalsandmicroorganismsPart3:Determinationofresistanceto permeation

24、bychemicals. prEN9431:2002, Protectiveclothingagainstliquidandgaseouschemicals,includingliquidaerosolsandsolid particlesPerformancerequirementsforventilatedandnonventilated“gastight“(Type1)and“nongastight“ (Type2)chemicalprotectivesuits. prENISO11610, ProtectiveclothingGlossaryoftermsanddefinitions(

25、ISO/DIS11610:1997). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninprENISO11610togetherwiththe followingapply. 3.1 type1aET“gastight”chemicalprotectivesuit gastightchemicalprotectivesuitforusebyemergencyteamswithbreathableairsupplyindependentofthe ambientatmos

26、phere,e.g.aselfcontainedopencircuitcompressedairbreathingapparatus,worninsidethe chemicalprotectivesuit 3.2 type1bET“gastight”chemicalprotectivesuit gastightchemicalprotectivesuitforusebyemergencyteamswithabreathableairsupply,e.g.aselfcontained opencircuitcompressedairbreathingapparatus,wornoutsidet

27、hechemicalprotectivesuit Aschemicalprotectionisusedwithrespiratorydevices,specialattentionshallbegiventotheadequateselectionof respiratoryprotectiveequipment.Thelimitingfactorsfortheuseoffilters(e.g.oxygendeficiency)shallbetaken intoconsideration. 3.3 attachmentpoint fixingtotheoutsideofthechemicalp

28、rotectivesuittoenableequipmentrequiredtobefitted,e.g.atorchEN9432:2002(E) 5 4General Thechemicalprotectivesuitstype1aETandtype1bETshallfulfiltherequirementsofprEN9431.Beyondthat theadditionalorrestrictiverequirementsofthisEuropeanStandardshallbefulfilled.Theperformanceclass requirementsgivenbeloware

29、theminimumperformancerequirements. NOTE1 Themechanicalperformancerequirementsforcomponentpartssuchasgloves,safetyfootwearetc.arespecifiedin otherrelevantENs. NOTE2 Asthesechemicalprotectivesuitsareintendedforuseinemergencysituationsitisrecommendedthattheuseofa “passthru”ontype1aETsuitsisconsidered,e

30、venthoughthisisanoptionalrequirement. 5 Performancerequirementsofchemicalprotectiveclothingmaterials 5.1General ThechemicalprotectiveclothingshallmeettherequirementsgiveninTable1,whentestedinpreconditioned conditionagainsttheappropriateclauseofprEN9431. NOTE Becauselimiteduseprotectiveclothingisnoti

31、ntendedtobeusedrepeatedlytheperformancerequirements requiredtodemonstratethedurabilityoftheprotectiveclothingmaterialaredifferenttothoseformaterialsintendedforre peated use.Asaconsequence,abrasionresistanceandflexcrackingresistanceperformancelevelsarespecifieddifferentlyforlimite d useandreusableche

32、micalprotectiveclothingmaterials. Table1Minimumperformancerequirementsofchemicalprotectiveclothingmaterials Performanceclass Performanceclass Property Testingreference Limitedusesuits Reusablesuits Abrasionresistance prEN9431 Class4 Class6 Flexcrackingresistance prEN9431 Class1 Class4 Flexcrackingre

33、sistanceatlow temperatures(30C) prEN9431 Class2 Class2 Trapezoidaltearresistance prEN9431 Class3 Class3 TensileStrength prEN9431 Class4 Class6 Punctureresistance prEN9431 Class2 Class3 Resistancetoflame prEN9431 Class1 Class3 IfonlyClass2isachievedforPunctureresistancetheinstructionsforuseshallident

34、ifythatthechemicalprotective clothingmaynotbesuitableforusewherethereisahighriskofpuncture. 5.2 Resistancetopermeationbychemicalsofchemicalprotectiveclothingmaterial,safety footwear,glovesandvisor(iffitted) Thechemicalprotectiveclothingmaterial,safetyfootwear,glovesandvisoriffitted,shallbetestedforr

35、esistanceto permeationagainstthefollowingliquidandgaseousstandardtestchemicalsgiveninTable2:EN9432:2002(E) 6 Table2Chemicalsforpermeationtests Physicalstate Genericrepresentation 1)Dichloromethane liquid Chlorinatedhydrocarbon 2)Methanol liquid Primaryalcohol 3)nHeptane liquid Saturatedhydrocarbon 4

36、)Toluene liquid Aromatichydrocarbon 5)Diethylamine liquid Amine 6)SodiumHydroxide40% liquid Inorganicbase 7)SulphuricAcid96% liquid Inorganicmineralacid 8)Ammonia gas Basicgas 9)Chlorine gas Halogengas 10)HydrogenChloride gas Inorganicacidgas 11)Acetone liquid Ketone 12)Acetonitrile liquid Nitrileco

37、mpound 13)EthylAcetate liquid Ester 14)CarbonDisulphide liquid Sulphurcontainingorganiccom pound 15)Tetrahydrofuran liquid Heterocyclicandethercompound WhentestedaccordingtoannexBofprEN9431:2002theclassforeachofthechemicalsinthetestbatteryshall beidentifiedintheinstructionsforuse.Ifclass2isnotachiev

38、edforanymaterialorcomponentparttestedthe instructionsforuseshallidentifythatthischemicalprotectivesuitisnotsuitableforuseforthischemicalunder continuousexposure. Forsafetyfootwearthetestspecimenshallbetakenfromthethinnestpointofthefootwearabovethejointothe sole. NOTE Thetestchemicalsidentifiedaboveh

39、avebeenselectedtorepresentarangeofaggressivechemicalssoasto ensurethatchemicalprotectivesuitwhichmeetstherequirementsofthisEuropeanStandardwillofferprotectionagainstawid e rangeofchemicals(ClassesandProperties).However,itshouldberecognisedthatthisapproachonlyprovidesbasicguidance againstgroupsrepres

40、entedbythesechemicalsandthattheperformanceagainstchemicalsotherthanthoselistedcanonlybe determinedbyindividualtests. 5.3 Protectiveglovesandsafetyfootwear 5.3.1 Protectivegloves ProtectiveglovesshallalsomeettherequirementsofEN3741. NOTE AsEN3741hasonlyverylimitedmechanicalandthermalrequirementsitmay

41、benecessarytouseanoverglove e.g.accordingtoEN659toprovidegreatermechanicalandthermalprotection.EN9432:2002(E) 7 5.3.2 Safetyfootwear Wheresafetyfootwearisfitteditshallalsomeettherequirementsofclause7ofEN3452:1996(TypeFPA). Wheresafetyfootwearisnotpermanentlyfittedtothechemicalprotectivesuitanyextern

42、albooteesuppliedbythe manufacturershallcomplywiththerequirementsofclause7ofEN3452:1996(TypeFPA). Anintegralsockorbooteeshallprovideatleastthesamelevelofprotectionasthefabricfromwhichthechemical protectivesuitismanufactured. 5.4Visor Thevisorshallmeettherequirementsof5.5ofprEN9431:2002aswellastherequ

43、irementsgivenbelow. Whentestedinaccordancewith8.2thevisorshallpassforeachchemicallistedin5.2.Thistestshallonlybe carriedoutwiththosetestchemicalsforwhichthetestaccordingto5.2hasledtoanyindicationofharmtothe visibility. 6 Performancerequirementsforseams,joinsandassemblages NOTE Therequirementsofthisc

44、lauseapplytothegarmentasawholeincludingcomponentparts,suchasglovesor boots,thatareintegraltothegarment.Theseams,joinsandassemblagesattachingtheseaccessoriesareincludedwithinthe scopeofthisEuropeanStandard.Theperformancecriteriafortheaccessories(gloves,bootsorRPE)aregiveninother EuropeanStandards. 6.1 Resistancetopermeationofclosuresbychemicals Closuresorclosureassembliesshallbetestedinaccordancewith5.2