1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 13995:2001 The
2、European Standard EN ISO 13995:2000 has the status of a British Standard ICS 13.340.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Protective clothing Mechanical properties Test method for the determination of the resistance to puncture and dynamic tearing of materialsThis
3、 British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 February 2001 BSI 02-2001 ISBN 0 580 34905 5 BS EN ISO 13995:2001 Amendments issued since publication A
4、md. No. Date Comments National foreword This British Standard is the official English language version of EN ISO 13995:2000. It is identical with ISO 13995:2000. The UK participation in its preparation was entrusted by Technical Committee PH/3, Protective clothing, to Subcommittee PH/3/1, Clothing f
5、or protection against general hazards, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European subcommittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international
6、 and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to in
7、ternational publications with their corresponding European publications. The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or
8、 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 contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer i
9、mmunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, pages 2 to 28, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD
10、 NORMEEUROPENNE EUROPISCHENORM ENISO13995 December2000 ICS13.340.10 Englishversion ProtectiveclothingMechanicalpropertiesTestmethodforthe determinationoftheresistancetopunctureanddynamictearing ofmaterials(ISO13995:2000) VtementsdeprotectionPropritsmcaniques Mthodedessaipourladterminationdelarsistan
11、cela perforationetaudynamiquedesmatriaux(ISO 13995:2000) SchutzkleidungMechanischeEigenschaften PrfverfahrenzurBestimmungdesWiderstandesgegen DurchstoenunddynamischesWeiterreienvon Materialien(ISO13995:2000) ThisEuropeanStandardwasapprovedbyCENon8April2000. CENmembersareboundtocomplywiththeCEN/CENEL
12、ECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthree
13、officialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,Fra
14、nce,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyfo
15、rmandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO13995:2000EPage2 ENISO13995:2000 Contents Foreword3 Introduction .3 1 Scope 5 2 Termsanddefinitions. .5 2.1 Testspecimenmountingblock 5 2.2 Tearingblade. .5 3 Requirements .5 3.1 Useofthisstandard 5 4 Testapparatusandprocedures . 7
16、4.1 Principleofthepunctureanddynamicteartest . .7 4.2 Typesoftearandtheirmeasurement. .7 4.3 Performancelevels 7 4.4 Testapparatus 8 4.5 Fallingmassbladeholdingblock 8 4.6 Thetearingblade . 8 4.7 Thetestspecimenmountingblockandclamps. 9 4.7.1 Dimensionsofthetestspecimenmountingblock .9 4.7.2 Thetest
17、specimenclampingsystem . 9 4.8 Preparingtheapparatus. .9 4.9 Preparationoftestspecimens. .10 4.10 Mountingthetestspecimens .10 4.11 Carryingoutatest .10 4.12 Classificationofresults 11 4.13 Testreport 12 AnnexA(informative) .13 Informativeannexonthespecificationofpunctureanddynamicteartestsonmateria
18、lsandclothing. .13 A.1 Introduction 13 A.2 Scope 13 A.3 UseofthisEuropeanStandard . .13 A.4 Hazardidentificationchoiceoftestmethod. 13 A.4.1 Punctureandpropagatingtear. 13 A.4.2 Puncture13 A.4.3 Impactcut,stab 13 A.4.4 Slidingcut. 14 A.4.5 Impactabrasion. .14 A.4.6 Shearing,puncturingandtear. .14 A.
19、4.7 Tearingorbursting . .14 A.4.8 Summaryoftestmethodchoice . .14 A.5 Riskanalysis . .15 A.5.1 Threatidentificationandquantification 15 A.5.2 Estimationofpotentialharm 15 A.5.3 Risklevelestimation . 16 A.6 Performancecriteria 17 A.7 Specificationofperformancelevels . .17 A.8 Specialconditionsanddevi
20、ationfromthemethodinthisEuropeanStandard .17 A.8.1 Areaofholeortearlength . .17 A.8.2 Preconditioning .18 A.8.3 Specialtestconditions. .18 AnnexZA(informative) . .28 ClausesofthisEuropeanStandardaddressingessentialrequirementsorotherprovisionsofEU Directives28Page3 ENISO13995:2000 Foreword Thetextof
21、ENISO13995:2000hasbeenpreparedbyTechnicalCommitteeCEN/TC162“Protectiveclothing includinghandandarmprotectionandlifejackets“,thesecretariatofwhichisheldbyDIN,incollaboration withTechnicalCommitteeISO/TC94“PersonalsafetyProtectiveclothingandequipment“. ThisEuropeanStandardshallbegiventhestatusofanatio
22、nalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJune2001,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJune2001. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommission andtheEuropeanFreeTradeAssociation,andsupportsessentialrequi
23、rementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeAnnexZA,whichisanintegralpartofthisstandard. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, F
24、inland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page4 ENISO13995:2000 Introduction ThisEuropeanStandardtestmethodisbasedonASTMD258290,“Standardtestmethodforpuncture propagationtearresistanceofplasticfilmandthinshe
25、eting“.Thetesthasbeenmodifiedtomakeitapplicableto strongwovenandknittedfabrics,coatedfabricsandleather.Thetestisdesignedtoassesstheresistanceto snaggingandtearingofmaterialsusedforprotectiveclothing.Itisimportanttoknowthepunctureanddynamic tearresistanceofmaterialusedforprotectiveclothingthatisinten
26、dedtobeusedinhazardoussituationswherethe clothingformsabarrierbetweenthewearerandthehazard,andbreachingofthebarriercanresultinharmandthe levelofriskofharmisrelatedtothesizeofholeresultingfromthepunctureandtear.Suchclothingincludes chemicalandbiologicalbarrierclothing,spraysuits,foulweatherclothingan
27、dfirefightingclothing. Dynamictearingofmaterialsfollowingpuncturebyaspikeisacomplexprocess.ThetestgiveninthisEuropean Standardhasbeendevisedtoprovidestandardconditionsunderwhichmaterialscanbecompared.Experience withmaterialsofknownresistancewillenableproductstandardswritersandclothingdesignerstospec
28、ify appropriateperformancelevelsforparticularenduses.Thestandardprovidesforfourperformancelevels. IthasbeenassumedinthedraftingofthisEuropeanStandardthattheexecutionofitsprovisionsisentrustedto appropriatelyqualifiedandexperiencedpeople,forwhoseguidanceithasbeenprepared.Theapparatus describedshouldo
29、nlybeusedbycompetentpersonsandrequiressafeguardstoprevent,asfarasisreasonably practicable,injurytotheoperatorandotherpersons.Page5 ENISO13995:2000 1Scope ThisEuropeanStandardspecifiesatestmethodforthedeterminationoftheresistancetopunctureanddynamic tearingofprotectiveclothingmaterialswhichareusedins
30、ituationswheresnaggingandtearingcouldresultin unacceptabledamagetotheclothingordangertothewearerthroughlossofintegrityofabarrier.Itisintendedthat theperformancelevelsdeterminedwillbeofuseinspecifyingmaterialsforuseinsituationswheretheriskofharm isrelatedtothesizeofpunctureandtearthatmayoccurinaccide
31、nts. 2 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply: 2.1Testspecimenmountingblock Asolidblockofmetalorplastictowhichthetestspecimenisclampedfortesting. 2.2Tearingblade Abluntbladeprojectingfromthefallingmasswhichpuncturesandtearsthetestspecimen. NOTE:
32、Thehardsteeltearingbladehasagroundwedgeshapedendthathasaradiusofcurvaturesothat itisnotsharp,butwillpuncturetestmaterials.Themainbodyofthebladeis3mmthickandthelower surfaceishalfround.Thislowersurfacecausestheblunttearinthetestspecimenthatismeasuredinthe test.Thisbladeperformsthesamefunctionasthespi
33、keinASTMD258290,butitismorerigidsois capableofwithstandinggreaterforces. 3Requirements 3.1Useofthisstandard ThisEuropeanStandarddescribesamethodfordeterminingtheresistancetopunctureanddynamictearingof materials.Whenitiscitedasatestmethodinaspecificproductstandardthatstandardshallcontainthenecessary
34、informationtopermittheapplicationofthisEuropeanStandardtotheparticularproducts.Thestandardcitingthis EuropeanStandardshallincludeatleastthefollowing: a) NormativereferencetothisEuropeanStandard; b) Adescriptionofthesamplestobetested,theirorigininsheetmaterialsorfinishedPPE(Personal ProtectiveEquipme
35、nt)products,theirmethodofpreparationandpretreatment,ifany,andthepermitted sizerangeofthesamples; c) Detailsofanyadditionsto,ordeviationsfromthemethoddescribedinthisEuropeanStandard; Detailsofanyspecificclampingandstretchingmethodstobeusedwiththetestspecimens; Theenergy(s)andvelocity(s)ofimpactstobeu
36、sedinthetest; Theorientationoftheimpactsrelativetoaspecifiedaxisofthetestspecimens; Thenumberofteststobeperformed: Detailsofanyspecifictechniquestobeusedinmeasuringtearlengthsinparticularmaterialsorin materialsforparticularapplications; d) Additionalcontentsofthetestreporttobeprovided:Page6 ENISO139
37、95:2000 Theperformancerequirementsfortheproduct,andassociated“levels“.Theperformancerequiredshall begivenaseitheraperformancelevelasdefinedinthisEuropeanStandard,oras“ameantearlengthnot morethanxxmmandalargestsinglevalueofnotmorethanyymmwhentestedaccordingtozz“; Theareaoftheproductthatistomeetthereq
38、uirements. InformationandguidanceonusingthisEuropeanStandardinaproductstandardaregivenintheinformative AnnexA.Page7 ENISO13995:2000 4 Testapparatusandprocedures 4.1Principleofthepunctureanddynamicteartest Atestspecimenoffabricorleatherisclampedsecurelytoasolidblockthatisshapedsothatthemainpartofthe
39、testspecimenisvertical.Theupperpartoftheblockismachinedtobeaquadrantsothatthetestspecimenlies backonitandpresentsacurvedfaceupwardstowardsthetearingbladeattachedtoafallingmassthatisdropped ontothetestspecimen.Thetearingbladeissharpenedonitsendsothatitpuncturesthecurvedpartofthetest specimen.Theround
40、edlowersurfaceofthebladetearsdownwardsintotheverticalpartofthetestspecimenuntil theenergyinthefallingmassisdissipated.Theverticalfaceoftheblockhasaslotmachinedintoitsothattheend ofthebladeisintheblockandthemiddlepartofthebladecausesthetearing. Itisfoundonverystrongmaterialsthatthepuncturingprocessby
41、thesharpenedendofthebladecontributesless than5mmtothetotaltearlength.Withweakmaterialstheeffectisless.Choosinganendpointorpass/failvalue of40mmensuresthatthemainpropertymeasuredisthedynamictearresistanceofthepuncturedmaterial.The tearlengthistheverticaldimensionoftheholemadebytheblade.Itmaybeappropr
42、iatetospecifyalowertear lengthforassessingmaterialstobeusedwheretearingofproductswouldexposethewearerstohazards,see AnnexA. 4.2Typesoftearandtheirmeasurement Thefollowingtypesofteararecommonlycaused: a) Averticalslittearinwhichthebladebreakshorizontalfibresinthetestspecimen; b) A“V“tearwhichhastwole
43、gsdivergingfromthepuncturepoint.Inwovenfabricsthelegsmayproceedat 90tothewarpandweftfibresgivingananglebetweenthelegsof90.Inleather,compositematerialsand unsupportedplasticstheanglebetweenthelegsisoftenabout30; c) Ahorizontaltearinwhichatearpropagateshorizontallyfromthepuncturepointalongalineofweakn
44、ess. Thisisfoundsometimesinoneorientationoftestingofcoatedknittedfabrics.Whentestspecimensof suchmaterialarecutat90totheorientationgivingthistypeoftear,theresultisusuallyaverylong verticalslittear. d) Complextearscombiningvariouspropertiesoftheabovetears.SomewarpknitsgiveVtearswithone verticalandone45leg,oroneverticalandoneh
