1、BRITISH STANDARD BS EN 1943:2002 Self adhesive tapes Measurement of static shear adhesion The European Standard EN 1943:2002 has the status of a British Standard ICS 83.180 BS EN 1943:2002 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 6 Au
2、gust 2003 BSI 6 August 2003 ISBN 0 580 42386 7 National foreword This British Standard is the official English language version of EN 1943:2002. It supersedes BS EN 1943:1996 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee PKW/5, Primary and transport
3、 packaging, to Subcommittee PKW/5/33, Tensional strapping, taping and accessories, 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 p
4、ublications 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 publication does not purport to include all the
5、 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/European committee any enquiries on the
6、 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, pages 2 to 16, an inside back cover a
7、nd 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 EN1943 October2002 ICS83.180 SupersedesEN1943:1996 Englishversion Selfadhesivetap
8、esMeasurementofstaticshearadhesion RubansautoadhsifsMesuragedupouvoiradhsif tangentiel KlebebnderMessungdesScherwiderstandesunter statischerBelastung ThisEuropeanStandardwasapprovedbyCENon1August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgiving
9、thisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyothe
10、rlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malt
11、a,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMemb
12、ers. Ref.No.EN1943:2002EEN1943:2002(E) 2 Contents page Foreword3 Introduction .4 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Significanceanduse .5 5 MethodA:Measurementofshearadhesiontoaverticalstandardsteelpanel 6 5.1 Principle 6 5.2 Materials6 5.3 Apparatus .6 5.4 Testsamplesandt
13、estpiece . 7 5.5 Procedure .8 5.6 Expressionofresults . .9 5.7 Testreport . .9 6 MethodB:MeasurementofshearadhesiontoaverticalpanelcoveredwithNISTSRM1810A standardfibreboard .9 6.1 Principle 9 6.2 Materials9 6.3 Apparatus .10 6.4 Testsamplesandtestpiece . 10 6.5 Procedure .10 6.6 Expressionofresults
14、 . .10 6.7 Testreport . .10 7 MethodC:Measurementofshearadhesiontoaverticalpanelcoveredwithafibreboard agreeduponbythebuyerandtheseller .11 7.1 Principle 11 7.2 Procedure .11 8 MethodD:Measurementofshearadhesionoffilamentreinforcedtapeappliedtoahorizontal standardsteelpanel . .11 8.1 Principle 11 8.
15、2 Materials11 8.3 Apparatus .11 8.4 Testsamplesandtestpiece . 12 8.5 Procedure .12 8.6 Expressionofresults . .13 8.7 Testreport . .13 9 MethodE:Measurementofshearadhesionoffilamentreinforcedtapeappliedtoahorizontal panelcoveredwithNISTSRM1810Astandardfibreboard .13 9.1 Principle 13 9.2 Procedure .13
16、 10 MethodF:Measurementofshearadhesionoffilamentreinforcedtapeappliedtoahorizontal panelcoveredwithafibreboardagreeduponbythebuyerandtheseller .14 10.1 Principle 14 10.2 Procedure .14 11 MethodG:Measurementofshearadhesiontoaverticalstandardsteelpanelatanelevated temperatureafter10mindwelltime .14 11
17、.1 Principle 14 11.2 Procedure .14EN1943:2002(E) 3 Foreword ThisdocumentEN1943:2002hasbeenpreparedbyTechnicalCommitteeCEN/TC253“Selfadhesivetapes“,the secretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,at
18、thelatestbyApril2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby April2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Gre
19、ece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN1943:2002(E) 4 Introduction ThisEuropeanStandardhasbeenrevisedinconjunctionwithAFERA(EuropeanAssociationfortheSelfAdhesive TapeIndustry)inEuropeandPSTC(PressureSensitiveTapeCouncil)i
20、nUSAwiththepurposetoproducea standardwhichwillbeacceptableinduecoursebyISO. KeychangesfromEN1943:1996 theprincipleofshearadhesionmeasurementchangestotimetofailureunderconstantloadfroma measurementoftheloadtoinducefailurewithinfourhours; scopeofthetestisexpandedtoincludehorizontalshearmeasurementoffi
21、lamentreinforcedtapeandto includefibreboardsubstrate; steelplatesarerevisedtoreadilyavailable,industrystandardsteelwithasmoothersurfacefinish“inlinewith EN1939Rev.”; testpiecepreparationprocedureisrevisedinlinewithEN1939Rev.EN1943:2002(E) 5 1Scope ThisEuropeanStandardspecifiesaseriesofmethodsforthed
22、eterminationoftheabilityofapressuresensitive tapetoremainadheredunderaconstantloadappliedparalleltothesurfacesofthetapeandsubstrate. TheEuropeanStandardcontains: methodA:SelfadhesivetapesMeasurementofshearadhesiontoaverticalstandardsteelpanel; methodB:SelfadhesivetapesMeasurementofshearadhesiontoave
23、rticalpanelcoveredwithNISTSRM 1810A 1 )standardfibreboard; methodC:SelfadhesivetapesMeasurementofshearadhesiontoaverticalpanelcoveredwithafibreboard agreeduponbythebuyerandseller; methodD:SelfadhesivetapesMeasurementofshearadhesionoffilamentreinforcedtapeappliedtoa horizontalstandardsteelpanel; meth
24、odE:SelfadhesivetapesMeasurementofshearadhesionoffilamentreinforcedtapeappliedtoa horizontalpanelcoveredwithNISTSRM1810A 1 )standardfibreboard; methodF:SelfadhesivetapesMeasurementofshearadhesionoffilamentreinforcedtapeappliedtoa horizontalpanelcoveredwithafibreboardagreeduponbythebuyerandseller; me
25、thodG:SelfadhesivetapesMeasurementofshearadhesiontoaverticalstandardsteelpanelat elevatedtemperatureaftera10mindwelltime. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextan
26、dthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN100882:1995, Stainl
27、esssteelsPart2:Technicaldeliveryconditionsforsheet/plateandstripforgeneral purposes. EN12481:2000, SelfadhesivetapesTerminology . 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN12481:2000andthefollowing termanddefinitionapply. 3.1 shearadhesion resistanceof
28、thepressuresensitiveadhesiveagainstshearwhenforcesareexertedparalleltothebondingsurface 4 Significanceanduse Thesetestmethodsaretoolsforqualitycontrol use.Givenspecificselfadhesivetapeandarequirementinterms oftheminimumormaximumvalueexpectedforthistape,thedatafromthetestcanbeusedinconjunctionwith ac
29、ceptancecriteria.EN1943:2002(E) 6 Thesemethodsprovideameansofassessingtheuniformityoftheadhesiveofagiventypeofpressuresensitive tape(anexamplearetapesusedforpackagingapplications).Theassessmentmaybewithinarolloftape, betweenrollsorproductionlots. Variationsinthetapebackingandadhesiveaffecttheresults
30、,therefore,thesemethodscannotbeusedtopinpoint thespecificcause(s)ofnonuniformity. Thesetestmethodsmaynotprovidedesigninformationasthereisusuallynodirectrelationshipbetweenshear adhesionandanyfunctionalrequirement. 5 MethodA:Measurementofshearadhesiontoaverticalstandardsteelpanel 5.1Principle MethodA
31、ofthisstandardmeasurestheshearadhesionofaselfadhesivetapetoastandardsteelpanelbyits timetofailureat23Cand50%relativehumidity(RH )underconstantload. ShearadhesiontostandardsteelpanelAstripoftapeisappliedtoastandardsteelpanelundercontrolledroll down.Thepanelismountedvertically,astandardmassisattachedt
32、othefreeendofthetapeandthetimeto failureisdetermined. 5.2Materials 5.2.1 Absorbentcleaningmaterial:surgicalgauze,cottonwoolortissue.Tobesuitable,materialsshallbelint freeduringuse,absorbent,containnoadditivesthataresolubleinthesolventslistedin5.2.2andmadeexclusively fromvirginmaterials. 5.2.2 Oneorm
33、oreofthefollowingsolvents: diacetonealcohol(4Hydroxy4methyl2pentanone )nonresidualgrade; methanol; methyl ethyl ketone; acetone; nheptane. amixtureofnheptaneandafluorinatedhydrocarbonsuchasrefrigerant(suitablewhentoxicityorflammability restrictionsapply). Solventsshallbeofgeneralpurposechemicalgrade
34、andheldinasuitabledispensingsystem. 5.3Apparatus 5.3.1 Testpiececutter Atestpiececuttershallholdtwosingleedgerazorbladesinparallelplanesaprecisedistanceapart,toforma cutterofexactspecimenwidth;twocutters,12mmand24mmcuttingwidth,shallbeavailableorappropriate alternativeswhichwillnotcauseedgedamage.Th
35、eprecisionoftherazorbladeseparationshallbethenominal width 0,1mm.EN1943:2002(E) 7 5.3.2 Stainlesssteelpanels Theseshallbeperfectlyflat,atleast125mmlongand50mmwideandatleast1,1mmthick,stainlesssteeltype 1.4301inaccordancewiththe2RqualitydefinedinEN100882:1995,havingabrightannealedfinishwitha surfacer
36、oughnessof50nm 25nm.Panelsshowingstains,discolorationormanyscratchesarenotacceptable. Newpanelsshallbecleanedpriortouseasdescribedin5.5.2.1exceptwithtenwashesofthefinalsolvent. Betweenusesthepaneltestsurfaceshallbeprotectedfromscratchesandcontaminationandthepanelsshallbe storedintheconditionsdescrib
37、edin5.5.2.1. 5.3.3 Rollermechanicallyorhandoperated 5.3.3.1 Asteelroller85mm 2,5mmindiameterand45mm 1,5mminwidth,coveredwithrubber approximately6mminthickness,havingaShoreAdurometerhardnessof80 5.Thesurfaceshallbeatrue cylinder,voidofanyconvexorconcavedeviations.Themassoftherollershallbe2kg 0,1kg. 5
38、.3.3.2 Nopartoftheapparatusshallincreasethemassoftherollerduringuse.Therollershallmoveeither mechanicallyorbyhandattherateof10mm/s 0,5mm/s. 5.3.4 Teststandsandancillaryapparatus 5.3.4.1 Teststand Ateststandthatshallholdthetestpanel,withtapeapplied,atananglebetween0and2fromthevertical,sothat whenthem
39、assisactingonthetestspecimen,nopeelforcewillbeexertedonthetape. 5.3.4.2Clamps Clampsthatwillallowtheattachmentofthemasstothespecimen,distributingtheloadequallyacrossthetape specimenwidth. 5.3.4.3Test masses Thetestmassshallbe1000g5gorothermassasspecified.Themassoftheclampdescribedin5.3.4.2shall bein
40、cludedaspartofthetotalmass. 5.3.4.4Timing system Atimingsystemtomeasure theintervalbetweentheapplicationoftheloadtothespecimenanditsseparationfrom thepanel. 5.4 Testsamplesandtestpiece 5.4.1Conditioning Conditionthesamplerollsoftapeinthestandardconditionsof23C 1Cand50% 5%RH.Testatthese conditionsunl
41、essotherwisespecified(see5.7.h). Ifthesetolerancescannotbemaintained,theclosestpossibletolerancesshallbeusedandtheserevised tolerancesquotedinthereport. 5.4.2 Thetestrequires3testpieces,eachshallbe12mm0,5mmwidebyapproximately150mmlong. Alternativelytestpiecesof24mm 0,5mmorotherwidthsmaybeusedspecify
42、ingthecontactareausedwiththe results. 5.4.3 Discardatleastthreebutnomorethansixouterwrapsoftapefromthesamplerollbeforetakingthetest piecesfortesting.EN1943:2002(E) 8 5.4.4 Remove3testpiecesforeachtesttobeperformed.Removeeachtestpiecefromafreelyrotatingrollat therateof500mm/sto750mm/s.Wherehighunwind
43、forcemakesitimpossibletoremovethetestpieceatthe prescribedrate,removeitatarateascloseto500mm/saspossible. 5.4.5 Whenthetapeiswiderthan12mm,testpiecesofthespecifiedwidtharetobecutwithanapparatusas describedin5.3.1fromthecentreofastripremovedfromtherollinaccordancewith5.4.4. 5.4.6 Applythetestpieceswithin5minutesafterunwinding. 5.5Procedure 5.5.1 Standardtestconditions Standardtestcond
