1、BRITISH STANDARD BS EN 1939:2003 Self adhesive tapes Determination of peel adhesion properties The European Standard EN 1939:2003 has the status of a British Standard ICS 83.180 BS EN 1939:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on
2、8 August 2003 BSI 8 August 2003 ISBN 0 580 42430 8 National foreword This British Standard is the official English language version of EN 1939:2003. It supersedes BS EN 1939:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PKW/5, Primary and trans
3、port packaging, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catal
4、ogue 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 contract. Users are responsible for its cor
5、rect 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 proposals for change, and keep the UK interests informed; monito
6、r 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 15 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last
7、issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1939 July2003 ICS83.180 SupersedesEN1939:1996 Englishversion SelfadhesivetapesDeterminationofpeeladhesionproperties RubansautoadhsifsDterminationdespropritsde rsistanceaupelage Klebebnd
8、erBestimmungderKlebekraft ThisEuropeanStandardwasapprovedbyCENon7February2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcerning
9、s uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesame
10、statusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZA
11、TION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1939:2003EContents Page Foreword3 1 Scope 4 2 Normativereferences 5 3 Termsanddefinitions
12、. .5 4 Significanceanduse .5 5 Method1SelfadhesivetapesMeasurementofpeeladhesionfromstainlesssteelatan angleof180 .6 6 Method2SelfadhesivetapesMeasurementofpeeladhesionfromitsownbackingatan angleof180 .8 7 Method3SelfadhesivetapesMeasurementofpeeladhesionofdoublesidedandtransfer tapesatanangleof180
13、.10 8 Method4SelfadhesivetapesMeasurementofadhesionofthelinertoanadhesivetapeat anangleof180. .11 AnnexA (normative) SelfadhesivetapesMeasurementofpeeladhesionfromasurfaceatlow temperature 13 AnnexB (normative) SelfadhesivetapesMeasurementofpeeladhesionfromasurfaceatanangle of90 . 14 Page2 EN1939:20
14、03Foreword Thisdocument(EN1939:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC253,“Selfadhesivetapes“, thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJanuary2004andconflictingnationalst
15、andardsshallbewithdrawnatthelatestby January2004. InthisEuropeanStandardtheannexesAandBarenormative. ThisdocumentsupersedesEN1443:1996. ThisEuropeanStandardhasbeenrevisedinconjunctionwithAFERA(AssociationofEuropeanselfAdhesive tapesManufacturers)inEuropeandPSTC(PressureSensitiveTapeCouncil)inUSAwith
16、thepurposetoproduce astandardwhichwillbeacceptableinduecoursebyISO. KeychangesfromEN1939:1996are: steelplatesarerevisedtoreadilyavailable,industrystandardsteelwithasmoothersurfacefinish; alighter,rubbercoatedroller; dwelltimebeforetestingismorerealisticallyspecifiedatoneminute; testdatafromtherevise
17、dtestwillbegenerallylowerthanfromEN1939:1996. NOTE Thelowervalueobtainedbythenewmethoddoesnotreflectanychangeinproductperformance. Thescopeofthestandardhasalsobeenextendedtoinclude: peeladhesionatanangleof90; peeladhesionofalinertoanadhesivetape. AccordingtotheCEN/CENELECInternalRegulations,thenatio
18、nalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Page3 EN1939
19、:20031Scope ThisEuropeanStandardspecifiesaseriesofmethodsforthedeterminationofpeeladhesionpropertiesofself adhesivestapes. AnnexesAandBspecifyfurthervariationsinthetestingprotocolaccordingtospecificconditions. ThisEuropeanStandardcontains: Method1 : SelfadhesivetapesMeasurementofpeeladhesionfromstai
20、nlesssteelatanangleof180; Method2 : SelfadhesivetapesMeasurementofpeeladhesionfromitsownbackingatanangleof180; Method3: SelfadhesivetapesMeasurementofpeeladhesionofdoublesidedandtransfertapesatan angle180; Method4 : SelfadhesivetapesMeasurementofadhesionofthelinertoanadhesivetapeatanangleof 180. Tog
21、etherwith AnnexA SelfadhesivetapesMeasurementofpeeladhesionfromasurfaceatlowtemperature; AnnexB SelfadhesivetapesMeasurementofpeeladhesionfromasurfaceatanangleof90. AguidetotheuseofthesemethodsandannexesisgiveninTable1. Table1Methodsandannexes Temperatureoftest Method Angleofpeel 23 C Lowtemperature
22、 Method1 180 AnnexA Adhesiontosteel 90 AnnexB Method2 180 AnnexA Adhesionto backing 90 AnnexB Method3 180 AnnexA Adhesionof doublesidedand transfertape 90 AnnexB Method4 180 AnnexA Adhesionofliner 90 AnnexB NOTE1 Thesemethodsprovideameansofassessingtheuniformityoftheadhesion ofagiventypeofselfadhesi
23、vetape.Theassessmentmaybewithinarolloftape, betweenrollsorbetweenproductionlots. NOTE2 Variationsinthetapebackingandadhesiveaffecttheresponse.Therefore thesemethodscannotbeusedtopinpointthespecificcause(s)ofnonuniformity. NOTE 3 Thesetestmethodsmaynotbeappropriatetotesttapeshavingeither relativelyst
24、iffbackings,stifflinersorbackingshowinghighstretchatlowforces.These characteristicswillresultinahighvariabilityforthetestresponsewhichisnotatrue indicationoftherealnatureoftheadhesivebond. Page4 EN1939:20032 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfrom
25、otherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelateste
26、ditionofthe publicationreferredtoapplies(includingamendments). EN100882, StainlesssteelsPart2:Technicaldeliveryconditionsforsheet/plateandstripforgeneralpurposes. EN12481:2000, SelfadhesivetapesTerminology. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN1248
27、1:2000andthefollowing termsanddefinitionsapply. 3.1 peeladhesion forcerequiredtopeelastripofadhesivetapefromaspecifiedsubstrateataspecifiedangleandspeed 3.2 openside(adhesive) surfaceoftheadhesiveonadoublesidedtapewhichisexposedonnormalunwindingorseparationofthefirst liner 3.3 closedside(adhesive) s
28、urfaceoftheadhesiveonadoublesidedtapewhichnormallyremainsincontactwiththereleaselineronnormal unwindingorseparationofthefirstliner 3.4 transfertape adhesivetapehavingtwoavailablepressuresensitivesurfaceswithouttheneedforacarrierandwitharelease linerseparatingtheadhesivesurfaces.Theadhesivemaycontain
29、reinforcingmaterial 4 Significanceanduse Thesetestmethodsaretoolsforqualitycontrol use.Givenspecificselfadhesivetapeandarequirementinterms oftheminimumormaximumvalueexpectedforthistape,thedatafromthetestcanbeusedinconjunctionwith acceptancecriteria. Testmethods1,2,3,andAnnexesAandBcanshowtherelative
30、bondstrengthofagiventapetooneormore surfaces(materialandtexture)ascomparedtothestandardstainlesssteelpanel.Substitutionofrepresentative samplesofmaterialsinquestionforthestandardsteelpanelwouldsufficetodothis.Testmethods1,2,3,and AnnexesAandBcannotbeusedtocomparetwoselfadhesivetapesofthesametypebuto
31、fdifferentmanufacture fortheirabilitytoadheretoasurface.Thisisbecausethemeasuredpeelforceisnotnormalisedforafixedareaof stress.Theareaunderstressvarieswithbackingstiffnessandadhesiverheology(firmness).Twodifferenttapes seldomagreeintheseproperties. Testmethod4canshowtheamountofforcerequiredtoremovea
32、linerthatcoverstheadhesivesideofatapeata specifiedpeelrate.Theforcewillbedifferentatotherpeelrates. Thesetestmethodsmaynotprovidedesigninformationasthereisusuallynodirectrelationshipbetweenpeel adhesionandanyfunctionalrequirement. Page5 EN1939:20035 Method1SelfadhesivetapesMeasurementofpeeladhesionf
33、romstainlesssteel atanangleof180 5.1Principle Themethod1givesameasureoftheforcerequiredtoremoveatanangleof180anadhesivetapewhichhas beenappliedtoastainlesssteelpanel. Alengthofadhesivetapeisappliedtoastandardplatewhichisthenfixedverticallyinoneclampofatensile testingmachine.Theotherclampofthemachine
34、pullsthefreeendoftheadhesivetapeatanangleof180tothe plate. Theadhesivestrengthismeasuredbytheforcerequiredtopeeltheadhesivetapecontinuouslyfromtheplate,the lineofseparationbeingperpendiculartothedirectionoftheappliedforce. 5.2Materials 5.2.1 Absorbentcleaningmaterial: surgicalgauze,cottonwoolortissu
35、e.Tobesuitable,materialsshallbelint freeduringuse,absorbent,containnoadditivesthataresolubleinthesolventslistedin5.2.2andmadeexclusively fromvirginmaterials. 5.2.2 Oneormoreofthefollowingsolvents: diacetonealcoholnonresidualgrade(4hydroxy4methyl2pentanone); methanol; methyl ethyl ketone; acetone; nh
36、eptane; amixtureofnheptaneandafluorinatedhydrocarbonsuchasrefrigerant(suitablewhentoxicityorflammability restrictionsapply). Solventsshallbeofgeneralpurposechemicalgradeandheldinasuitabledispensingsystem. 5.3Apparatus 5.3.1 Testpiececutter Anappropriatetestpiececuttershallholdtwosingleedgerazorblade
37、sinparallelplanesaprecisedistanceapart, toformacutterofexactspecimenwidth;twocutters,12mmand24mmcuttingwidth,shallbeavailableor appropriatealternativeswhichwillnotcauseedgedamage.Theprecisionoftherazorbladeseparationshallbethe nominalwidth 0,1mm. 5.3.2 Tensiletestingmachine Aconstantrateofextension(
38、CRE)tensiontestershallbeused.Itisproposedtouseanelectronicmachinetaking atleastonereadingpermmoftapepeeled.Thetestershallhavetwoclampswithcentresinthesameplane, parallelwiththedirectionofthemotiononthesameplane,parallelwiththedirectionofthemotiononthestressing clampandsoalignedthattheywillholdthespe
39、cimenwhollyinthesameplane;ameansofmovingthestressing clampatauniformrateof(50,2)mm/sandadeviceforrecordingload.Theinstrumentshallbecalibratedsuch thatamaximumerrorof2%isallowedonthereading. Page6 EN1939:20035.3.3 Stainlesssteelpanels Theseshallbeperfectlyflat,atleast125mmlongand50mmwideandatleast1,1
40、mmthick,stainlesssteeltype 1.4301inaccordancewiththe2RqualitydefinedinEN100882,havingabrightannealedfinishwithasurface roughnessof50nm 25nm.Panelsshowingstains,discolorationormanyscratchesarenotacceptable.New panelsshallbecleanedpriortouseasdescribedin1.8.2exceptwithtenwashesofthefinalsolvent.Betwee
41、n usesthepaneltestsurfaceshallbeprotectedfromscratchesandcontaminationandthepanelsshallbestoredin theconditionsdescribedin5.4.1. 5.3.4 Rollermechanicallyorhandoperated 5.3.4.1 Asteelroller(85 2,5)mmindiameterand(45 1,5)mminwidth,coveredwithrubberapproximately 6mminthickness,havingahardnessof(80 5)Sh
42、oreA.Thesurfaceshallbeatruecylinder,voidofanyconvex orconcavedeviations.Themassoftherollershallbe(2 0,1)kg. 5.3.4.2 Nopartoftheapparatusshallincreasethemassoftherollerduringuse.Therollershallmoveeither mechanicallyorbyhandattherateof(10 0,5)mm/s. 5.4 Testsamplesandtestpieces 5.4.1 Conditioning Conditionthesamplerollsoftapeinthestandardconditionsof(23 1)Cand(50 5)%relativehumidity(RH). Testattheseconditionsunlessotherwisespecified(see5.7.i).Ifthesetolerancescannotbemaintained,the closestpossibletolerancesshallbeusedandtheserevisedtolerancesquot
