EN 12960-2001 en Adhesives for Paper and Board Packaging and Disposable Sanitary Products - Determination of Shear Resistance (Incorporating corrigendum June 2007)《纸和纸板 包装及一次性卫生产品用.pdf

《EN 12960-2001 en Adhesives for Paper and Board Packaging and Disposable Sanitary Products - Determination of Shear Resistance (Incorporating corrigendum June 2007)《纸和纸板 包装及一次性卫生产品用.pdf》由会员分享，可在线阅读，更多相关《EN 12960-2001 en Adhesives for Paper and Board Packaging and Disposable Sanitary Products - Determination of Shear Resistance (Incorporating corrigendum June 2007)《纸和纸板 包装及一次性卫生产品用.pdf（10页珍藏版）》请在麦多课文档分享上搜索。

1、BRITISH STANDARD BS EN 12960:2001 Incorporating corrigendum no. 1 Adhesives for paper and board, packaging and disposable sanitary products Determination of shear resistance The European Standard EN 12960:2001 has the status of a British Standard ICS 83.180 BS EN 12960:2001 This British Standard was

2、 published under the authority of the Standards Committee and comes into effect on 15 May 2001 BSI 2007 ISBN 978 0 580 59407 6 National foreword This British Standard is the UK implementation of EN 12960:2001, incorporating corrigendum June 2007. The start and finish of text introduced or altered by

3、 corrigendum is indicated in the text by tags . Text altered by CEN corrigendum June 2007 is indicated in the text by . The UK participation in its preparation was entrusted to Technical Committee PRI/52, Adhesives. A list of organizations represented on this committee can be obtained on request to

4、its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments 1726

5、4 Corrigendum No. 1 31 August 2007 See national forewordEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12960 March2001 ICS83.180 Englishversion Adhesivesforpaperandboard,packaginganddisposable sanitaryproductsDeterminationofshearresistance Adhsifspourpapieretcarton,emballageetproduits sanitairesje

6、terDterminationdelarsistanceau cisaillement KlebstoffefrPapier,VerpackungundHygieneprodukte BestimmungdesScherwiderstandes ThisEuropeanStandardwasapprovedbyCENon4February2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthe

7、statusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslati

8、on undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,S

9、pain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12960:2001E Incor

10、poratingcorrigendumJune2007Page2 EN12960:2001 Contents Page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions . 4 4 Principle4 5 Safety4 6 Preparationoftestspecimens . 4 7 Conditioning.5 8 Procedure.5 9 Expressionofresults . .6 10 Testreport 6Page3 EN12960:2001 Foreword ThisEuropeanS

11、tandardhasbeenpreparedbyTechnicalCommitteeCEN/TC193“Adhesives“,thesecretariatof whichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2001,andconflictingnationalstandardsshallbewithdrawnatthe latest

12、bySeptember2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Swede

13、n, SwitzerlandandtheUnitedKingdom.Page4 EN12960:2001 1Scope ThisEuropeanStandardspecifiesatestmethodforthedeterminationoftheshearresistanceofanadhesivebond atconstantstaticloadandconstantorincreasingtemperature. Thetestmethodisintendedforrankingandqualitycontrolofadhesivesandnotforobtainingdataforde

14、sign purposes. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublica

15、tionsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN923 AdhesivesTermsanddefinitions EN ISO15065 AdhesivesSampling(ISO15605:2000) EN1067 AdhesivesExaminationandpreparationofsampl

16、esfortesting ISO291 PlasticsStandardatmospheresforconditioningandtesting. 3 Termsanddefinitions ForthepurposeofthisEuropeanStandard,thetermsanddefinitionsgiveninEN923apply. 4Principle Aconstantshearforceisappliedtoanadhesivebond.Thetimeforbondfailuretooccuratconstanttemperatureis recordedoralternati

17、vely,withincreasingtemperature,thetemperatureatwhichfailureoccurs. 5Safety Personsusingthisstandardshallbefamiliarwithnormallaboratorypractice. Thisstandarddoesnotpurporttoaddressallthesafetyproblems,ifany,associatedwithitsuse. Itistheresponsibilityoftheusertoestablishsafetyandhealthpracticesandtoen

18、surecompliancewithany Europeanornationalregulatoryconditions. 6 Preparationoftestspecimens Testspecimensshallbesingleoverlappedjointsusingadherendscapableofwithstandingtheexpectedshear force. Theadherendsshallbeidenticalunlessthetestiscarriedouttoverifycompliancewithaspecificationwhich requiresadher

19、endsofdifferentmaterials.Theadherendsshallbefullydescribedinthetestreport. A signifiantsampleoftheadhesiveshallbetakeninaccordancewith ENISO15605 andpreparedfortestingin accordancewithEN1067. Theadhesiveshallbeappliedtooneorbothoftheadherendsbythemethodrecommendedbytheadhesive manufacturer.Theapplic

20、ationtemperatureshallbespecified. Page5 EN12960:2001 Thecoatingconditions,coatingweightandbondingconditionsshallcomplywithcommercialpracticeandshallbe reported. Testspecimensofwidth(25 1)mmshallbecutfromthebondedadherendsunlessotherwisespecified.These bondedadherendsshalloverlapatleast(10 1)mmandbeo

21、fsufficientwidthtocutaminimumofthreetest specimenseach25mmwideatrightanglestotheoverlapwithoutusingtheedgeareas.Itisadvisabletoprepare morethanthreetestspecimens. Differentadhesivetypese.g.hotmeltadhesiveswillrequiredifferentmethodsofpreparingthetestspecimensbut thebondedareashallstillbe(25 1)mmx(10

22、 1)mm. Ifapressisusedtomakethetestspecimens,itshallbecapableofapplyinganevenpressureovertheentire bondedareaandshouldpreferablybefittedwithatimereleasemechanism. Inordertogiveanuniformdistributionofpressureoverthebondedareatheplatensofthepressshallbeparallel butwherethisisimpracticable,oneplatencanb

23、ecoveredwitharesilientpad. Atleastthreetestspecimensshallbetested,unlessadifferentnumberisspecified. 7Conditioning Theadherendsshallbestoredunderstandardconditionsoftemperatureandhumidityforatleast24h. Thetestspecimensshallbestoredunderthesameconditionsforatleast24hbeforebeingtested. Unlessotherwise

24、specifiedtherecommendedconditionsareatemperatureof(23 2)Cand(50 5)%relative humidityaccordingtoISO291. 8Procedure 8.1 Constanttemperature Choosethetestconditions(temperatureandrelativehumidity). Hang thetestspecimenfromoneendinaverticalplaneandaloadof 1 kg attachedtothelowerendofthetest specimeninsu

25、chawayastoavoiddistorsionofthetestspecimenandtoallowanevendistributionoftheload overtheentirebondedarea.Recordthetimeafterwhichthebondisbroken.Ifnobondfailureoccurswithinfive days,thetestshallberepeatedusinganincreasedload,forexample, 1,5 kg . Iftheadherendfailsundertheappliedload,thetestshallberepe

26、atedusingalowerload. 8.2Increasing temperature Ifthetemperatureatwhichfailureoccursistobedetermined,placethetestspecimensinanovenprogrammedto raisethetemperatureevenlyby5C/h. Recordthetemperaturewhenfailureoccurs. Page6 EN12960:2001 9 Expressionofresults 9.1 Constanttemperature Theresultisthemeanoft

27、hevaluesobtainedexpressedinminutesfortheappliedloadinkilograms. 9.2Increasing temperature TheresultisthemeanvalueobtainedexpressedinCfortheappliedloadinkilograms. 10 Testreport Thereportshallstate: a)referencetothisstandardandthedateoftesting; b)adesignationoftheadhesive,givingallinformationrequired

28、forcompleteidentificationofthesample; c)adescriptionoftheadherendsincludingmaterialthickness,surfacepreparationandthenumberoftest specimensused; d)overlappedareaofthebond; e)themethodofbonding,thecoatingweight,coatingconditions,bondingconditionsincludingpressureandthe adhesivetemperature; f)the load

29、 appliedtothebondandthestorageandtestingconditions; g)inthecaseoftestingatelevatedtemperature,therateofincreaseofthetemperature,thenumberoftest specimensused; h)theresultofthetest; i)anyotherfactorswhichcanhaveaffectedtheresultofthetest. blankBS EN 12960:2001 BSI 389 Chiswick High Road London W4 4AL

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