1、BRITISH STANDARD BS EN 12781:2001 Wallcoverings Specification for cork panels The European Standard EN 12781:2001 has the status of a British Standard ICS 79.100; 91.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12781:2001 This British Standard, having been prepared
2、 under the direction of the Consumer Products and Services Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 2001 BSI 03-2001 ISBN 0 580 37010 0 National foreword This British Standard is the official English language version of EN 12781
3、:2001. The UK participation in its preparation was entrusted to Technical Committee CW/35, Wallcoverings, 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 interna
4、tional 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 by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to includ
5、e 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 immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/Europea
6、n committee any enquiries on the 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
7、 2 to 13 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12781 January2001 ICS79.100;91.180 Englishversion WallcoveringsSpecific
8、ationforcorkpanels RevtementsmurauxSpcificationpourlespanneauxen lige WandbekleidungenFestlegungfrKorkplatten ThisEuropeanStandardwasapprovedbyCENon5January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanatio
9、nalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheres
10、ponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,Sw
11、itzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12781:2001EPage2 EN12781:2001 C
12、ontents Page Foreword 3 1Scope 4 2Normativereferences 4 3Termsanddefinitions 4 4.Requirements 5 5Testmethods 5 6Evaluationofconformity 7 7Marking,labellingandpackaging 7 AnnexA(normative)Modifications,forcorkproducts,togeneraltestmethodCgiveninEN12149 8 AnnexB(informative)OptionalProperties 9 AnnexC
13、(normative)Factoryproductioncontrolandinitialtypetesting 10 AnnexD(informative)Supplementaryinformation 12 Bibliography 13Page3 EN12781:2001 Foreword ThisEuropeanStandardhasbeenpreparedbyCEN/TC99“Wallcoverings“thesecretariatofwhichis heldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalsta
14、ndard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyJuly2001,andconflictingnationalstandardsshallbe withdrawnatthelatestbyJuly2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austri
15、a,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.Page4 EN12781:2001 1Scope ThisEuropeanStandardspecifiestherequirementsofcorkpanelstobeusedaswallcoveringswithin buildings.Thestanda
16、rdcontainsprovisionsfortheevaluationofconformityoftheproduct.Italso includesrequirementsformarking,packagingandlabelling. Accordingtotheirconstitutioncorkpanelsmaybegroupedintothreetypesinaccordancewiththe descriptioninTable1. Table1Constitutionofcorkpanels TYPE Constitutionofpanels I Expandedcork(c
17、orkboard) II Agglomeratedcomposition cork III Layerswithtwoormoreof theprecedingtypes Corkpanelsmaybecoveredwithothercomplementarylayersofdecorativematerials,e.g.decorative cork,withorwithoutcolouredapplications. 2Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisio
18、nsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferencessubsequentamendmentsto,orrevisionsofanyof thesepublicationapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentor revision.Forundatedreferencesthel
19、atesteditionofthepublicationreferredtoapplies(including amendments). EN427 ResilientfloorcoveringsDeterminationofthesidelength,squarenessand straightnessoftiles EN434 ResilientfloorcoveringsDeterminationofdimensionalstabilityandcurlingafter exposuretoheat EN823 Thermalinsulatingproductsforbuildingap
20、plicationsDeterminationof thickness EN12089 ThermalinsulatingproductsforbuildingapplicationsDeterminationof bendingbehaviour EN12105 ResilientfloorcoveringsDeterminationofthemoisturecontentofagglomerated compositioncork EN12149 WallcoveringsinrollformDeterminationofmigrationofheavymetalsand certaino
21、therelements,ofvinylchloridemonomerandofformaldehyderelease ISO7322 CompositioncorkTestmethods ISO8724 CorkdecorativepanelsSpecification ENISO9001 QualitysystemsModelforqualityassuranceindesign,development, production,installationandservicing(ISO9001:1994) ENISO9002 QualitysystemsModelforqualityassu
22、ranceindesign,development, production,installationandservicing(ISO9002:1994) 3Termsanddefinitions ForthepurposesofthisEuropeanStandardthefollowingtermsanddefinitionsapply:Page5 EN12781:2001 3.1 cork protectivelayerofthecorkoaktree( Quercussuber L.)whichcanbeperiodicallyremovedfromits trunkandbranche
23、stoprovidetherawmaterialforcorkproducts 3.2 granulatedcork fragmentsofcorkobtainedbygrindingand/ormillingrawormanufacturedcork 3.3 agglomeratedcompositioncork productobtainedfromtheagglutinationofgranulatedcorkwiththeadditionofabindernotderived fromcorkcells 3.4 expandedcork(corkboard) productmadefr
24、omgranulatedcorkexpandedandbondedexclusivelywithitsownnaturalbinder exudedfromcorkcellsbyheatingunderpressure 3.5 wallcovering product,suppliedeitherinpanelorrollform , forhangingontointernalwallsorceilingsinbuildingsby meansofanadhesivecoveringthewholeoftheinterfacebetweenthewallcoveringandthesuppo
25、rt 3.6 corkwallcovering productmainlymadefromcorkoragglomeratedcompositioncorkoracombinationofthese,supplied eitherinpanelorrollform,whosemainintendeduseisforindoorapplication 3.7 batch definedquantityofsomecommoditymanufacturedorproducedunderconditionswhicharepresumed uniform 3.8 testspecimen parto
26、fasamplepreparedforatest 4Requirements CorkpanelsshallconformwiththerequirementsspecifiedinTable2,whentestedinaccordancewith themethodsgiventherein. NOTEInformationonadditionalpropertiesisgiveninannexB. 5Testmethods 5.1Sampling Thesamplefortestingshallbetakenfromtheavailablematerial,eitherduringthep
27、rocessorfromthe finalproduct.Testspecimensshallbetaken,oneperpanel,ataminimumdistanceof50mmfromthePage6 EN12781:2001 edges.Eachtestspecimenshallbesquarelycutandhaveedgesperpendiculartoitssurfaceandnot showanycracksorfolds. Theminimumnumberoftestspecimensrequiredtogetonetestresultonaproductpropertyis
28、givenin Table2. 5.2Conditioning Testspecimensshallbeconditionedbeforetestingforatleast12hat(235)C.Incaseofdispute, theyshallbeconditionedbeforetestingat(232)Cand(505)%relativehumidity,foratleast24 h.Beforethedeterminationofthemoisturecontentnoconditioningshallbedone. 5.3Testing Testsshallbecarriedou
29、tinaccordancewiththestandardsreferredtointable2.Thetestresultona productpropertyisthemeanofthemeasuredvaluesonthenumberoftestspecimensmentionedin Table2. Table2Requirements Property Requirements Dimension(or mass)oftest specimens Test Method Numberof test specimens togetone result Sidelength Squaren
30、essand Straightness side400mm maximumdeviationfrom nominaldimensions a :0,5% maximumdeviation: 10mm maximumdeviationfrom nominalvalue0,8mm Thickness2mm maximumdeviationfrom nominalvalue0,3mm fullpanel fullpanel EN823 ISO7322 5 Bendingstrength TypeI 130kPa 300mmx150mm EN12089 methodB 5 Tensilestrengt
31、h TypesIIandIII 200kPa 100mmx50mm ISO7322 3 Dimensional stability 0,4% fullpanel EN434 3 Curling 6mm fullpanel EN434 3 Moisturecontent 7% 100mmx100mm EN12105 3 Resistanceof gluing shallnotunglue 100mmx100mm ISO8724 annexA 3 Formaldehyde released 95mg/kg 50mmx25mm (10gto15g) EN12149 methodC b 3 a See
32、annexB b WithmodificationsgiveninannexAPage7 EN12781:2001 6Evaluationofconformity Theevaluationofconformityshallbebasedonfactoryproductioncontrolandtestsonsamplestakenat thefactory,followingtheprovisionsgiveninannexCofthisEuropeanStandard. 7Marking,labellingandpackaging Productsconformingtotherequir
33、ementsofthisstandardshallbeclearlyandindeliblymarkedbythe manufacturer eitheronthepackagingoronanadhesivelabelwiththefollowinginformation: a) thenumberandtheyearofthisstandard,i.e.EN12781:2001; b)nameorsuppliersidentification; c)theproductname andbatchnumber (possiblyincodeform); d)yearofmanufacture
34、(lasttwodigits ); e)thenominaldimensionsofthepanels; f)thenumberofpanelsineachpackage; g)awarningthatpackagesshouldbestored/shieldedfromdirectsunlightandatmospherichumidity.Page8 EN12781:2001 AnnexA (normative) Modifications,forcorkproducts,togeneraltestmethodCgiveninEN12149 Forthepurposesofthisstan
35、dardthetestmethodCreferredtoinEN12149shallbemodifiedforcork products,inaccordancewiththefollowing,therestofthestandardremainingunchanged: 1S c o p e TestmethodCalsoappliestocorkwallcoveringsinpanelform. 6.5 Standardsolutions Useatleastfivesolutionsandablank.Theconcentrationofthesestandardsshallbesuc
36、hthattheywill allowtheinterpolationofresultsandthereadingofthevaluesforthetestspecimensatthemiddleof thecalibrationcurve. ExamplesofstandardsolutionsappropriateforcorkproductsaregiveninTable1: Table1Examplesofstandardsolutions VolumeofstandardB (ml) Volumeofwater (ml) Formaldehydecontent ( g/ml) 0 5
37、 10 20 50 100 100 95 90 80 50 0 0 0,75 1,50 3,00 7,50 15,00 6.6Apparatus 6.6.9 Balance,accuratetoread0,1milligramPage9 EN12781:2001 AnnexB (informative) OptionalProperties B.1 General Themanufacturermaychoosetogiveadditionalinformationconcerningotherproductpropertiesthan thosegiveninTable2ofthisstan
38、dard. Thisinformationshouldbegivenaslimitvaluesobtainedbycarryingouttestsinaccordancewiththe testmethodsreferredtobelow. B.2 Lineardimensions ThecommonlypreferredlineardimensionsofcorkpanelsaregiveninTableB.1. TableB.1Preferreddimensions Dimension Nominalsize(mm) Testmethod Length 300or500 EN427 Wid
39、th 300or500or600or 900 EN427 Otherdimensionsmaybeestablishedbyagreementbetweenparties. B.3 Apparentdensity Theapparentdensityofcorkwallcoveringsshouldbedeterminedonfivefullpanels.IncaseoftypeI, theapparentdensityshouldbedeterminedaccordingtoEN1602;fortypesIIand III,EN 672shouldbe used.Thevaluesshoul
40、dbegiveninthemanufacturersdatasheet. B.4 Acousticproperties Ifproductsarerequiredforairbornesoundinsulation,theyshouldbetestedinaccordancewithENISO 1403.Theweightedsoundreductionindex, R w ,shouldbederivedaccordingtoENISO7171and declaredbythemanufacturerindecibels. B.5 Thermalproperties Duetotheirna
41、turalproperties,corkwallcoveringscontributetoreducingenergyconsumption.To evaluateitscontributiontothethermalperformanceofthewalls,theproductshouldbetestedfor thermalresistance( R)orthermalconductivity( )inaccordancewithprEN12667:2000andthevalue declaredbythemanufacturerinm . K/WorW/(m . K).Page10 E
42、N12781:2001 AnnexC (normative) Factoryproductioncontrolandinitialtypetesting C.1General FactoryProductionControl(FPC)meansthepermanentinternalcontrolofproductionexercisedbythe manufacturer.Itsimplementationshallbeachievedbycontrolsonrawandconstituentmaterials,on processesandmanufacturingequipmentand
43、onfinishedproductsandbymakinguseoftheresultsthus obtained. Factoryproductioncontrolshallbeoperatedaccordingtoadocumentedsystemwhichshallbelaid downinaqualitymanual.Themanufacturersdocumentationshallberelevanttotheproductionand processcontrolused. FPCshallbebasedon: a)controlofrawmaterial, b)processcontrol, c)testingofproducts, d)calibrationplan, e)traceability. WheretheproductionunithasaqualitymanagementsysteminaccordancewithENISO9001orEN ISO9002andmadespecifictotherequirementsofthisstandard,thisisdeemedtosatisfythegeneral requirements
