1、BRITISH STANDARD BS EN 622-1:2003 Fibreboards Specifications Part 1: General requirements The European Standard EN 622-1:2003 has the status of a British Standard ICS 79.060.20 BS EN 622-1:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on
2、 4 July 2003 BSI 4 July 2003 ISBN 0 580 42213 5 National foreword This British Standard is the official English language version of EN 622-1:2003. It supersedes BS EN 622-1:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/541, Wood based panels,
3、 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 Catalogue under the
4、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 correct applicatio
5、n. 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 interpretation, or proposals for change, and keep the UK interests informed; monitor
6、 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 9 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issu
7、ed. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN6221 April2003 ICS79.060.20 SupersedesEN6221:1997 Englishversion FibreboardsSpecificationsPart1:Generalrequirements PanneauxdefibresExigencesPartie1:Exigences gnrales FaserplattenAnforderun
8、genTeil1:Allgemeine Anforderungen ThisEuropeanStandardwasapprovedbyCENon3March2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconce
9、rnings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasth
10、esamestatusasthe 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. EUROPEANCOMMITTEEFORSTANDA
11、RDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN6221:2003EEN6221:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4
12、 3 Requirements .4 4 Verificationofcompliance 6 4.1 General6 4.2 Externalcontrol 6 4.3 Factoryproductioncontrol .6 5 Marking .7 AnnexA (normative) Voluntarycolourcodingsystemforfibreboards .8 Bibliography 9EN6221:2003(E) 3 Foreword Thisdocument(EN6221:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC11
13、2“Woodbasedpanels”, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2003. ThisdocumentsupersedesEN6221:1997
14、. Thisstandardisoneofaseriesspecifyingrequirementsforfibreboards.Thetitlesoftheotherpartsofthisseries arelistedinclause2. ComparedtoEN6221:1997thefollowingmodificationshavebeenmade: a) annexAwithAdeviationsforformaldehydeemissionhasbeendeleted.Theformaldehydeclassesaccording toEN13986havetakenintoac
15、countinTable1andTable3. b) EN3262andEN3263havebeenaddedasnormativereferencesinclause4. AnnexAisnormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcoun triesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, Franc
16、e,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN6221:2003(E) 4 1Scope ThisEuropeanStandardspecifiestherequirementsforsomepropertieswhicharecommontoalluncoatedfibre boardtypesasdefinedinEN316. 2 Normat
17、ivereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEurope
18、an Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN120 ,WoodbasedpanelsDeterminationofformaldehydecontentExtractionmethodcalledtheperforator method. EN316, WoodfibreboardsDefinition,classificationand
19、symbols. EN322, WoodbasedpanelsDeterminationofmoisturecontent. EN323, WoodbasedpanelsDeterminationofdensity. EN3241, WoodbasedpanelsDeterminationofdimensionsofboardsPart1:Determinationofthickness widthandlength. EN3242, WoodbasedpanelsDeterminationofdimensionsofboardsPart2:Determinationofsquareness
20、andedgestraightness. EN3262, WoodbasedpanelsSampling,cuttingandinspectionPart2:Qualitycontrolinthefactory. EN3263, WoodbasedpanelsSampling,cuttingandinspectionPart3:Inspectionofaconsignmentof panels. EN6222, FibreboardsSpecificationsPart2:Requirementsforhardboards. EN6223, FibreboardsSpecificationsP
21、art3:Requirementsformediumboards. EN6224, FibreboardsSpecificationsPart4:Requirementsforsoftboards. EN6225, FibreboardsSpecificationsPart5:Requirementsfordryprocessboards(MDF). ENV7171, WoodbasedpanelsDeterminationofformaldehydereleasePart1:Formaldehydeemissionby thechambermethod. EN7172, Woodbasedp
22、anelsDeterminationofformaldehydereleasePart2:Formaldehydereleasebythe gasanalysismethod. 3Requirements FibreboardsshallcomplywiththegeneralrequirementslistedinTable1andthethicknesstoleranceslistedin Table2whendispatchedfromtheproducingfactory.Forcertainusesoffibreboards(seespecificstandardsfor fibre
23、boardstypesandgeneralperformancestandardsforwoodbasedpanels),inthecaseofdispatchincutsizes, orwhenfurthermachined(e.g.tonguedadgrooved),specialtolerancesfornominaldimensions,squarenessand edgestraightnessmaybeagreedupon.ThevaluesgiveninTable1andTable2fortolerancesfornominaldimen sions(thickness,widt
24、handlength),squareness,edgestraightnessanddensitywithinapanel,arecharacterizedby amoisturecontentinthematerialcorrespondingtoatemperatureof20 Candarelativehumidityof65%.Proper tiesnotrequiredforspecificboardtypesaremarked“.EN6221:2003(E) 5 Therequirementsrelatingtoformaldehydepotential(perforatorval
25、ue)shallbemetbythe95percentilevalue basedontestvaluesofindividualboards.The95percentilevalueshallbeequaltoorlessthanthevaluegivenin Table1. Table1Generalrequirementsfordifferenttypesoffibreboardatdispatch BoardType Property Test method Hard boards (HB) Medium boards (MBLandMBH) Soft boards (SB) Dryp
26、rocess boards (MDF) Tolerancesonnominal dimensions: Thickness Lengthandwidth EN3241 EN3241 seeTable2 2mm/m,maximum 5mm Squarencesstolerances EN3242 2mm/m Edgestraightness tolerance EN3242 1,5mm/m Moisturecontent EN322 4%to9% 4%to9% 4%to9% 4%to11% Toleranceonmean densitywithinapanel EN323 7% Formalde
27、hydepotential EN120or ENV7171 ClassE1 Perforatorvalue a Steadystateemission value b EN120or ENV7171 8mg/100govendryboard Release 0,124mg/m 3 air ClassE2 Perforatorvalue a Steadystateemission value b EN120or ENV7171 30mg/100govendryboard Release0,124mg/m 3 air a Theperforatorvaluesapplytopanelswitham
28、oisturecontent Hof6,5%.Inthecaseofdryprocessboardswithdifferent moisturecontents,theperforatorvalueshallbemultipliedbyafactor Fcalculatedfromthefollowingequations: Forpanelswithmoisturecontentsintherangeof4% H 9%: F= - 0,133 H +1,86 Respectivelyforpanelswithmoisturecontents H9%: F=0,636+3,12e ( - 0,
29、346 H) b Requiredforinitialtypetestingotherthanforestablishedproductswhereinitialtypetestingmayalsobedoneonthe basisofexistingdatawithEN120orEN7172testing,eitherfromfactoryproductioncontrolorfromexternalinspection.EN6221:2003(E) 6 Table2Tolerancesonnominalthicknessforfibreboardsatdispatch Nominalthi
30、ckness(mm) 3,5 3,5to5,5 5,5 Hardboards (HB) 0,3mm 0,5mm 0,7mm Nominalthickness(mm) 10 10 Mediumboards (MBLandMBH) 0,7mm 0,8mm Nominalthickness(mm) 10 10to19 19 Softboards (SB) 0,7mm 1,2mm 1,8mm Nominalthickness(mm) 6 6bis19 19 Boardtypes Dryprocessboards (MDF) 0,2mm 0,2mm 0,3mm 4 Verificationofcompl
31、iance 4.1General VerificationofcompliancewiththisEuropeanStandardshallbecarriedoutusingthetestmethodslistedinTable1. 4.2 Externalcontrol Externalcontrolofthefactory,ifany,shallbecarriedoutaccordingtoEN3262. TheinspectionofaconsignmentofpanelsshallbecarriedoutaccordingtoEN3263. Inthecaseofformaldehyd
32、epotentialdeterminedbyEN120perforatormethod,however,forbothexternalcontrol andinspectionofaconsignmentofpanels,therespectiverequirementssetoutinTable1shallbethearithmetic meanvalueofatleastthreeboards.Additionally,noindividualboardshallexceedanuppertolerancelimitof +10%. 4.3 Factoryproductioncontrol
33、 FactoryproductioncontrolshallbecarriedoutaccordingtoEN3262. ThepropertieslistedinTables1and2shallbecontrolled,usingintervalsbetweentestsnotexceedingthosegiven inTable3.Samplingshallbecarriedoutatrandom.Alternativetestmethodsand/orunconditionedtestpiecesmay beusedifavalidcorrelationtothespecifiedtes
34、tmethodscanbeproven.Theintervalsbetweentestsgivenin Table3arerelatedtoaproductionunderstatisticalcontrol.EN6221:2003(E) 7 Table3Maximumintervalsbetweentestsforeachproductionline Property Maximumtestinterval Formaldehydepotential a ClassE1 ClassE2 24hpertypeofboard 1weekpertypeofboard Moisturecontent
35、 8hpertypeofboard Allotherpropertieslistedin Tables1and2 8hpertypeandthicknessrange a Sometypesoffibreboardsareknowntoreleaselittleornoformaldehyde.In thesecases,maximumtestintervalsmaybeincreased.However,itremains theresponsibilityoftheproducerorinspectionagency,ifany,toensure compliancewiththisEur
36、opeanStandard. 5Marking MarkingoffibreboardsshallbecarriedoutinaccordancewithEN6222,EN6223,EN6224 andEN6225as appropriate. Colourcodingisvoluntary.Ifapplied,itshallcomplywiththesystemshowninannexA.Thisstandarddoesnot excludecolourdyeingofthewholeboardorindividuallayersoftheboardaccordingtotraditiona
37、lnational practices.EN6221:2003(E) 8 Annex A (normative) Voluntarycolourcodingsystemforfibreboards Twocoloursareusedineachcase.Thefirstcolourdefinesthepanelaseitherintendedforgeneralpurposesuse orforloadbearingapplications(eitheroneortwostripesofthiscolourareused).Thesecondcolouridentifiesthe panela
38、sbeingsuitableforuseeitherindryorinhumidorinexteriorconditions. Thecoloursusedareasfollows: Firstcolour white generalpurpose Firstcolour yellow loadbearing Secondcolour blue dryconditions Secondcolour green humidconditions Secondcolour brown exteriorconditions.EN6221:2003(E) 9 Bibliography EN13986,
39、WoodbasedpanelsforuseinconstructionCharacteristics,evaluationofconformityandmarking.BS EN 622-1:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Eu
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