1、BRITISH STANDARD BS EN 12280-2:2002 Rubber- or plastic-coated fabrics Accelerated ageing tests Part 2: Physical ageing: effect of light or weathering The European Standard EN 12280-2:2002 has the status of a British Standard ICS 59.080.40 BS EN 12280-2:2002 This British Standard, having been prepare
2、d under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 30 August 2002 BSI 30 August 2002 ISBN 0 580 40314 9 National foreword This British Standard is the official English language
3、 version of EN 12280-2:2002. The UK participation in its preparation was entrusted to Technical Committee TCI/78, Coated fabrics, 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
4、 which implement international or European publications 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 pub
5、lication does not purport to include all the 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 internati
6、onal/European 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
7、 page, pages 2 to 7, 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 EN122802 August2002 ICS59.080.40 Englishversion Rubberorplast
8、iccoatedfabricsAcceleratedageingtests Part2:Physicalageing:effectoflightorweathering Supportstextilesrevtusdecaoutchoucoudeplastique EssaisdevieillissementacclrPartie2:Effetdela lumireoudesintempries MitKautschukoderKunststoffbeschichteteTextilien BeschleunigteAlterungsprfungenTeil2:Physikalische Al
9、terung:EinwirkungvonLichtoderVerwitterung ThisEuropeanStandardwasapprovedbyCENon17May2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferenc
10、esconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCent
11、rehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION CO
12、MITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN122802:2002EEN122802:2002(E) 2 Contents page Foreword 3 Introduction 4 1 Scope. 5 2 Normativeref
13、erences. 5 3 Principle. 5 4 Apparatus 5 5 Testspecimens. 5 5.1 Sampling 5 5.2 Preparation 5 5.3 Number 6 6 Testconditions.6 7 Expressionofresults. 6 8 Testreport. 6 AnnexA (informative) Examplesofphysicalproperties 7EN122802:2002(E) 3 Foreword ThisdocumentEN122802:2002hasbeenpreparedbyTechnicalCommi
14、tteeCEN/TC 248 “Textilesandtextileproducts“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyFebruary2003,andconflictingnationalstandards shallbewithdrawnatthelatestbyFebruary2003. ThisEur
15、opeanStandardEN12280“RubberorplasticcoatedfabricsAcceleratedageingtests“ consistsofthefollowingparts: Part1:Heatageing Part2:Physicalageing:effectoflightorweathering Part3:Environmentalageing ThisPartincludesoneinformativeannexA. Considerationisbeinggiventopreparingfurtherparts,tocoversuchprocessesa
16、sbiochemical ageing. WARNING:Personsusingthisstandardshouldbefamiliarwithnormallaboratorypractice.This standarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itis theresponsibilityoftheusertoestablishappropriatesafetyandhealthpracticesandtoensure compliancewithanynationalre
17、gulatoryconditions. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta, Netherlands,Norway,Portugal,S
18、pain,Sweden,SwitzerlandandtheUnitedKingdom.EN122802:2002(E) 4 Introduction Ageingreferstoall“slowandirreversible“changesinthepropertiesofamaterialresultingfromits owninstability,orfromtheeffectsoftheenvironment.Thisalterationcanaffectthechemical structureofthepolymersoradditives,thecompositionofthem
19、aterial,oritsphysicalproperties. NOTE Combustionisnotconsideredtobeanageingprocess,asthedeteriorationhappensveryrapidly. Acceleratedageingmethodsareusedasitispracticallyimpossibletoobtainexperimentalresults undernormalconditionsofutilisation. Thesemethodsinvolvesimulationswhichreproducethenormalcond
20、itionsofutilisationasclosely aspossible,butwheretheparametersaresetsothatageingoccursmorerapidly. Thisstandarddealssolelywithacceleratedageingmethods.EN122802:2002(E) 5 1Scope ThisEuropeanStandardspecifiesamethodforthedeterminationoflightorweathering acceleratedageingeffectsonphysicalpropertiesofcoa
21、tedfabrics.Colourfastnesstolightor weatheringisnotdealtwithbythisstandard. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthe publicationsarelistedhereafter.Fordatedre
22、ferences,subsequentamendmentstoorrevisionsof anypublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentor revision.Forundatedreference,thelatesteditionofthepublicationreferredtoapplies(including amendments). ENISO2231,RubberorplasticcoatedfabricsStandardatmospheresforconditioninga
23、nd testing(ISO2231:1989). ENISO22861,RubberorplasticcoatedfabricsDeterminationofrollcharacteristics Part1:Methodsfordeterminationoflength,widthandnetmass(ISO22861:1998). ENISO105B02, TextilesTestsforcolourfastnessPartB02:Colourfastnesstoartificial light:Xenonarcfadinglamptest(ISO105B02: 1994,includi
24、ngAmendment1:1998). ENISO105B04, TextilesTestsforcolourfastnessPartB04:Colourfastnesstoartificial weathering:Xenonarcfadinglamptest(ISO105B04:1994). 3Principle Samplesofcoatedfabricsareexposedinstandardconditionsoflightorweatheringaccordingto EN ISO105B02orENISO105B04conditions.Physicalpropertiesofc
25、oatedfabricsare evaluatedonexposedandnotexposedsamples. 4Apparatus ThetestingmachineshallconformtorequirementsofENISO105B02orENISO105B04. 5 Testspecimens 5.1Sampling Testspecimensshallbecutfromanareawithnofunctionalorvisibleflawsandshallbelocated withinthefulllengthofthecoatedfabricanditsusablewidth
26、asdefinedinENISO22861. 5.2Preparation Theminimumrequireddimensionsare:(145 75)mm,thicknessdependingonthecoatedfabric.EN122802:2002(E) 6 5.3Number Atleast3testspecimensshallbeusedforeachtestbeforeageingandatleastthreetest specimensafterageing.Incaseofdispute,theminimumnumberoftestspecimensshallbethat
27、 specifiedbythestandardrelevanttothephysicalpropertytested. Testsafterexposureshallbecarriedoutontheexposedareaonly.Exposedtestspecimensshall beconditionedaccordingtoENISO2231priortotestforatleast24hours. 6Test conditions Placethetestspecimensintheappropriateapparatus,andcarryouttheageingaccordingto
28、 ENISO105B02orENISO105B04specifications.Thetemperatureoftheblackpanelmaybe 45Cto60C.Theageingdurationisdefinedbytheparties. NOTE ExposuretolightcomposedprincipallyofU.V.raysisnotconsideredasanartificialweathering ageingbutUVexposurecanbefoundusefulforqualitycontrolpurposes. 7 Expressionofresults The
29、influenceofageingonthepropertiesofthecoatedfabricisdetermined: byavariationofthoseproperties; bycomparisonwithaspecifiedvalue. 8 Testreport Thetestreportshallincludethefollowingparticulars: a) areferencetothisEuropeanStandard; b) thedateoftest; c) theconditioningandtestingatmosphere; d) theidentific
30、ationofthecoatedfabric; e) theconditionsofexposureused,andparticularlythetemperatureoftheblackpanel; f) theexposureperiod; g) appearanceofthetestspecimensafterexposure; h) thenumberoftestspecimenstestedbeforeandafterexposure,ifdifferentfrom3; i) thepropertiesmeasuredandthevaluesbeforeandafterexposur
31、e,ortheirpercentage change; j) anydeviationfromtheprocedure,eitherfortheexposureorforthedeterminationofthe physicalproperties.EN122802:2002(E) 7 AnnexA (informative) Examplesofphysicalproperties Thedifferentphysicalpropertiestestedcanbeforexample: DeMattiaflexionresistance,accordingtoENISO7854; resi
32、stancetoshearflexingandrubbing,accordingtoENISO5981; resistancetolowtemperatures,accordingtoEN18762(loopimpacttest); burstingstrength,accordingtoprEN123322,withthe35,7mmdiameter; coatingadhesiontest,accordingtoISO2411,withrestrictedlength(140mminsteadof 200mm); abrasionresistance(Martindaleapparatus
33、),accordingtoENISO129472(38mmdiameter), oraccordingtoprENISO54702.BS EN 12280-2:2002 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 Europe and at the
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