BS EN 12875-2-2002 Mechanical dishwashing resistance of domestic utensils - Inspection of non-metallic articles《家用器皿耐机洗性 非金属器皿检验》.pdf

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1、BRITISH STANDARD BS EN 12875-2:2002 Part 2: Inspection of non-metallic articles The European Standard EN 12875-2:2001 has the status of a British Standard ICS 97.040.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12875-2:2002 This British Standard, having been prepare

2、d under the direction of the Consumer Products and Services Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 24 January 2002 BSI 24 January 2002 ISBN 0 580 38883 2 National foreword This British Standard is the official English

3、 language version of EN 12875-2:2001. The UK participation in its preparation was entrusted to Technical Committee CW/29, Tableware, 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 Standa

4、rds which implement international 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

5、 does not purport to include 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 respon

6、sible 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 titl

7、e page, pages 2 to 8, an inside back cover 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 EN128752 November2001 ICS67.250;97.040.

8、40;97.040.60 Englishversion MechanicaldishwashingresistanceofutensilsPart2: Inspectionofnonmetallicarticles Rsistancemcaniqueaulavevaisselledesustensiles Partie2:Inspectiondesarticlesnonmtalliques SplmaschinenfestigkeitvonGegenstndenTeil2: InspektionvonnichtmetallischenGegenstnden ThisEuropeanStanda

9、rdwasapprovedbyCENon13October2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplic

10、ationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersare

11、thenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG Manageme

12、ntCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN128752:2001EEN128752:2001(E) 2 Contents page Foreword3 Introduction .4 1 Scope 4 2 Normativereferences 4 3 Principle4 4 Inspectors.4 5 Apparatus .5 6 Samples

13、5 7 Procedure .5 8 Testreport . .7 9 Marking .7 Bibliography 8EN128752:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC194“Utensilsincontactwithfood“, thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofa

14、nidenticaltextor byendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmar

15、k,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.EN128752:2001(E) 4 Introduction ThisEuropeanStandardspecifiestheconditionsforvisualinspectionofnonmetallictablewareinconnectionwith thestandardizeddishwashingres

16、istancetestsincludingtheexpressionofresults.Otherpartsofthisstandard alreadypublishedorinpreparationare: Part1:Referencetestmethod Part3:Inspectionofmetallicarticles Part4:Rapidtestfordomesticceramicarticles Part5:Rapidtestforceramiccateringarticles Themarkingprocedureinthisdraftisonlyfornonmetallic

17、tableware. NOTEThemarkingbasedonthesetestresultsisprimarilyintendedasconsumerinformation.Intheopinionofconsumers otherfeaturesofequivalentimportanceexistwhicharenotalwayscompatiblewithhighdishwashingresistancerequirement. Thereforeitdoesnotseemfeasibletofixminimumrequirementsforthedishwashingresista

18、nceofnonmetallictableware. 1Scope ThisEuropeanStandardspecifiestheconditionsforthevisualinspectionofnonmetallictablewareincontactwith foodstuffsaftertestingitsdishwashingresistanceaccordingtotheproceduresdescribedintherelevantpartsofthe EN12875seriesforarticlesfordomestic,industrialandcateringuse. 2

19、 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothi

20、sEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ENV128751:1998, MechanicaldishwashingresistanceofdomesticutensilsPart1:Referencetestmethod. 3Principle Thesurfaceofatleastthreesampleswhichhave

21、beentestedisvisuallyinspectedunderdefinedconditionsin comparisonwithanunusedsamplebytwoinspectors.Dependingonthetypeofarticle,thedifferencesinthe surfaceofthetestedsamplesfromthesurfaceoftheunusedsamplearerecorded. 4Inspectors Atleasttwoinspectorsarerequiredwhoarepreferablyfamiliarwiththeinspectionp

22、roceduredescribedinthis document.Eachinspectorshallbeabletoseethesurfaceofthespecimensclearlywiththenakedeye(orwithaEN128752:2001(E) 5 habitualvisionaid)andshallhavenormalcolourvision. NOTE SuitablemethodsforassessingcolourvisionaretheHRRPseudoisochromaticPlatesortheIshiharaTestfor ColourBlindness1.

23、 5Apparatus 5.1Linencloth forwipingdecoratedware 5.2Inspectionsite Aninspectionsite,which: isprotectedfromexternallight,andilluminatedverticallybyadiffusedaylight(3500to4500)Klampyielding (1000to1500)lxnearthespecimens; showsgreycolourandadullsurfacefinishonallsurfacesexposedtotheartificiallight; ha

24、ssufficienttableareatoaccommodateallofthespecimensofonetypesimultaneously. 6Samples Foreacharticleatleastthreeunusedtestspecimensofidenticalshape,sizeandsurfacefinishshallbetested,and afourthtestspecimenshallberetainedforreference. 7Procedure 7.1General Beforeinspection,easilyremovabledepositsshallb

25、eeliminatedbywipingwithaclothand/oraoneminutedipina 10%(m/m)aqueoussolutionofcitricacidatabout50C followedbyrinsinganddrying . 7.2Inspection Inspectioniscarriedoutfromadistanceof(3010)cm,whiletheviewingangleischanged. EachinspectorindependentlyrecordsvisiblechangesinthecharacteristicslistedinTable1,

26、usingthe classificationnumberslistedinTable2. Foreachinspector,anaverageiscalculatedfromthefiguresgiveninthethreesamplesforeachofthecriteria listedinTable1.Theaveragevaluesareroundedtoonedecimal. Forsamplesconsistingofmorethanonematerial,e.g.teapotswithplastichandles,reporttheresultseparatelyfor eac

27、hmaterial. ThemaximumnumberoftestcyclesaccordingtoENV128751,orothertestmethod,forwhichnoneofthecriteria fromTable1receivesanaveragevalueabove1,0shallbethetestresult. IfoneoftheinspectioncriteriafromTable1receivesanaveragevalueabove1,0thenthetestforthisarticleis finishedEN128752:2001(E) 6 Table1Inspe

28、ctioncriteria articleswithorwithout decoration colour 1) gloss clouding resistantdepositsand iridescentlayers 2) other aspects Ceramictableware + + + + 3)4)5) Glass,glassceramic ware + 6) + 4)5) Vitreousenamelled tableware + + 3)4)5) Plasticsarticles + + + 6) + 7)3) (+)=tobeinspected 1) Ifseveralcol

29、oursarepresentononearticletobeinspected,thecolourwiththegreatestchange shallbechosen. 2) Fortheeliminationofeasilyremovabledepositssee7.1. 3)e.g.crazing. 4) Theadherenceofdecorationsshallbetestedbyrepeatedwipingwithamoistlinenclothunder slightpressure. 5) Abrasionwhichiscausedbyfrictionduringthedish

30、washertreatmentshallbedisregarded. 6) Transparentarticlesonly. 7) Swelling,deformation,cracking,ordelamination. Table2Evaluationofinspectioncriteria Classification Rating 0 novisiblechange 1 firstdiscerniblechange 2 clearlyvisiblechangeEN128752:2001(E) 7 8 Testreport Thetestreportshallcontain: a)are

31、ferencetothisEuropeanStandard; b)theidentificationofthearticlestested(description),forexampletype,originanddesignationofthe sampleandmanufacturerorsupplier; c)theplaceanddateofsampling; d)thedateofreceiptanddateoftestingthesample; e)thetestmethodapplied,e.g.ENV128751; f)thenumberofinspectorsandtheir

32、names; g)themaximumnumberoftestcyclesafterwhichtheaveragevalueof1,0foreachinspectorwasnot exceeded; h)thecategoryofarticleaccordingtoTable1andaverageoffiguresofallinspectorsaccordingtoTable2. NOTE Anyunusualfeaturesnotedduringtheinspectionshouldalsobereported. 9Marking ThesymbolshowninFigure1maybeus

33、edformarkingarticlestestedinaccordancewithoneofthepartsofthe EN12875seriesandevaluatedaccordingtoclause7(Exampleshownfor500cycles). Figure1Symboltobeusedformarkingcontainingthenumberoftestcycles(500inthisexample) correspondingtothetestresult NOTE Thearticleand/orpackagingcanbemarkedbythesymbolusinga

34、nyconventionalmethod. Whenanarticleismadefromdifferentmaterialsthesymbolshallshowthenumberofcyclesforthematerialwith thelowesttestresult.EN128752:2001(E) 8 Bibliography 1ISHIHARA,S.:Testsforcolourblindness,KanaharaShuppauCo.Ltd.ToykoKyoto1971blankBS EN 12875-2:2002 BSI 389 Chiswick High Road London

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