EN 984-2001 en Textile floor coverings - Determination of the mass per unit area of the use surface of needled floor coverings《铺地织物 针刺铺地织物使用表面单位面积质量的测定》.pdf

1、BRITISH STANDARD BS EN 984:2001 Textile floor coverings Determination of the mass per unit area of the use surface of needled floor coverings The European Standard EN 984:2001 has the status of a British Standard ICS 59.080.60; 91.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGH

2、T LAWBS EN 984:2001 This British Standard, having been prepared 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 2 July 2002 BSI 2 July 2002 ISBN 0 580 39985 0 National forewor

3、d This British Standard is the official English language version of EN 984:2001. It supersedes BS EN 984:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/3, Textile floor coverings, which has the responsibility to: A list of organizations repr

4、esented on this committee can be obtained on request to its secretary. Additional information The United Kingdom voted against the acceptance of this European Standard when it was circulated for UAP review. The principle objection is that the procedure described in clause 7 for determining the mass

5、per unit area does not clearly indicate at which point the shearing of the test specimen should stop. The United Kingdom also drew attention to the fact that the results of the test described in clause 7 are usually quite variable. This would have been at least partially overcome with the use of a b

6、etter method of sampling the specimens to be tested, such as that described in clause 5 of ISO 8543:1998. PRI/3 would welcome comments and proposals for solutions to the remaining problems commonly experienced with the test method referred to in clause 7, for consideration at the next review of this

7、 standard. 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 section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic C

8、atalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users of this publication are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid

9、 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 related international and European developments and promulgate them in the UK. Summary of pages Thi

10、s document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 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 EUROPI

11、SCHENORM EN984 December2001 ICS59.080.60;91.180 SupersedesEN984:1995 Englishversion TextilefloorcoveringsDeterminationofthemassperunitarea oftheusesurfaceofneedledfloorcoverings RevtementsdesoltextilesDterminationdelamasse surfaciqueutiledelacouchedusagedesrevtementsde solaiguillets TextileBodenbelg

12、eBestimmungdes NutzschichtgewichtsgenadelterBodenbelge ThisEuropeanStandardwasapprovedbyCENon16November2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibli

13、ographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedt

14、otheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDA

15、RDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN984:2001EEN984:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalComm

16、itteeCEN/TC134“Resilientandtextilefloor coverings“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2002,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2002. ThisEuro

17、peanStandardsupersedesEN984:1995. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Por

18、tugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.EN984:2001(E) 3 1Scope ThisEuropeanStandardspecifiesamethodforthedeterminationofthemassperunitareaoftheusesurfaceof needledfloorcoveringsinwhichtheusesurfacecanbedistinguishedvisuallyfromthesubstrate. 2 Normativereferences ThisEuropeanStandardincorp

19、oratesbydatedorundatedreferences,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyam

20、endmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN20139 Textiles Standardatmospheresforconditioningandtesting. ISO1957 Machinemadetextilefloorcovering Samplingandcuttingspecimensforphysicaltests. 3Principle Themassofadefinedareaofflatnee

21、dledfloorcoveringisdeterminedbeforeandaftershearingofftheuse surfacewithabandknife. 4Apparatus 4.1Rule, graduatedinmillimetres. 4.2Device tocutouttestspecimensofminimumdimensions(200x200)mm. NOTE Suitabledevicesareadiecutterandpress,handorelectricknifeorscissors. 4.3 Bandknifemachine enablingtheuses

22、urfacetobeshornofflevelwiththesubstrate. 4.4Balance, accurateto0,01g. 5 Samplingandpreparationoftestspecimens Foreachsample,cutatleasteightsquarespecimensofminimumdimensions(200x200)mmsothattheirsides arerespectivelyparalleltoandperpendiculartothedirectionofmanufactureoftheneedledfloorcoveringfollow

23、ing theprocedureinISO1957. 6Conditioning ConditionthetestspecimensinthestandardatmospherefortestingtextilesdefinedinEN20139foraminimumof 24h.EN984:2001(E) 4 7Procedure Shearonetestspecimenprogressivelyuntilthesubstrateisvisibleanduseitasaguideforshearingtheother specimens. Weightheremainingspecimens

24、todeterminethemass, m 1 , tothenearest0,01g. Measurethedimensionsofeachtestspecimeninfourplacesforeachsidetodeterminethemtothenearest millimetre. Usethebandknifetosheartheusesurfacefromeachoftheremainingseventestspecimens.Shearprogressively untilthesurfaceoftheshorntestspecimenshowsapproximately50%o

25、fthesubstrate(coatinglayerorresin) usingtheoriginaltestspecimenproducedasaguide. Selectthefivetestspecimensthatappeartomeetthe50%substrate/50%usesurfacefibrecriteriaand reconditiontheminthestandardatmospheretoconstantmass 1) . Whentheusesurfacelayerofapileneedledfloorcoveringconsistsoriginallyofseve

26、rallayersofdifferentcolours thatduringmanufactureareneedledsoastoformavisuallyuniformlayer,thislayershallbetreatedasasingle layerforthedeterminationofthemassoftheusesurface.Theendpointforshearingshallbeaclearlyvisible differentlayerformingeithertheprimaryorthesecondarybacking.Theprimarybackingmaybea

27、nonwovenora wovenscrimandthesecondarybackingmaybebitumenback,foambacketc. Weighthefiveshorntestspecimenstodeterminetheirmass, m 2 , tothenearest0,01g. Ifthecoefficientofvariationbetweenthefivespecimensthatmostcloselyrepresentthespecimenproducedasa guideismorethan7%,allsevenspecimensshallbeusedtocalc

28、ulatethemassoftheusesurface. 8 Calculationandexpressionofresults Calculatethearea, S, ofeachtestspecimenandexpressinmm 2 . Calculatethemassoftheuselayerforeachtestspecimenusingthefollowingexpression: massofuselayer= m 1 m 2 Calculatethemassperunitareaoftheuselayerforeachtestspecimenusingthefollowing

29、expression: Usesurfacemass/unitarea 2 6 2 1 m / g 10 S m m Calculatethemeanandcoefficientofvariationoftheresults. 9 TestReport Thetestreportshallcontainthefollowinginformation: a) areferencetothisstandard,i.e.EN984; b) acompleteidentificationoftheproducttested,includingtype,source,colourandmanufactu

30、rersreference numbers; 1) Massobtainedwhensuccessiveweighingscarriedouteveryhourduringaperiodof3hdonotindicateavariationinmass ofmorethan1%.EN984:2001(E) 5 c) previoushistoryofthesample; d) themeanvalueandcoefficientofvariationoftheusesurfacemass/unitarea; e) anydeviationfromthisstandardwhichmayhave

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