1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 1766:1999 ICS 59.0
2、80.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Textile floor coverings Determination of thickness of pile above the substrateThis British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the auth
3、ority of the Standards Committee and comes into effect on 15 Novewmber 1999 BSI 11-1999 ISBN 0 580 35234 X BS ISO 1766:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 1766:1999 and implements it as the UK national standa
4、rd. The UK participation in its preparation was entrusted to Technical Committee PRI/3, Textile floor coverings, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for ch
5、ange, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. 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
6、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 include all the
7、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. Summary of pages This document comprises a front cover, an inside front cover, the ISO title pag
8、e, page ii, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.A Referencenumbe r ISO1766:1999 (E) INTERNATIONAL STANDARD ISO 1766 Thirdedition 19991015 Textile floor coverings Determination of thicknessofpileabovethesubstra
9、te Revtementsdesoltextiles Dterminationdelpaisseurduvelour s audessusdusoubassementISO1766:1999(E) ii Foreword ISO (the InternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISO
10、technical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical
11、Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtoth ememberbodiesforvoting. PublicationasanInternationalStandardrequiresapp
12、rovalbyatleast75%ofthememberbodiescastingavote. International Standard ISO 1766 waspreparedbyTechnicalCommitteeISO/TC 38, Textiles,SubcommitteeSC12, Textilefloorcoverings . Thisthirdeditioncancelsandreplacesthesecondedition(ISO1766:1986)clauses1and2ofwhichcontain additionalinformation.INTERNATIONALS
13、TANDARD ISO1766:1999(E) 1 TextilefloorcoveringsDeterminationofthicknessofpileabove thesubstrate 1Scopeandfieldofapplication ThisInternationalStandardspecifiesamethodforthedeterminationofthethickness of pile above the substrate of a textile floor covering. It is applicable to alltextilefloorcoverings
14、withpilecapableofbeingshornfromthesubstrate, butnottotextilefloorcoveringsofvaryingpilethicknessordensity,unlesstheareascanbemeasuredseparately. ThemethodisusedinconjunctionwithISO8543,clause8. NOTE Difficultieshavebeenexperiencedwhenusingthismethodforbondedpiletextilefloorcoverings,textilefloor cov
15、erings with needledpil e and flockedpiletextilefloorcoverings,becauseoftheproble msofdeter miningasuitableendpoi nt whenshearingtheseproducts.Theresultsobtainedfromsuchproductsshouldthereforebetreatedwithcaution. 2Normativereferences The followingnormativedocumentscontainprovisionswhich,throughrefer
16、enceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisions of,anyofthese publications do not apply. However,partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionso fthenorm
17、ativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO139, TextilesStandardatmospheresforconditioningandtesting. ISO1765, Machinemadetextilefloorcoverings Determination
18、ofthickness . ISO1957, Machinemadetextilefloorcoverings Procedureforsamplingandcuttingspecimensforphysicaltests. ISO8543, Textilefloorcoverings Methodsfordeterminationofmass . 3Termsanddefinitions ForthepurposesofthisInternationalStandard,thefollowingtermanddefinitionapplies: 3.1 pilethickness Thedi
19、fferenceinthethicknessofthetextilefloorcoveringbeforeandafterthepileabovethesubstratehasbeen shornaway,measuredunderapressureof2,0kPa 1) 1) 1kPa=10 3 N/m 2ISO1766:1999(E) 2 4Principle Pile thickness is determined bymeasuringthethicknessofspecimensunderapressureof2, 0 kPabeforeandafter removalofthepi
20、leabovethesubstrate. 5Apparatus 5.1 Bandknifemachine or handheldclippers ,capableofshearingthepileclosetothesubstrate. NOTE1 Theparticularsoftheshearingmachineanddetailsofitsoperationshouldbeagreedbetweentheinterested parties. NOTE2 Theresultsfromthetwotypesofapparatusmaynotbeidentical. 5.2 Thicknes
21、stester ,capableofmeasuringthicknessunderapressureof2,0kPa(seeISO1765). 5.3 Straightedge,forexamplearuler,forbrushingthesurfaceofthespecimen. 6Atmosphereforconditioningandtesting Thespecimensshallbeconditionedandthetestconductedinoneofthestandardatmospheresfor conditioning and testingdefinedinISO139
22、. 7Specimens 7.1Sampling SelectthespecimensaccordingtothestandardprocedurespecifiedinISO1957. 7.2Numberandarea Cutfourspecimens,eachatleast20 0 3 200 mm,withthesidesparallelwith,andatrightanglesto,thedirectionof manufacture. 7.3Preparation Lightlybrushtheusesurface,firstagainst,thenwith,thedirection
23、ofpilelean,usingthestraightedge. Laythespecimensoutflat,singlyandwithusesurfaceupperrmost,intheappropriat estandardatmospherefor testingtextilesasdefinedinISO139,foraperiodofatleast24h. 8Procedure 8.1 Measure thethicknessofeachspecimenatfiveapproximatelyequallyspacedplaces(theuseoftemplatesis recomm
24、endedforlocatingmeasurements),eachatleast20mmfromtheedgesofthespecimen,underthe standardpressureof2,0kPa,usingthemethodspecifiedinISO1765. 8.2 Shearthepilefromthespecimen,asdescribedinISO8543,clause8. 8.3 Measurethethicknessofeachshornspecimenasspecifiedin8.1,avoidingdamagedareas. ISO1766:1999(E) 3
25、9Expressionofresult 9.1 For each specimen, calculate the mean thicknessunshornandthemeanthicknessshorn.Foreachspecimen, calculatethethicknessofpileasthedifferencebetweenthesefigures,inmillimetres,tothenearest0,1mm. 9.2 Calculatethemeanpilethicknessforallspecimens,inmillimetres,tothenearest0,1mm. 10T
26、estreport Thetestreportshallincludethefollowingparticulars: a) thattheprocedurewasconducedinaccordancewiththisInternationalStandard; b) theidentity(sourceandtype)ofthesamplefromwiththespecimensweretaken; c) thestandardatmosphereusedforconditioningandtesting; d) thethicknessunshorn,thethicknessshorn,
27、andthepilethickness,foreachspecimen,inmillimetrestothe nearest0,1mm; e) theaveragethicknessunshorn,theaveragethicknessshorn,andtheaveragepilethickness,inmillimetres, to thenearest0,1mm; f) thetypeofshearingapparatusused.BS ISO 1766:1999 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | |
28、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national bo
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