1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 11858:1999 ICS 59.
2、080.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Textile floor coverings Determination of friability of attached foamsThis British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of
3、 the Standards Committee and comes into effect on 15 November 1999 BSI 11-1999 ISBN 0 580 35235 8 BS ISO 11858:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 11858:1999 and implements it as the UK national standard. The
4、 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 change, a
5、nd 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 Europea
6、n 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 necessa
7、ry 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 page, page
8、s ii and iii, a blank page, pages 1 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.A Referencenumbe r ISO11858:1999 (E) INTERNATIONAL STANDARD ISO 11858 Firstedition 19991015 TextilefloorcoveringsDetermination offriabilityofatta
9、chedfoams RevtementsdesolstextilesDterminationdelafriabilitdes souscouchesenmousseISO11858:1999(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. InternationalStandard11858waspreparedbyTechnicalCommitteeISO/TC38, Textiles,subcommitteeSC12 Textile floorcoverings. InternationalStandardISO11858waspreparedbyTechnica lCommitteeISO/TC38,Textiles,SubcommitteeSC12 Textilefloorcoverings. AnnexAformsanorm
13、ativepartofthisInternationalStandard.ISO11858:1999(E) iii Introduction Textilefloorcoveringscanberolledwiththeusesurfacetowardsthecentre.Asaresult,anyattache d foam backing willbeontheoutsideoftherollandcanb esubjectedtovariousabrasiveactionspriortoandduringinstallation. Theseactionscanresultinthere
14、adycrumblingofanattachedfoambackingi f it is easily friable. Also, when textile floorcoveringsaredisplayedforsaleinawaterfallor similar mode, customers frequently use strong thumb action to applyfrictionalstresstoanattachedfoambacking,whichwillbeconsideredunsatisfactoryifitbreaksdown .Thus thereisan
15、eedforatesttoassessthefriabilityofattachedfoambackingsonthenew,unagedcarpet.INTERNATIONALSTANDARD ISO11858:1999(E) 1 TextilefloorcoveringsDeterminationoffriability ofattachedfoams 1Scope 1.1 ThisInternationalStandardspecifiesaprocedureforassessingthefriabilityoffoambackingsattache dto textilefloorco
16、verings. 1.2 ThisInternationalStandardisnotsuitableforevaluatingthepropensityofafoambackingt obreakdownafter installation,sincesuchbreakdownisinvariablyduetoacombinationofflexingfatigueandoxidation,factorswhich arenotcoveredinthisInternationalStandard. 2Normativereferences The following normativedoc
17、umentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof ,anyofthese publications do not apply. However, partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatethepossibilit
18、yofapplyingthemostrecenteditionsofth enormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO105A01:1994, TextilesTestsforcolourfastnessPartA01:Generalprinciplesofte
19、sting ISO105X12:1993, TextilesTestsforcolourfastnessPartX12:Colourfastnesstorubbing. ISO139:1973, TextilesStandardatmospheresforconditioningandtesting . ISO1957: 1) , MachinemadetextilefloorcoveringsSamplingandcuttingspecimensforphysicaltests. ISO2424:1992, TextilefloorcoveringsVocabulary. 3Termandd
20、efinition ForthepurposesofthisInternationalStandard,thefollowingtermanddefinitionappliesinadditiont orelevant definitionsinISO2424. 3.1 friability easeofbreakingdownorcrumblingunderanappliedstress 1) Tobepublished.(RevisionofISO1957:1986)ISO11858:1999(E) 2 4Principle Theattachedfoambackingofatextile
21、floorcoveringisrubbedwit ha rod having a hemispherical end covered with astandardcottonfabric.Thedegreeofbreakdownofthefoambackingisassessedbymeansofphotographic standards(seeannexA). 5Apparatusandmaterials 5.1Asuitabledeviceforrubbingthetestspecimen. 5.1.1 Apparatuscapableofmovingarubbingfingertoan
22、dfroinastraightline alonga10 0 mmtrackon thespecimen(asuitablepieceofequipmentisthatusedfortestingfastnesstowetanddryrubbinge.gin ISO105X12:1993). 5.1.2Rubbin gfinger,comprisingacylinderof(16 1)mmdiameterwithahemisphericalendthatrubsthe specimen;thedownwardforceexertedbythefingershallbe(9,0 0,1)N(se
23、eFigure1). 5.2 A sheet metal frame,suitableforholdingatestspecimenonthebaseoftheapparatus(seeFigure2).The frameshallbe(20 0 5) mmlongandhaveaUcrosssectionwithth e bottom of theU (50 3)m m wide (the width ofthetesterbase)andeachleg(2 5 2)mm . The (200 3 50) mm face oftheframeshallhaveanaperturecutini
24、t (180 5)mm 3(25 2)mminsize,inordertoexposeasufficientareaofthespecimenfortesting. 5.3Combed cottoncloth,bleachedandfreefromsizesandfinishes,inaplainweavewithapproximately (32 333)yarns/cm,cutinto(50 2)mmsquares(seeISO105X12:1993). 5.4Ligh tboxviewingcabinet,uniformgreyincolourandofsuitablesizetotak
25、ethetestedspecimenand photographicscalewithprovisionforilluminatingtestspecimenswithalowangleofillumination(10 1)to aminimumof600lx.(Asuitablepieceofequipmentisusedforviewingfastnessspecimensandisgivenin ISO105A01.) 5.5Photographicstandards, inaccordancewithannexA. 6Sampling 6.1 Samplingshallbeinacc
26、ordancewiththeprinciplesofISO1957,andeachlaboratory sampleshallbefull width 3(250 10)mminlength. 6.2 Inordertoevaluatepossiblesidetomiddlevariationsincuring,specimensshallbetakenfro m the centre and from within 200 mm ofeachsideofthesample.Twospecimens,onelengthwiseandonecrosswise,shallbetaken frome
27、achofthethreelocations. 7Atmosphereforconditioningandtesting Testspecimensshallbeconditionedfor2 4hinthestandardatmospherespecifiedinISO139priortotesting. Testingshallbecarriedoutinthesamestandardatmosphere. 8Procedure 8.1 Placeaspecimen,foamsideup,onthebaseandholditinplacebymeansofthemetalframe(5.2
28、)(Figure2). 8.2 Placea newdrysquareofwhitecottontestcloth(5.3)overthehemisphericalendoftherubbingfinger(5.1.2) in such an orientation thatitisata45biastothedirectionoftraveloftherubbingfingerduringthetest.Fastenthe clothinplacewithacircularspringclip. ISO11858:1999(E) 3 Dimensionsinmillimetres Figur
29、e1Deviceforrubbingthetestspecimen Dimensionsinmillimetres Figure2Frameforholdingtestspecimen 8.3 Positiontherubbingfingersothatitisattheextremityofitsstrokean dloweritontothetestspecimen. Operatetheapparatus(5.1.1)fortwocompletestrokes,i.e.twocompletebackwardandforwardmovements. 8.4 Place eachtestsp
30、ecimenonahorizontalsurfaceintheviewingcabinet(5.4),orientatedsothatthelengthof thespecimenliesinthedirectionofviewingoftheobserver.Assignaratingbyreferencet othephotographic standards(5.5,seeannexA).Wholenumberratingsshallbemadebytw ooperatorsactingindependentlyandthe resultsthenaveraged.ISO11858:19
31、99(E) 4 9Precisionofresults No precision data forthismethodoftestarecurrentlyavailable.Interlaboratorytrialdataarebeingobtainedanditis intendedthataprecisionstatementbasedonthesewillbeaddedatthefirstrevision. 10TestReport Thetestreportshallincludethefollowinginformation: a) referencetothisInternatio
32、nalStandard,i.e.ISO11858; b) identificationofthesample; c) individualratingsforthesixtestspecimens,eachbeingidentifiedas toitslocation(sideorcentre)andasto direction; d) thedateofthetest. ISO11858:1999(E) 5 AnnexA (normative) PhotographicstandardsBS ISO 11858:1999 BSI 389 Chiswick High Road London W
33、4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is
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