1、BRITISH STANDARD BS EN 543:2003 Adhesives Determination of apparent density of powder and granule adhesives The European Standard EN 543:2003 has the status of a British Standard ICS 83.180 BS EN 543:2003 This British Standard was published under the authority of the Standards Policy and Strategy Co
2、mmittee on 9 May 2003 BSI 9 May 2003 ISBN 0 580 41795 6 National foreword This British Standard is the official English language version of EN 543:2003. It supersedes BS EN 543:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/52, Adhesives, wh
3、ich 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 which implement international or European publications referred to in this document may be found in the BSI Catalogue under the sec
4、tion entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.
5、Compliance with a British Standard does not of itself confer immunity from legal obligations. aid 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 re
6、lated 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 page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the doc
7、ument was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN543 April2003 ICS83.180 SupersedesEN543:1994 Englishversion AdhesivesDeterminationofapparentdensityofpowderand granuleadhesives AdhsifsDterminationdelamassevolumiqueappar
8、ente desadhsifsenpoudreetengranules KlebstoffeBestimmungderSchttdichtevonPulverund GranulatKlebstoffen ThisEuropeanStandardwasapprovedbyCENon20February2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalst
9、andardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsi
10、bilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovak
11、ia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN543:2003EEN
12、543:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Principle4 5 Safety 4 6 Apparatus .4 7 Sampling.5 8 Procedure .5 9 Expressionofresults . .6 10 Testreport 6EN543:2003(E) 3 Foreword Thisdocument(EN543:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC193
13、“Adhesives“,the secretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyOctober2003,andconflictingnationalstandardsshallbewithdrawnatthelatest byOctober2003. ThisdocumentsupersedesEN543:1994. Acco
14、rdingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sw
15、eden,SwitzerlandandtheUnitedKingdom.EN543:2003(E) 4 1 Scope ThisEuropeanStandarddefinesamethodforthedeterminationofapparentdensityofpowderandgranule adhesives. Themethodisapplicabletoallpowderandgranuleadhesives. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisi
16、onsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe
17、latesteditionofthe publicationreferredtoapplies(includingamendments). EN923:1998, AdhesivesTermsanddefinitions EN1066, Adhesives Sampling. EN1067, Adhesives Examinationandpreparationofsamplesfortesting. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN923:199
18、8apply. 4 Principle Themethodisbasedonthedeterminationofthemassofaknownvolumeofpowderorgranuleadhesiveandis performedatatemperatureof(232)Cand(505)%relativehumidity. 5 Safety Personsusingthisstandardshallbefamiliarwithnormallaboratorypractice. Thisstandarddoesnotpurporttoaddressallsafetyproblems,ifa
19、ny,associatedwithitsuse. Itistheresponsibilityoftheusertoestablishsafetyandhealthpracticesandtoensurecompliancewithany Europeanornationalregulatoryconditions. 6 Apparatus 6.1General Usuallaboratoryapparatusincludingthefollowing: 6.2Balance,accurateto0,1g. 6.3Cylindricalcontainer,of(1000,5)cm 3 capac
20、ity,andof(402)mminternaldiameter. 6.4Funnel,asshowninFigure1. 6.5 SpatulaEN543:2003(E) 5 Dimensionsinmillimetres Figure1Funnelandcollectioncylinder 7 Sampling TakearepresentativesampleoftheadhesivetobetestedinaccordancewithEN1066andexamineandprepareit fortestingasdescribedinEN1067 8 Procedure 8.1Det
21、erminethemass( m 1 )oftheemptycontainer(6.3). 8.2Conditionthesampleforatleast12hat(232)Cand(505)%relativehumidity. 8.3Pour(1155)cm 3 ofsampleintothefunnel(6.4)positionedcoaxiallyoverthecylindricalcontainerat(114+ 38)mmheightfromthetop(seeFigure1),takingcarethatthelowerorificeisclosedbyasuitableclosu
22、re. NOTE Anyrigidsheetlargerthantheorificeissuitable.EN543:2003(E) 6 8.4Opentheorificeandallowthematerialtoflowintothecylindricalcontainer.Iftheflowstopsorbecomes inconvenientlyslow,itcanbespeededupbygentlyproddingthematerialinthefunnelwithawire. Avoidcompressingthematerialorshakingthecontainer. 8.5
23、Whenthecontainerisfull,removeexcessproductbylevellingoffattheupperedgewithaflatspatula. Avoidcompressingthematerialorshakingthecontainer. 8.6Determinethemass( m 2 )ofthefullcollectioncontainer. 9 Expressionofresults Theapparentdensity(ingrampercubiccentimetre)isgivenbythefollowingequation: r = where
24、 r istheapparentdensityingrampercubiccentimetreoftheadhesive; m 2 isthemass(ingram)ofthefullcontainer; m 1 isthemass(ingram)oftheemptycontainer. Thereproducibilityandtherepeatabilityofthemeasureisstillunknown. 10 Testreport Thetestreportshallincludethefollowinginformation: a) referencetothisEuropean
25、Standard; b) typeanddesignationoftheadhesivetested; c) testconditions; d) results,numberofdeterminationsperformed; e) anypeculiarityobservedduringthetestandanydeviationfromthetestprocedure; f) dateofthetest blankBS EN 543:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institutio
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