1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 3262-15:2000 Th
2、e European Standard EN ISO 3262-15:2000 has the status of a British Standard ICS 87.060.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Extenders for paints Specifications and methods of test Part 15: Vitreous silicaThis British Standard, having been prepared under the dire
3、ction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36101 2 BS EN ISO 3262-15:2000 Amendments issued since publication Amd. No. Date Comments National foreword This Brit
4、ish Standard is the official English language version of EN ISO 3262-15:2000. It is identical with ISO 3262-15:2000. Together with the other parts of BS EN ISO 3262, it will supersede BS 1795:1976 which is declared obsolescent. The UK participation in its preparation was entrusted to Technical Commi
5、ttee STI/1, Pigments and extenders, 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, and keep the UK interests informed; monitor related international and E
6、uropean 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 Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to internat
7、ional publications with their corresponding European publications. The British Standards 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 us
8、ing the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard 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 immunit
9、y from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to iv, pages 1 to 4, the annex ZA page and a back cover. The BSI copyright notice displayed in this document indicate
10、s when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO326215 May2000 ICS87.060.10 Englishversion ExtendersforpaintsSpecificationsandmethodsoftestPart 15:Vitreoussilica(ISO326215:2000) MatiresdechargepourpeinturesSpcificationset mthodesdessaiPartie15:Silicevitreuse(I
11、SO3262 15:2000) FllstoffefrBeschichtungsstoffeAnforderungenund PrfverfahrenTeil15:Kieselglasmehl(ISO326215:2000) ThisEuropeanStandardwasapprovedbyCENon10March2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanat
12、ionalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation underth
13、eresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Swe
14、den,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO326215:2000EForeword
15、 ThetextoftheInternationalStandardISO326215:2000hasbeenpreparedbyTechnicalCommittee ISO/TC35“Paintsan dvarnishes“incollaborationwit hTechnicalCommitteeCEN/TC298“Pigments and extenders“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationo
16、fanidentical textorbyendorsement,atthelatestbyNovember2000,andconflictingnationalstandardsshallbe withdrawnatthelatestbyNovember2000. Accordingt o theCEN/CENELECInternalRegulations,thenational standardsorganizationso fthefollowing countriesareboundtoimplemen tthisEuropeanStandard:Austria,Belgium,Cze
17、c hRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice ThetextoftheInternationalStandardISO326215:2000wasapprovedbyCENasaEuropeanStandard withoutanymodification. EN ISO 3262-15:20
18、00INTERNATIONAL STANDARD ISO 3262-15 Firstedition 2000-05-15 Referencenumber ISO3262-15:2000(E) ExtendersforpaintsSpecificationsand methodsoftest Part15: Vitreoussilica Matires de charge pour peintures Spcifications et mthodes dessai Partie 15: Silice vitreuse EN ISO 3262-15:2000ii EN ISO 3262-15:20
19、00 iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablis
20、hedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommis- sion(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedi
21、naccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibilitythatsomeoftheele
22、mentsofthispartofISO3262maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO3262-15waspreparedbyTechnicalCommitteeISO/TC35, Paints and varnishes, SubcommitteeSC2, Pigments and extenders. Togetherwiththeotherparts(seebelow),thispa
23、rtofISO3262cancelsandreplacesISO3262:1975,whichhas beentechnicallyrevised.Part1comprisesthedefinitionofthetermextenderandanumberoftestmethodsthatare applicabletomostextenders,whilstpart2andthefollowingpartsspecifyrequirementsand,whereappropriate,par- ticulartestmethodsforindividualextenders. ISO3262
24、consistsofthefollowingparts,underthegeneraltitle Extenders for paints Specifications and methods of test: Part 1: Introduction and general test methods Part 2: Barytes (natural barium sulfate) Part 3: Blanc fixe Part 4: Whiting Part 5: Natural crystalline calcium carbonate Part 6: Precipitated calci
25、um carbonate Part 7: Dolomite Part 8: Natural clay Part 9: Calcined clay Part 10: Natural talc/chlorite in lamellar form Part 11: Natural talc, in lamellar form, containing carbonates Part 12: Muscovite-type mica Part 13: Natural quartz (ground) Part 14: Cristobalite Part 15: Vitreous silica Part 16
26、: Aluminium hydroxides Part 17: Precipitated calcium silicate Part 18: Precipitated sodium aluminium silicate EN ISO 3262-15:2000iv Part 19: Precipitated silica Part 20: Fumed silica Part 21: Silica sand (unground natural quartz) Part 22: Flux-calcined kieselguhr EN ISO 3262-15:2000 1 Extendersforpa
27、intsSpecificationsandmethodsoftest Part15: Vitreoussilica 1Scope ThispartofISO3262specifiesrequirementsandcorrespondingmethodsoftestforvitreoussilica. 2Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO3262.Fordate
28、dreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublicationsdo notapply.However,partiestoagreementsbasedonthispartofISO3262areencouragedtoinvestigatethepossi- bilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundatedreferences,the latesteditionofthenormativedoc
29、umentreferredtoapplies.MembersofISOandIECmaintainregistersofcurrently validInternationalStandards. ISO787-2:1981, General methods of test for pigments and extenders Part 2: Determination of matter volatile at 105 C. ISO787-3: 1) , General methods of test for pigments and extenders Part 3: Determinat
30、ion of matter soluble in water Hot extraction method. ISO787-5:1980, General methods of test for pigments and extenders Part 5: Determination of oil absorption value. ISO787-7:1981, General methods of test for pigments and extenders Part 7: Determination of residue on sieve Water method Manual proce
31、dure. ISO787-9:1981, General methods of test for pigments and extenders Part 9: Determination of pH value of an aqueous suspension. ISO787-14:1973, General methods of test for pigments Part 14: Determination of resistivity of aqueous extract. ISO3262-1:1997, Extenders for paints Specifications and m
32、ethods of test Part 1: Introduction and general test methods. ISO3696:1987, Water for analytical laboratory use Specification and test methods. ISO15528: 2) , Paints, varnishes and raw materials for paints and varnishes Sampling. 1)Tobepublished.(RevisionofISO787-3:1979) 2)Tobepublished.(RevisionofI
33、SO842:1984andISO1512:1991) EN ISO 3262-15:20002 3Termanddefinition ForthepurposesofthispartofISO3262,thefollowingtermanddefinitionapplies. 3.1 vitreoussilica anon-crystallinemodificationofsilica Foruseasanextenderitissuppliedgroundtoapowder. Therearetwodifferentgradesofvitreoussilicainuse,thegradede
34、pendingontherawmaterialsusedinitsmanu- facture: GradeA(quartzglass):Atransparentformofvitreoussilicathatisusuallymadefrommoltenrockcrystal. GradeB(fusedsilica):Anopaqueformofvitreoussilicathatismadefrommoltensilicasand.Theopacityofthe productisduetoverysmallgasbubblesincorporatedinit. 4Requirementsa
35、ndtestmethods ForvitreoussilicacomplyingwiththispartofISO3262,theessentialrequirementsarespecifiedinTable1andthe conditionalrequirementsarelistedinTable2. Table1Essentialrequirements Characteristic Unit Requirement Testmethod GradeA (quartzglass) GradeB (fusedsilica) Silicacontent,min. 99,5 99 Seecl
36、ause6 Quartzcontent,max. 0,5 1,0 X-raydiffraction Cristobalitecontent,max. Mattervolatileat ,max. 0,2 ISO787-2 a Lossonignition,max. 0,1 0,5 b 0,2 0,5 b ISO3262-1 Mattersolubleinwater,max. 0,1 ISO787-3 pHvalueofaqueoussuspension 5to7 5to9 b ISO787-9 a Anothermethodmaybeagreedbetweentheinterestedpart
37、iesprovideditgivesthesameresults. b Thesevaluestakeintoaccounttheeffectontheresultiftheproducthasundergonesurfacetreatment. %(m=m) %(m=m) 105 C%(m=m) %(m=m) %(m=m) EN ISO 3262-15:2000 3 5Sampling Takearepresentativesampleoftheproducttobetested,asdescribedinISO15528. 6Determinationofsilicacontent 6.1
38、Reagents Duringtheanalysis,useonlyreagentsofrecognizedanalyticalgradeandonlywaterofatleastgrade3purityasde- finedinISO3696. 6.1.1Sulfuricacid,diluted . Add1partbyvolumeofconcentratedsulfuricacid,approximately , ,slowlyto1partby volumeofwater. 6.1.2Hydrofluoricacid,approximately , . 6.2Apparatus Useo
39、rdinarylaboratoryapparatusandglassware,togetherwiththefollowing: 6.2.1Platinumdish. 6.2.2Mufflefurnace. 6.3Procedure Weigh,tothenearest ,approximately ofthetestsample(clause5),previouslydriedat inaccord- ancewithISO787-2,intothetaredplatinumdish(6.2.1),igniteinthemufflefurnace(6.2.2)at to constantma
40、ss( )andallowtocoolinadesiccatorcontainingphosphoruspentoxide. Addapproximately ofsulfuricacid(6.1.1).Heattheplatinumdishgentlyuntilfumingceasesandthencontinue theheatingat for inthemufflefurnace.Removefromthefurnace,allowtocoolinadesiccatorand weightothenearest ( ). Addtotheresidueintheplatinumdish
41、 ofhydrofluoricacid(6.1.2)and ofsulfuricacid(6.1.1)andevapo- ratetoasyrup,takingcaretoavoidlossbyspitting.Coolthedishandwashthesidesdownwithsmallquantitiesof Table2Conditionalrequirements Characteristic Unit Requirement Testmethod Residueon sieve Tobeagreedbetweenthe interestedparties ISO787-7 Parti
42、clesizedistribution(instrumental method) Tobeagreedbetweentheinterestedparties a Colour Tobeagreedbetweenthe interestedparties ISO3262-1 Lightness Tobeagreedbetweenthe interestedparties b Resistivityofaqueousextract ISO787-14 Oilabsorptionvalue ISO787-5 a Ageneraldescriptionofasedimentationmethodusi
43、ngX-rayabsorptionisgiveninEN725-5:1996, Advanced technical ceramics Methods of test for ceramic powders Part 5: Determination of the particle size distribution. b Testmethodinpreparation. 45m%(m=m) %(m=m) m g/100g 1+1 96%(m=m) 1,84g/ml 40%(m=m) 1,13g/ml 1mg 2g 105 C (1000 25) C m 1 1ml 900 C 15min 0
44、,1mgm 2 15ml 1ml EN ISO 3262-15:20004 water.Thenaddafurther ofhydrofluoricacidandevaporatetodryness.Heattheresidueonahot-plateuntil whitefumesarenolongerevolved,thenigniteinthemufflefurnaceat for .Removethedishfromthe furnace,coolinthedesiccatorandweightothenearest ( ). 6.4Expressionofresults Calcul
45、atethesilicacontent ,expressedasapercentagebymass,usingtheequation: where isthemass,ingrams,oftheignitedresidue; isthemass,ingrams,aftertreatmentwithsulfuricacidandigniting; isthemass,ingrams,aftertreatmentwithhydrofluoricacidandigniting. 7Testreport Thetestreportshallcontainatleastthefollowinginfor
46、mation: a)alldetailsnecessarytoidentifytheproducttested; b)areferencetothispartofISO3262(ISO3262-15); c)theresultsofthetestsandwhetherornottheproductcomplieswiththerelevantspecificationlimits; d)anydeviationfromthetestmethodsspecified; e)thedatesofthetests. 10ml 900 C 15min 0,1mgm 3 w(SiO 2 ) w(SiO
47、2 )= m 2 m 3 m 1 100 m 1 m 2 m 3 EN ISO 3262-15:2000AnnexZA (normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplac
48、esinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublications applytothisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundated referencesthelatesteditionofthepublicationreferredtoapplies. Publication Year Title EN Year ISO7872
