1、European Standard EN ISO 3262-20 : 2000 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 298 Pigments and extenders (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss
2、Pigmente und Fllstoffe(Pigments and Extenders Standards Committee), Technical Committee Prfverfahren und Kennwerte frFllstoffe.The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are asfollows:ISO Standard DIN StandardISO 648 DIN 12690ISO 787-2 DIN EN ISO
3、 787-2ISO 787-9 DIN EN ISO 787-9ISO 787-11 DIN EN ISO 787-11ISO 787-18 DIN EN ISO 787-18ISO 1042 DIN EN ISO 1042ISO 3262-1 DIN EN ISO 3262-1ISO 3696 DIN ISO 3696ISO 3819 DIN 12331ISO 15528 DIN EN 21512ICS 87.060.10Fllstoffe fr Beschichtungsstoffe Anforderungen und Prfverfahren Teil 20: Pyrogenes Sil
4、iciumdioxid(ISO 3262-20 : 2000)Ref. No. DIN EN ISO 3262-20 : 2000-10English price group 11 Sales No. 111103.01DEUTSCHE NORM October 2000EN ISO 3262-20Continued overleaf.EN comprises 15 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung
5、e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Extenders for paints Specifications and methods of testPart 20: Fumed silica(ISO 3262-20 : 2000)English version of DIN EN ISO 3262-20National Annex NAStandards referred to(and no
6、t included in Normative references)DIN 12331 Beakers for laboratory useDIN 12690 Classes A and B one-mark bulb pipettes for laboratory useDIN EN 21512 Paints and varnishes Sampling of products in liquid or paste form (ISO 1512 : 1991)DIN EN ISO 787-2 General methods of test for pigments and extender
7、s Part 2: Determination of mattervolatile at 105 C (ISO 787-2 : 1981)DIN EN ISO 787-9 General methods of test for pigments and extenders Part 9: Determination of pH valueof an aqueous suspension (ISO 787-9 : 1981)DIN EN ISO 787-11 General methods of test for pigments and extenders Part 11: Determina
8、tion of tampedvolume and apparent density after tamping (ISO 787-11 : 1981)DIN EN ISO 787-18 General methods of test for pigments and extenders Part 18: Determination of oversizeusing a mechanical flushing procedure (ISO 787-18 : 1983)DIN EN ISO 1042 Laboratory glassware One-mark volumetric flasks (
9、ISO 1042 : 1998)DIN EN ISO 3262-1 Extenders for paints Specifications and methods of test Part 1: Introduction andgeneral test methods (ISO 3262-1 : 1997)Page 2DIN EN ISO 3262-20 : 2000-10English versionICS 87.060.10Central Secretariat: rue de Stassart 36, B-1050 BrusselsEuropean Committee for Stand
10、ardizationComit Europen de NormalisationEuropisches Komitee fr NormungExtenders for paints Specifications andmethods of testPart 20: Fumed silica(ISO 3262-20 : 2000) 2000. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 3262-20 :
11、 2000 EMatires de charge pour peintures Spcifications et mthodes dessai Partie 20: Silice pyrogne(ISO 3262-20 : 2000)Fllstoffe fr Beschichtungsstoffe Anforderungen und Prfverfahren Teil 20: Pyrogenes Siliciumdioxid(ISO 3262-20 : 2000)This European Standard was approved by CEN on 2000-04-15.CEN membe
12、rs are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to
13、 the Central Secretariat or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Central Secretariat has thesame status
14、as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom.April 2000EN ISO 3262-20P
15、age 2EN ISO 3262-20 : 2000ForewordInternational StandardISO 3262-20 : 2000 Extenders for paints Specifications and methods of test Part 20: Fumed silica,which was prepared by ISO/TC 35 Paints and varnishes of the International Organization for Standardization,has been adopted by Technical Committee
16、CEN/TC 298 Pigments and extenders, the Secretariat of which isheld by DIN, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdrawn, by October 2000 at the
17、 latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Net
18、herlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 3262-20 : 2000 was approved by CEN as a European Standardwithout any modification.Page 3EN ISO 3262-20 : 2000Page 4EN ISO 3262-20 : 2000Page 5EN ISO 3262-20 : 2000Page 6EN ISO 3262-20 : 2000Page 7EN ISO 3262-20 : 2000Page 8EN ISO 3262-20 : 2000Page 9EN ISO 3262-20 : 2000Page 10EN ISO 3262-20 : 2000Page 11EN ISO 3262-20 : 2000Page 12EN ISO 3262-20 : 2000Page 13EN ISO 3262-20 : 2000Page 14EN ISO 3262-20 : 2000Page 15EN ISO 3262-20 : 2000