BS-EN-ISO-11998-2006.pdf
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1、BRITISH STANDARD BS EN ISO 11998:2006 Paints and varnishes Determination of wet-scrub resistance and cleanability of coatings The European Standard EN ISO 11998:2006 has the status of a British Standard ICS 87.040 ? BS EN ISO 11998:2006 This British Standard was published under the authority of the
2、Standards Policy and Strategy Committee on 31 August 2007 BSI 2007 ISBN 978 0 580 55354 7 National foreword This British Standard is the UK implementation of EN ISO 11998:2006. It supersedes BS EN ISO 11998:2001 which is withdrawn. The UK participation in its preparation was entrusted to Technical C
3、ommittee STI/10, Test methods for paints. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a B
4、ritish Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 11998 July 2006 ICS 87.040Supersedes EN ISO 11998:2001 English Version Paints and varnishes - Determination of wet-scrub r
5、esistance and cleanability of coatings (ISO 11998:2006) Peintures et vernis - Dtermination de la rsistance au frottement humide et de laptitude au nettoyage des revtements (ISO 11998:2006) Beschichtungsstoffe - Bestimmung der Nassabriebbestndigkeit und der Reinigungsfhigkeit von Beschichtungen (ISO
6、11998:2006) This European Standard was approved by CEN on 7 July 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliograph
7、ical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN
8、 member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
9、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussel
10、s 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 11998:2006: E Foreword This document (EN ISO 11998:2006) has been prepared by Technical Committee ISO/TC 35 “Paints and varnishes“ in collaboration with Technical Committee
11、CEN/TC 139 “Paints and varnishes“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2007, and conflicting national standards shall be withdrawn at t
12、he latest by January 2007. This document supersedes EN ISO 11998:2001. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland
13、, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 11998:2006 has been approved by CEN as EN ISO 11998
14、:2006 without any modifications. EN ISO 11998:2006 Reference number ISO 11998:2006(E) INTERNATIONAL STANDARD ISO 11998 Second edition 2006-07-15 Paints and varnishes Determination of wet-scrub resistance and cleanability of coatings Peintures et vernis Dtermination de la rsistance au frottement humi
15、de et de laptitude au nettoyage des revtements EN ISO 11998:2006 ii iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Principle. 2 5 Reagents 2 6 Apparatus 2 7 Sampling 4 8 Procedure 4 9 Expression of results . 6 10 Precision 7 11 Test re
16、port . 8 Annex A (normative) Determination of the dry-film density of the coating. 9 Bibliography. 11 EN ISO 11998:2006 iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International
17、 Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, a
18、lso take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical commit
19、tees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the pos
20、sibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 11998 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test methods for paints
21、and varnishes. This second edition cancels and replaces the first edition (ISO 11998:1998), which has been technically revised. The main changes are: the definitions for stroke length and scrub cycle have been changed and a new term scrub length has been introduced; the method for the determination
22、of the dry-film density of the coating, specified in Annex A, has been replaced by a new method. EN ISO 11998:2006 v Introduction As noted in the Foreword, this International Standard is a revision of ISO 11998:1998. The use and application of the standard is now established globally, and improved p
23、rocedures/equipment have been proposed. A joint CEN/ISO working group has agreed to undertake interlaboratory testing with a new type of abrasive pad (different from that specified in 6.5). It is anticipated that the results of the testing will be available by the end of 2006 and an early revision o
24、f the standard might be initiated. EN ISO 11998:2006 blank 1 Paints and varnishes Determination of wet-scrub resistance and cleanability of coatings 1 Scope The ability of coatings to withstand wear caused by repeated cleaning operations and to withstand penetration by soiling agents is an important
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