BS-EN-13523-24-2004.pdf
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1、BRITISH STANDARD BS EN 13523-24:2004 Coil coated metals Test methods Part 24: Resistance to blocking and pressure marking The European Standard EN 13523-24:2004 has the status of a British Standard ICS 25.220.60 ? BS EN 13523-24:2004 This British Standard was published under the authority of the Sta
2、ndards Policy and Strategy Committee on 25 November 2004 BSI 25 November 2004 ISBN 0 580 44866 5 National foreword This British Standard is the official English language version of EN 13523-24:2004. The UK participation in its preparation was entrusted to Technical Committee STI/27, Paint systems fo
3、r metallic substrates, which 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 BS
4、I Catalogue under the section 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
5、its correct application. 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 inter
6、ests informed; monitor related 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 7 and a back cover. The BSI copyright notice displayed in this document indicates when th
7、e document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13523-24 November 2004 ICS 25.220.60 English version Coil coated metals - Test methods - Part 24: Resistance to blocking and pressure marking Tles prlaques - Mth
8、odes dessai - Partie 24 : Rsistance ladhrence et au marbrage Bandbeschichtete Metalle - Prfverfahren - Teil 24: Block- und Stapelfestigkeit This European Standard was approved by CEN on 23 September 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c
9、onditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in th
10、ree official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN 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 A
11、ustria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDA
12、RDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13523-24:2004: E EN 13523-24:2004 (E) 2 Foreword Thi
13、s document (EN 13523-24:2004) has been prepared by Technical Committee 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 M
14、ay 2005, and conflicting national standards shall be withdrawn at the latest by May 2005 According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germa
15、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 13523-24:2004 (E) 3 Introduction Pressure generated within a coil or a stack of sheets can affect the coati
16、ng surface and cause marks of gloss transfer, plasticizer migration, etc. and even blocking/sticking. EN 13523-24:2004 (E) 4 1 Scope This part of EN 13523 describes the procedure for determining the resistance to blocking and/or pressure marking of an organic coating on a metallic substrate. 2 Norma
17、tive references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13523-0, Coil coated metals Te
18、st methods Part 0: General introduction and list of test methods. EN 13523-4, Coil coated metals Test methods Part 4: Pencil hardness. EN 13523-22, Coil coated metals Test methods Part 22: Colour difference Visual comparison. EN 23270, Paints and varnishes and their raw materials Temperatures and hu
19、midities for conditioning and testing (ISO 3270:1991). 3 Principle Test panels are placed on top of each other in a stack, the two surfaces to be evaluated being in contact. The stack is placed in a press, where a uniform pressure can be applied at an elevated temperature. 4 Apparatus 4.1 General Or
20、dinary laboratory apparatus and glassware, together with the following; 4.2 Press designed to ensure a uniform pressure at elevated temperature. Both pressure and temperature shall be adjustable 5 Sampling See EN 13523-0. 6 Test panels See EN 13523-0. Test panels (usually 100 mm 120 mm) shall be fla
21、t and free from contamination. Cut edges shall be flat and any burrs shall be removed. For each system under evaluation, there shall be at least two test samples plus one reference sample. EN 13523-24:2004 (E) 5 7 Procedure 7.1 General In general, samples can be tested after curing of the coating, a
22、s soon as they are cooled down to room temperature. Place the panels in a stack, the two surfaces to be tested being in contact. Apply pressure to the samples by the press. Heat the stack in the press to the specified temperature. The test shall be allowed to continue for the agreed period of time.
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- 关 键 词:
- BS EN 13523 24 2004
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