EN 13523-4-2014 en Coil coated metals - Test methods - Part 4 Pencil hardness《线圈包覆金属 测试方法 第4部分 铅笔硬度》.pdf

1、BSI Standards PublicationBS EN 13523-4:2014Coil coated metals TestmethodsPart 4: Pencil hardnessBS EN 13523-4:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13523-4:2014.It supersedes BS EN 13523-4:2001 which is withdrawn.The UK participation in its prepar

2、ation was entrusted to TechnicalCommittee STI/21, Surface preparation of steel.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correc

3、tapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 80218 8ICS 17.040.20; 25.220.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and

4、 Strategy Committee on 31 August 2014.Amendments issued since publicationDate Text affectedBS EN 13523-4:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13523-4 July 2014 ICS 25.220.60 Supersedes EN 13523-4:2001English Version Coil coated metals - Test methods - Part 4: Pencil hardness Tles

5、 prlaques - Mthodes dessai - Partie 4: Duret crayon Bandbeschichtete Metalle - Prfverfahren - Teil 4: Bleistifthrte This European Standard was approved by CEN on 14 June 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Eur

6、opean 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 CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versio

7、ns (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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, B

8、elgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Swi

9、tzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN natio

10、nal Members. Ref. No. EN 13523-4:2014 EBS EN 13523-4:2014EN 13523-4:2014 (E) 2 Contents Page Foreword 3 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Principle 5 5 Apparatus and materials .5 6 Sampling .6 7 Test panels .6 8 Procedure .6 9 Expression of results 7 10 Precision .7 11

11、Test report 8 Bibliography 9 BS EN 13523-4:2014EN 13523-4:2014 (E) 3 Foreword This document (EN 13523-4:2014) 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,

12、either by publication of an identical text or by endorsement, at the latest by January 2015 and conflicting national standards shall be withdrawn at the latest by January 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN a

13、nd/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13523-4:2001. The main technical changes are: a) the definition of pencil hardness was amended; b) the term “remove the coating” was corrected to “scratch the coating” in the descri

14、ption of the result of the test; c) a remark on preconditioning was added; d) concerning the applicability of the pencil hardness test, a reference to EN ISO 15184 was added. EN 13523, Coil coated metals Test methods, consists of the following parts: Part 0: General introduction Part 1: Film thickne

15、ss Part 2: Gloss Part 3: Colour difference Instrumental comparison Part 4: Pencil hardness Part 5: Resistance to rapid deformation (impact test) Part 6: Adhesion after indentation (cupping test) Part 7: Resistance to cracking on bending (T-bend test) Part 8: Resistance to salt spray (fog) Part 9: Re

16、sistance to water immersion Part 10: Resistance to fluorescent UV radiation and water condensation Part 11: Resistance to solvents (rubbing test) Part 12: Resistance to scratching BS EN 13523-4:2014EN 13523-4:2014 (E) 4 Part 13: Resistance to accelerated ageing by the use of heat Part 14: Chalking (

17、Helmen method) Part 15: Metamerism Part 16: Resistance to abrasion Part 17: Adhesion of strippable films Part 18: Resistance to staining Part 19: Panel design and method of atmospheric exposure testing Part 20: Foam adhesion Part 21: Evaluation of outdoor exposed panels Part 22: Colour difference Vi

18、sual comparison Part 23: Resistance to humid atmospheres containing sulfur dioxide Part 24: Resistance to blocking and pressure marking Part 25: Resistance to humidity Part 26: Resistance to condensation of water Part 27: Resistance to humid poultice (Cataplasm test) Part 29: Resistance to environme

19、ntal soiling (Dirt pick-up and striping) According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yu

20、goslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13523-4:2014EN 13523-4:2014 (E) 5 1 Scop

21、e This part of EN 13523 describes the procedure to assess the relative hardness of an organic coating on a metallic substrate, by means of pencils of known hardness. Smooth surfaces will give more accurate results but the method is also applicable for textured surfaces. The more pronounced the textu

22、re, the greater the unreliability of results. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition o

23、f the referenced document (including any amendments) applies. EN 13523-0:2014, Coil coated metals Test methods Part 0: General introduction EN 23270, Paints and varnishes and their raw materials - Temperatures and humidities for conditioning and testing (ISO 3270) 3 Terms and definitions For the pur

24、poses of this document, the terms and definitions given in EN 13523-0:2014 and the following apply. 3.1 pencil hardness resistance of the coating surface to scratching when a pencil with a specified dimension, shape and hardness of the lead is pushed across the surface 4 Principle The coating is int

25、entionally damaged by pencils of increasing hardness. The hardest lead which does not scratch the coating for a minimum of 3 mm length determines the degree of hardness. 5 Apparatus and materials Ordinary laboratory apparatus, together with the following: 5.1 Set of CretacolorTMor Faber Castell draw

26、ing pencils1)or their equivalents in the following range: 6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H (softer) (harder) 1) Cretacolor is the trade name of a product supplied by Brevillier b) a reference to this part of EN 13523 (EN 13523-4); c) identification of the pencils used; d) whether

27、a mechanical device has been used; e) the results of the test, as indicated in Clause 9; f) any deviation from the test method specified; g) any unusual features (anomalies) observed during the test; h) the date of the test. BS EN 13523-4:2014EN 13523-4:2014 (E) 9 Bibliography EN 1396, Aluminium and

28、 aluminium alloys - Coil coated sheet and strip for general applications - Specifications EN 10169, Continuously organic coated (coil coated) steel flat products Technical delivery conditions EN ISO 15184:2012, Paints and varnishes - Determination of film hardness by pencil test (ISO 15184:2012) Thi

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