ISO INTERNATIONAL STANDARD 16253 Second edition 2017-11 Watch-cases and accessories - Vapour phase deposited coatings Boites de montres et leurs accessoires - Revetements déposés en phasevapeur Reference number ISO 16253:2017(E) so @ IS0 2017 out license from IHS Not for Resale, 11/29/2017 17:16:52 MST IS0 16253:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0 2017 - All rights reserved Not for Resale, 11/29/2017 17:16:52 MST IS0 16253:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Requirements .2 4.1 Coating .2 4.1.1 Appearance of coating 2 4.1.2 Thickness of coating 2 4.1.3 Adhesion of coating 2 4.1.4 Corrosion resistance of coating. 2 4.1.5 Hardness of coating. 2 4.1.6 Wear resistance of coating 2 4.1.7 Nickel release 3 4.1.8 Colour of coating 3 4.2 Base material, processes and coatings 3 4.3 Underlayer .3 5 Test methods. 3 5.1 Test samples 33 5.2 Visual inspection 5.3 Thickness measurement 3 5.4 Adhesion test .3 5.5 Corrosion resistance test 3 5.6 Hardnesstest 4 5.7 Wear resistance tests 4 5.7.1 Wear resistance test in relation with the decorative aspect of the coating. .4 5.7.2 Tests for the simulation of wear and corrosion .4 5.8 Measurement of colour. .4 6 Identification and marking on the product 6.1 Identification .4 6.2 Marking on the product. ..5 Annex A (normative) Visual inspection of vapour phase deposited coatings .6 Annex B (informative) Base material, process and coatings .7 Annex C (normative) Evaluation of adhesion strength using the scratch test .8 Bibliography .10 Copyrintiteatoal rhz ISMt ah aizAal ights reserved ii se with ANS ed without license from IHS Not for Resale, 11/29/2017 17:16:52 MST