ISO INTERNATIONAL STANDARD 22553-7 First edition 2020-05 Paints and varnishes Electro. deposition coatings - Part 7: Electrical wet-film resistance Peintures etvernis-Peintures d'electrodéposition- Partie 7:Résistanceélectriquedufilm frais Reference number IS022553-7:2020(E) ISO @IS02020 IS022553-7:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS02020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 below orIso's member body in the country of therequester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @IS0 2020 - All rights reserved IS022553-7:2020(E) Contents Page Foreword iv Introduction. 1 Scope. 1 2 Normative references 1 3 Terms and definitions 1 4 Principle .3 5 Apparatus and materials .3 6 Test panels .4 7 Number of determinations 4 8 Sample preparation .5 9 Procedure. .5 10 Evaluation. .6 .6 10.1 Dynamicelectrical wet-filmresistance 10.2 Static electrical wet-film resistance 10.3 Electrical wet-film resistivity .6 11 Precision ..7 12 Test report ..7 8 Annex A (informative) Theoretical derivation of the wet-film resistivity Annex B (informative) Sample calculation of the electrical wet-film resistivity .10 Bibliography 11 IS0 2020-All rights reserved iii