ISO INTERNATIONAL STANDARD 18946 Second edition 2023-12 Imaging materials Reflection colour photographic prints Method for testing humidity fastness Matériaux pour I'image - Tirages photographiques en couleurs par réflexion - Méthode d'essai de la solidité a I'humidité Reference number IS0 18946:2023(E) osi @IS02023 IS0 18946:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 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 on or ISo's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2023 - All rights reserved