ISO INTERNATIONAL STANDARD 787-15 Secondedition 2019-08 General methods of testfor pigments andextenders- Part 15: Comparisonofresistancetolightof coloured pigments of similartypes Methodes generales d'essai des pigments et matieres de charge- Partie15:Comparaisondelaresistancealalumieredespigments colorésdetypessemblables Referencenumber IS0787-15:2019(E) ISO IS02019 IS0787-15:2019(E) COPYRIGHTPROTECTEDDOCUMENT IS02019 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 anyform or by any means,electronic or mechanical, including photocopying,or posting beloworIso'smemberbody in thecountryoftherequester. ISO copyright office CP 401.Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+41227490947 Email:copyright@iso.org Website:www.iso.org Published in Switzerland ii IS02019-All rightsreserved IS0787-15:2019(E) Contents Page Foreword iv Introduction. .V 1 Scope. 1 2 Normativereferences .1 3 Termsanddefinitions 1 4 Principle .1 5 Apparatusandmaterials .2 6 Sampling .4 7 Procedure .5 7.1 Preparationof thetestspecimens. .5 7.2 Exposureofthetestspecimens .5 8 Testreport .5 Bibliography 7 IS02019-All rights reserved ii