ISO INTERNATIONAL STANDARD 28199-2 Second edition 2021-06 Paints and varnishes Evaluation of properties of coating systems related to the spray application process Part 2: Colour stability, process hiding power, re-dissolving, overspray absorption, wetting, surface texture and mottling Peintures etvernis-Evaluation des propriétes des systemes de revetement liées au mode d'applicationpar pulverisation Partie 2: Stabilite des couleurs,pouvoir masquant du procedé, detrempe,absorptiondespertesdepeinturealapulverisation mouillage,texture superficielle et marbrures Referencenumber IS028199-2:2021(E) ISO @ ISO 2021 IS028199-2:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS02021 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 or Iso's memberbody in the country ofthe requester. ISO copyright office CP 40i : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22.749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved IS0 28199-2:2021(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. 2 Normative references 3 Terms and definitions 4 Colour stability/colour evaluation 4.1 General ..1 ..1 4.2 Evaluation. Process hiding power 3 5 5.1 General .3 5.2 Evaluation ..3 Re-dissolving 6 6.1 General .4 6.2 Evaluation ..4 Overspray absorption ..5 7 7.1 General .5 7.2 Evaluation ..5 Wetting. 8 8.1 General .6 8.2 Evaluation. ..6 9 Surface texture. ..7 9.1 General .7 9.2 Evaluation. 9.2.1 General evaluation. 7 9.2.2 Evaluation of base coats 9.2.3 Evaluationofclearcoats Mottling. 10 .9 10.1 General .9 10.2 Evaluation. .9 10.2.1 Measurementtechniques .9 10.2.2 Visual evaluation. .10 11 Testreport ..10 Bibliography .11 @IS0 2021-All rights reserved ili