ISO INTERNATIONAL STANDARD 13803 Second edition 2014-10-01 Paints and varnishes Determination of haze on paint films at 20° Peintures et vernis - Détermination du voile sur des feuils de peinture a 200 Reference number IS0 13803:2014(E) ISO @IS02014 No reproduction or networking permitted without license from IHS Not for Resale IS0 13803:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS0 13803:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Principle ..1 5 Apparatus and materials. 2 5.1 Hazemeter. 2 5.2 Measurement standards (certified reference material, working measurement standards)6 6 Test panels 7 6.1 Substrate .7 6.2 Preparation and coating .7 6.3 Drying and conditioning 7 6.4 Thickness of coating 7 7 Calibration and adjustment of the hazemeter 7.1 Preparation of the apparatus. 7 7.2 Zero point check 7.3 Calibration and adjustment 7 8 Procedure. .8 8.1 General 8 8.2 Haze measurement of coatings from liquid paints and powder coating materials on glassplates. ..8 8.3 Haze measurement on other coated dry substrates ..8 9 Precision .8 9.1 General ..8 9.2 Repeatability limit r ..8 9.3 Reproducibility limit R .9 10 Test report ..9 Annex A (normative) Calculation of linear haze ..10 Bibliography .11 ii without license from IHS Not for Resale