ISO INTERNATIONAL STANDARD 4665 Third edition 2016-01-15 Rubber, vulcanized or thermoplastic Resistance to weathering Caoutchouc vulcanisé ou thermoplastique-Resistance aux intemperies Reference number IS0 4665:2016(E) ISO Intermational Organization for Standardization =ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 ed without license from IHS IS0 4665:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0:2016,Published inSwitzerland 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. ISOcopyrightoffice Ch. de Blandonnet 8. CP 401 CH-1214 Vernier,Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intematinaibr PrganizationfoStandardization Licensee-ZHEJIANG INST OF STANDARDIZoISQ06-All rights reserved networking permited without license from IHS Not for Resale, 2016/3/29 02:57:5 IS0 4665:2016(E) Contents Page Foreword ..iv Introduction.. ... 1 Scope. 2 Normativereferences ..1 3 Terms and definitions ..1 4 Principle ..2 5 Exposure to direct weathering, to weathering using glass-filtered daylight or to intensified weatheringbydaylightusingFresnel mirrors .2 6 Exposuretolaboratorylightsources .2 7 Changes in colour ..3 7.1 Apparatus. .3 7.1.1 Instrumental assessment .3 7.1.2 Visual assessment 3 7.2 Test piece 3 7.3 Procedure. .3 7.3.1 General. .3 7.3.2 Instrumentalassessment .3 7.3.3 Visual assessment. .3 8 Changesinotherappearanceproperties .3 9 Changes in physical properties .3 9.1 3 General 9.2 Apparatus 4 9.3 Test pieces. ..4 9.4 Procedure .4 10 Expression of results. .4 10.1 Change in colour. .4 10.1.1 Instrumental measurements. .4 10.1.2 Visual measurements. .4 10.2 Changes in other appearance properties .5 10.3 Changes in physical properties .5 11 Test report ..6 AnnexA (informative)Weatheringreferencematerials .7 Annex B (informative) Some properties which can be determinedto assess change afterexposure .10 Bibliography .11 iii 2e=ZHEJIANG INSTOF STANDARDIZATION C15956617 ithout license from IHS