ISO INTERNATIONAL STANDARD 17449 First edition 2015-11-15 Road vehicles Safety glazing materials Test methods for properties of electrically heated glazing Vehicules routiers - Vitrages de sécurité - Méthodes d'essai pour les propriétés des vitrages chauffes électriquement Reference number ISO 17449:2015(E) ISO International Organization for Standardization HEJIANG INST OF STANDARDIZATION C1 5956617 @IS02015 mitted without license from IHS IS0 17449:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland 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 copyright@iso.org www.iso.org Internatinai br DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZAISQ 0d5 - All rights reserved Not for Resale, 2016/3/29 05:51:25 networking permited withoutlicense from IHS IS0 17449:2015(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ...1 3 Terms and definitions 4 Specimens. 5 Conditioning of test specimens 6 Application of test ..3 7 Requirements. ..4 7.1 Circuit continuity and heating power ..4 7.1.1 Purpose of test ..4 7.1.2 Apparatus. .4 7.1.3 Procedure. ..4 7.1.4 Expression of results 4 7.2 Driving visibility 7.2.1 Purpose of test .5 7.2.2 Apparatus. .5 7.2.3 Procedure. 5 7.2.4 Expression of results. 5 7.3 Electrical attachment bond performance .5 7.3.1 Purpose of test .5 7.3.2 Apparatus. .5 7.3.3 Procedure. .6 7.3.4 Expression of results. .6 7.4 Electrical attachment bending performance .6 7.4.1 Purpose of test ..6 7.4.2 Procedure .6 7.4.3 Expression of results ..6 7.5 Hot spot and heating uniformity .6 7.5.1 Purpose of test .6 7.5.2 Apparatus. 7 7.5.3 Procedure. .7 7.5.4 Expression of results 7 7.6 Defrosting efficiency .7 7.6.1 Purpose of test 7.6.2 Apparatus. 7 7.6.3 Procedure. ..8 7.6.4 Expression of results .8 7.7 High voltage durability. ..8 7.7.1 Purpose of test .8 7.7.2 Procedure .8 7.7.3 Expression of results. .9 7.8 Low temperature performance 9 7.8.1 Purpose of test .9 7.8.2 Apparatus. .9 7.8.3 Procedure... 7.8.4 Expression of results. 9 7.9 Long term humidity durability .9 7.9.1 Purpose of test .9 7.9.2 Apparatus. .9 7.9.3 Procedure. ..10 7.9.4 Expression of results. ..10 8 Acceptance criteria ..10 Inteatonal oganzation @stS201.5 - All rights reserved iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed withoutlicense from IHS Not for Resale, 2016/3/29 05:51:25