ISO INTERNATIONAL STANDARD 3538 Second edition 1997-06-01 Road vehicles Safety glazing materials Test methods for optical properties Véhiculesroutiers--VitragesdesécuriteMethodesd'essai des proprietesoptiques ISO Referencenumber ISO3538:1997(E) CopYRIGHT International Organization for Standardization ISO 3538:1997(E) Foreword ISo (the International Organization for Standardization) is a worldwide fed- eration of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (lEC) on all matters of electrotechnical standardization. circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting avote. International Standard ISO 3538 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 11, Safety glazing materials. which has been technically revised. Annexes A to D of this International Standard are for information only. @ISO1997 All rights reserved. Unless otherwise specified, no part of this publication may be repro- duced or utilized in any form or by any means, electronic or mechanical, including photo- copying and microfilm, without permission in writing from the publisher. International OrganizationforStandardization Case postale 56 . CH-1211 Geneve 20 . Switzerland Internet [email protected] X.400 C=ch; a=400net; p=iso; 0=isocs; S=central Printed in Switzerland i CoPYRIGHT International Organization for Standardization LicensedbyInformationHandlingServices Organization for Standardization COPYRIGHT International Licensed by Information Handling Services