IEC IEC62631-1 Edition1.0 2011-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Dielectricand resistiveproperties of solid insulatingmaterials Part1:General Proprietesdielectriquesetresistivesdesmateriauxisolantssolides Partie1:Generalites IEC 62631-1:2011 THISPUBLICATION IS COPYRIGHTPROTECTED Copyright2011IEC,Geneva,Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Commitee for further information. Droits de reproduction reserves. Sauf indication contraire,aucune partie de cette publication ne peut tre reproduite ni utlisee sousquelquefome que ce soitet paraucun procede,electroniqueoumecanique,ycompris la photocopie et les microfilms, sans I'accord ecrit de la CEI ou du Comite national de la CEI du pays du demandeur. Si vous avez des questions surle copyright de la CElou sivous desirez obtenirdes droits supplementaires sur cette publication,utlisez les coordonnees ci-apres ou contactezle Comite national de la CEl de votre pays de residence. IEC Central Office 3. rue de Varembe CH-1211Geneva 20 Switzerland Email:[email protected] Web: www.iec.ch AbouttheIEC The Intemational Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for allelectrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. - Catalogue of IEC publications: www.jiec.ch/searchpub L.com, The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, technical committee,... It also gives information on projects, withdrawn and replaced publications. :IEC JustPublished:www.iec.ch/onlinenews/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new publications released. Available on-line and also by email. "Electropedia:www.electropedia.org The worid's leading online dictionary of electronic and electricaltems containing more than 20 000 tems and definitions on in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. • Customer Service Centre:www.jec.ch/webstore/custsery If you wishtogive us yourfeedback on this publicationorneedfurther assistance,please visit the Customer Service Centre FAQ orcontact us: Email:[email protected] Tel.: +4122 919 02 11 Fax: +41 22 919 03 00 nesMadison.Nofurther Apropos de la CEI La Commission Electrotechnique Internationale (CEl) est la premiere organisation mondialequi elabore et publie des nomes internationales pour tout ce qui a trait a 'electricite, a 'electronique et aux technologies apparentees. AproposdespublicationsCEl redition la plus recente, un corrigendum ou amendement peut avoir ete publie. reproduction - Catalogue des publications de la CEl: www.iec.ch/searchpublcur fut-f.htm Le Catalogue en-ligne de la CEl vous permet d'effectuer des recherches en utilisant differents criteres (numero de reference, texte, comite d'etudes,..). Il donne aussi des informations sur les projets et les publications retirees ou remplacees. JustPublished CEl:www.iec.ch/online_news/iustpub Restez informe sur les nouvelles publications de la CEl. Just Published detaille deuxfois par mois les nouvelles or publications parues. Disponible en-ligne et aussi par email. • Electropedia: www.electropedia.org Le premierdictionnaire en ligne aumonde de termes electroniques etelectriques.ll contient plus de 20 000 temes et definitions en anglais et en francais, ainsi que les termes equivalents dans les langues additionne