IEO ISO SO/EC80079-20-2 Edition 1.02016-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods Atmospheres explosives - Partie 20-2: Caractéristiques des produits - Methodes d'essai des poussieres combustibles ISO/IEC 80079-20-2:2016-02(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2016 ISO/lEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about below or your local IEC member National Committee for further information. Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede, électronique ou mecanique,y compris la photocopie et les microfilms, sans I'accord écrit de I'IEc ou du Comite national de I'lEC du pays du demandeur. Si vous avez des questions sur le copyright de I'isO/lEC ou si vous désirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de I'lEC de votre pays de résidence. IECCentralOffice Tel.: +41 22 919 02 11 3,rue de Varembé Fax: +41 22 919 03 00 CH-1211Geneva20 [email protected] Switzerland www.iec.ch About the IEC International Standards forall electrical, 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 IEc Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org Thestand-aloneapplication for consulting theentire The world's leading online dictionary of electronic and bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports andother English and French, with equivalent terms in 15 additional documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad Vocabulary(IEV)online. IECpublicationssearch-www.iec.ch/searchpub IECGlossary-std.iec.ch/glossary The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and varietyofcriteria(reference number, text, technical French extracted from the Terms and Definitions clause of committee,..). It also gives information on projects, replaced IEC publications issued since2002.Some entrieshave been and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEc Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IECCustomerServiceCentre-webstore.iec.ch/csc details all new publications released.Available online and also once amonthby email. need furtherassistance,please contact the Customer Service Centre:[email protected]. Aproposde IIEC La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui élabore et publie des Normes internationales pour tout ce qui a trait a I'électricite, a I'électronique et aux technologies apparentees. AproposdespublicationsIEc Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez I'édition la plus recente, un corrigendum ou amendement peut avoir éte publie. Catalogue IEC -webstore.iec.ch/catalogue Electropedia-www.electropedia.org Applicationautonomepourconsultertous lesrenseignements internationales, Le premier dictionnaire en ligne de termes électroniques et bibliographiques sur les Normes Specifications techniques, Rapports techniques et autres electriques. Il contient 20 o00 termes et definitions en anglais et en francais, ainsi que les termes équivalents dans 15 document