IEC_60455-2-2015.pdf

IEC 60455-2 Edition 3.0 2015-06 INTER NA TIONA L STA NDA R D Resin based reactive compounds used for electrical insulation Part 2:Methods of test IEC 60455-2:2015-06(en)Copyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Geneva,Switzerland All r ights r eserved.Unless otherwise specif ied,no par t of this publication may be reproduced or utilized in any f orm or by any means,electr onic or mechanical,including photocopying and microfilm,without permission in writing f rom either IEC or IECs 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 Committee f or fur ther information.IEC Central Office Tel.:+41 22 919 02 11 3,r ue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzer land www.iec.ch About the IEC The Inter national Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standar ds f or all electr ical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entir e bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.A vailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publicat ions search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdraw n publications.IEC Just Published-webstore.iec.ch/just published Stay up to date on all new IEC publications.Just Published details all new publications released.A vailable online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionar y of electronic and electrical terms containing more than 30 000 terms and definitions in English and French,with equivalent terms in 15 additional languages.A lso k now n as the International Electrotechnical V ocabular y (IEV)online.IEC Glossar y -st d.iec.ch/glossary More than 60 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Cust omer Service Centre-webst ore.iec.ch/csc If you wish to give us y our feedback on this publication or need fur ther assistance,please contact the Customer Service Centre:csciec.ch.Copyright International Electrotechnical Commission IEC 60455-2 Edition 3.0 2015-06 INTERNA TIONA L STA NDA R D R esin based reactive compounds used for electrical insulation Part 2:Methods of test INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 17.220.99;29.035.01 ISBN 978-2-8322-2748-0 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this publication from an authorized distributor.Copyright International Electrotechnical Commission 2 IEC 60455-2:2015 IEC 2015 CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative ref erences.8 3 Terms and def initions.11 4 General notes on methods of test.11 4.1 Preparation and conditioning.11 4.2 Sequence of tests.12 4.3 Test report.12 5 Methods of test f or reactive compounds and their components.12 5.1 Flash point.12 5.2 Density.12 5.3 Viscosity.12 5.4 Viscosity af ter storing at elevated temperature.12 5.5 Content of volatile organic components.13 5.6 Isothermal increase of viscosity(processing time).13 5.7 Shelf lif e.13 5.8 Colour.13 5.9 Sof tening temperature.14 5.10 Ash content.14 5.11 Filler content.14 5.12 Chlorine content.14 5.12.1 Total chlorine content of unsaturated polyesters and epoxide resins.14 5.12.2 Inorganic chlorine content of epoxide resins and glycidyl esters.14 5.12.3 Easily saponif iable chlorine content of epoxide resins and related materials.14 5.13 Tendency of cristallisation.14 5.14 Epoxide equivalent of epoxide resins.14 5.15 Content of isocyanate.14 5.16 Water content(Karl Fischer method).14 5.17 Hydroxyl value.15 5.17.1 Polyester resins.15 5.17.2 Resins other than polyester.15 5.18 Acid value of polyester resins.15 5.19 Amount of double bonds of unsaturated polyester and acrylate resins.15 5.20 Acid and acid-anhydride content of acid-anhydride hardeners.15 5.21 Amine value.15 5.22 Pot lif e.15 5.22.1 General.15 5.22.2 Resinous compounds f or cable accessories.15 5.23 Gel time.16 5.23.1 Unsaturated polyester based compounds.16 5.23.2 Phenolic resin based compounds.16 5.23.3 Other compounds.16 5.24 Exothermic temperature rise.16 5.24.1 Unsaturated polyester