1、 IEC 60455-2 Edition 3.0 2015-06 INTERNATIONAL STANDARD Resin based reactive compounds used for electrical insulation Part 2: Methods of test IEC 60455-2:2015-06(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no pa
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10、sc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60455-2 Edition 3.0 2015-06 INTERNATIONAL STANDARD Resin based reactive compounds used for electrical insulation Part 2: Methods of test INTERNATIONAL EL
11、ECTROTECHNICAL COMMISSION ICS 17.220.99; 29.035.01 ISBN 978-2-8322-2748-0 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC 60455-2:2015 IEC 2015 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 S
12、cope 8 2 Normative references. 8 3 Terms and definitions 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 for reactive compounds and their components . 12 5.1 Flash point 12 5.2 Density . 12 5.3 Viscosity
13、 . 12 5.4 Viscosity after 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 life . 13 5.8 Colour . 13 5.9 Softening temperature . 14 5.10 Ash content . 14 5.11 Filler content . 14 5.12 Chlorine con
14、tent 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 saponifiable chlorine content of epoxide resins and related materials 14 5.13 Tendency of cristallisation . 14 5.14 Epoxide e
15、quivalent 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 acrylat
16、e resins 15 5.20 Acid and acid-anhydride content of acid-anhydride hardeners 15 5.21 Amine value 15 5.22 Pot life 15 5.22.1 General . 15 5.22.2 Resinous compounds for 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.
17、23.3 Other compounds . 16 5.24 Exothermic temperature rise 16 5.24.1 Unsaturated polyester based compounds . 16 5.24.2 Resinous compounds for cable accessories 16 IEC 60455-2:2015 IEC 2015 3 5.24.3 Other compounds . 17 5.25 Total volume shrinkage of epoxide and unsaturated polyester based compounds
18、. 17 5.26 Curing in presence of water . 17 5.26.1 General . 17 5.26.2 Apparatus and materials. 17 5.26.3 Pouring device . 18 5.26.4 Procedure 18 5.26.5 Test report . 18 5.27 Determination of the degree of curing 18 5.28 Curing in thick layer and emissions during curing . 18 5.28.1 General . 18 5.28.
19、2 Equipment . 19 5.28.3 Test specimen . 19 5.28.4 Procedure 19 6 Methods of test for cured reactive compounds 20 6.1 General . 20 6.2 Test specimens . 20 6.2.1 General . 20 6.2.2 Preparation of the reactive compound . 20 6.2.3 Preparation of test specimens 21 6.2.4 Type and number of test specimens
20、. 21 6.3 Density . 21 6.4 Mechanical properties . 21 6.4.1 Tensile properties 21 6.4.2 Compressive properties 21 6.4.3 Flexural properties . 22 6.4.4 Impact strength 22 6.4.5 Hardness . 22 6.5 Thermal properties 22 6.5.1 Bond strength at elevated temperature . 22 6.5.2 Linear thermal expansion . 22
21、6.5.3 Thermal conductivity 22 6.5.4 Glass transition 23 6.5.5 Flammability 23 6.5.6 Thermal shock . 23 6.5.7 Dry heat resistance of resins for cable accessories Method of test . 23 6.5.8 Wet heat resistance of resins for cable accessories 24 6.5.9 Loss of mass . 26 6.5.10 Temperature index . 27 6.6
22、Chemical properties 27 6.6.1 Water absorption 27 6.6.2 Effect of liquid chemicals 28 6.6.3 Resistance to mould growth . 28 6.6.4 Water vapour permeability 28 6.7 Electrical properties 28 6.7.1 Effect of water immersion on volume resistivity . 28 6.7.2 Dielectric dissipation factor (tan ) and relativ
23、e permittivity ( r ) 29 6.7.3 Breakdown voltage and electric strength . 30 4 IEC 60455-2:2015 IEC 2015 6.7.4 Proof tracking index (PTI) . 31 6.7.5 Electrolytic corrosion 31 Annex A (informative) Health and safety . 36 Bibliography . 37 Figure 1 Test apparatus for curing in presence of water test . 3
24、2 Figure 2 Test set-up for volume resistivity 33 Figure 3 Example of electrode arrangement for flexible cured compound 34 Figure 4 Example of electrode arrangement for rigid cured compound . 35 Table 1 Condition of the top side 19 Table 2 Condition of the bottom side 19 Table 3 Condition of the inte
25、rior . 20 IEC 60455-2:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RESIN BASED REACTIVE COMPOUNDS USED FOR ELECTRICAL INSULATION Part 2: Methods of test FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all natio
26、nal electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical
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33、ertification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal
34、 injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative referen
35、ces cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for id
36、entifying any or all such patent rights. International Standard IEC 60455-2 has been prepared by IEC technical committee 15: Solid electrical insulating materials. This third edition cancels and replaces the second edition published in 1998. This edition constitutes a technical revision. This editio
37、n includes the following significant technical changes with respect to the previous edition: a) Introduction of test methods related to IEC 60455-3-8; b) Additional and updated test methods for resins. 6 IEC 60455-2:2015 IEC 2015 The text of this standard is based on the following documents: FDIS Re
38、port on voting 15/751/FDIS 15/757/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 60455 series,
39、published under the general title Resin based reactive compounds used for electrical insulation, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“
40、 in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IEC 60455-2:2015 IEC 2015 7 INTRODUCTION This part of IEC 60455 is one of
41、a series which deals with solvent-free resin based reactive compounds and their components used for electrical insulation. The series consists of three parts: Part 1: Definitions and general requirements (IEC 60455-1); Part 2: Methods of test (IEC 60455-2); Part 3: Specifications for individual mate
42、rials (IEC 60455-3). 8 IEC 60455-2:2015 IEC 2015 RESIN BASED REACTIVE COMPOUNDS USED FOR ELECTRICAL INSULATION Part 2: Methods of test 1 Scope This part of IEC 60455 specifies methods of test to be used for testing resin based reactive compounds, their components and cured compounds used for electri
43、cal insulation. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (inc
44、luding any amendments) applies. IEC 60050 (all parts), International Electrotechnical Vocabulary (available at http:/www.electropedia.org) IEC 60068-2-10:2005, Environmental testing Part 2-10: Tests Test J and guidance: Mould growth IEC 60093:1980, Methods of test for volume resistivity and surface
45、resistivity of solid electrical insulating materials IEC 60112:2003, Method for the determination of the proof and the comparative tracking indices of solid insulating materials IEC 60216 (all parts), Electrical insulating materials Thermal endurance properties IEC 60243-1:1998, Electrical strength
46、of insulating materials Test methods Part 1: Tests at power frequencies IEC 60250:1969, Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths IEC 60296:2012,
47、 Fluids for electrotechnical applications Unused mineral insulating oils for transformers and switchgear IEC 60426:2007, Electrical insulating materials Determination of electrolytic corrosion caused by insulating materials Test methods IEC 60455-1:1998, Resin based reactive compounds used for elect
48、rical insulation Part 1: Definitions and general requirements IEC 60455-3 (all parts), Resin based reactive compounds used for electrical insulation Part 3: Specifications for individual materials IEC 60455-3-8:2013, Resin based reactive compounds used for electrical insulation Part 3: Specification
49、s for individual materials Sheet 8: Resins for cable accessories IEC 60455-2:2015 IEC 2015 9 IEC 60695-11-10:1999, Fire hazard testing Part 11-10: Test flames 50 W horizontal and vertical flame test methods IEC 60814:1997, Insulating liquids Oil-impregnated paper and pressboard Determination of water by automatic coulometric Karl Fischer titration IEC 61033:1991, Test methods for the determination of bond strength of impregnating agents to an enamel
