1、 IEC 60811-605 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 605: Physical tests Measurement of carbon black and/or mineral filler in polyethylene compounds Cbles lectriques et fibres optiques Mthodes de
2、ssai pour les matriaux non-mtalliques Partie 605: Essais physiques Mesure du taux de noir de carbone et/ou des charges minrales dans les mlanges en polythylne IEC60811-605:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise speci
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16、 vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60811-605 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 605: Physical tests Me
17、asurement of carbon black and/or mineral filler in polyethylene compounds Cbles lectriques et fibres optiques Mthodes dessai pour les matriaux non-mtalliques Partie 605: Essais physiques Mesure du taux de noir de carbone et/ou des charges minrales dans les mlanges en polythylne INTERNATIONAL ELECTRO
18、TECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE J ICS 29.035.01; 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912-998-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtai
19、ned this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60811-605 IEC:2012 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Test method . 6 4.1 G
20、eneral . 6 4.2 Method A Measurement of carbon black and/or mineral filler content in polyethylene by direct combustion . 6 4.2.1 Sample and test piece preparation 6 4.2.2 Test procedure 6 4.2.3 Expression of results . 7 4.3 Method B Thermogravimetric analysis of the carbon black content in polyolefi
21、n compounds . 7 4.3.1 Principle 7 4.3.2 Reagents . 8 4.3.3 Apparatus 8 4.3.4 Procedure 8 5 Test report 8 Bibliography 9 60811-605 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 605: Physical tests Measurement of c
22、arbon black and/or mineral filler in polyethylene compounds FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-
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29、pendent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No
30、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 injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (
31、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 references cited in this publication. Use of the referenced publications is indispensable for the correct applicatio
32、n 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 identifying any or all such patent rights. International Standard IEC 60811-605 has been prepared by IEC techni
33、cal committee 20: Electric cables. This Part 605 of IEC 60811 cancels and replaces Clauses 11 and 12 of IEC 60811-4-1:2004, which is withdrawn. Full details of the replacements are shown in Annex A of IEC 60811-100:2012. There are no specific technical changes with respect to the previous edition, b
34、ut see the foreword to IEC 60811-100:2012. 4 60811-605 IEC:2012 The text of this standard is based on the following documents: FDIS Report on voting 20/1314/FDIS 20/1363/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above t
35、able. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This part of IEC 60811 shall be used in conjunction with IEC 60811-100. A list of all the parts in the IEC 60811 series, published under the general title Electric and optical fibre cables Test methods for non
36、-metallic materials, 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“ in the data related to the specific publication. At this date, the publicat
37、ion will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60811-605 IEC:2012 5 INTRODUCTION The IEC 60811 series specifies the test methods to be used for testing non-metallic materials of all types of cables. These test methods are intended to be referenced in standards for cab
38、le construction and for cable materials. NOTE 1 Non-metallic materials are typically used for insulating, sheathing, bedding, filling or taping within cables. NOTE 2 These test methods are accepted as basic and fundamental and have been developed and used over many years principally for the material
39、s in all energy cables. They have also been widely accepted and used for other cables, in particular optical fibre cables, communication and control cables and cables for ships and offshore applications. 6 60811-605 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS P
40、art 605: Physical tests Measurement of carbon black and/or mineral filler in polyethylene compounds 1 Scope This Part 605 of IEC 60811 describes the test methods for measuring the content of carbon black added for UV stabilization of polyethylene and polyolefin compounds. These methods are not suita
41、ble for halogenated compounds. Method A is suitable only for polyethylene and polypropylene compounds. Method B is suitable for polyolefine compounds. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applic
42、ation. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60811-100:2012, Electric and optical fibre cables Test methods for non-metallic materials Part 100: General 3 Terms and definitio
43、ns For the purposes of this document, the terms and definitions given in IEC 60811-100 apply. 4 Test method 4.1 General This part of IEC 60811 shall be used in conjunction with IEC 60811-100. Unless otherwise specified, tests shall be carried out at room temperature. 4.2 Method A Measurement of carb
44、on black and/or mineral filler content in polyethylene by direct combustion 4.2.1 Sample and test piece preparation A sample of the outer covering or sheath of sufficient weight shall be taken from one end of the cable. The sample shall be cut in pieces, the dimensions of which shall not exceed 5 mm
45、 in any direction. 4.2.2 Test procedure A combustion boat about 75 mm long shall be heated until it is red hot, allowed to cool in the desiccator for at least 30 min and weighed to the nearest 0,000 1 g. A sample of polyethylene 60811-605 IEC:2012 7 weighing (1,0 0,1) g shall be placed in the boat a
46、nd the whole weighed to the nearest 0,000 1 g. The weight of the boat shall be subtracted to give the weight of the polyethylene to the nearest 0,000 1 g (quantity A). The boat and the sample shall then be placed in the middle of a hard glass, silica or porcelain combustion tube, with a bore approxi
47、mately of 30 mm, and (400 50) mm in length. A stopper carrying a thermometer for temperature measurements from 300 C to 650 C and a tube for the admission of nitrogen shall then be inserted into one end of the combustion tube so that the end of the thermometer touches the boat. Nitrogen with an oxyg
48、en content of less than 0,5 % shall be passed through the combustion tube at (1,7 0,3) l/min and this rate of flow shall be maintained during the subsequent heating. In case of doubt, the oxygen content of the nitrogen shall be limited to 0,01 %. The combustion tube shall be placed in a furnace and
49、its outlet connected to two cold traps in series, both containing trichlorethylene, the first being cooled with solid carbon dioxide. The outlet tube from the second trap shall lead to a fume hood or the outside atmosphere. Alternatively, it is permissible for the outlet from the combustion tube to lead directly to the outside atmosphere. The furnace shall then be heated so that the tem
