1、 IEC 60811-407 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 407: Miscellaneous tests Measurement of mass increase of polyethylene and polypropylene compounds Cbles lectriques et fibres optiques Mthodes
2、dessai pour les matriaux non-mtalliques Partie 407: Essais divers Mesure de laugmentation de la masse des mlanges polythylne et polypropylne IEC60811-407:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of t
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16、donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60811-407 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 407: Miscellaneous tests Measurement of
17、mass increase of polyethylene and polypropylene compounds Cbles lectriques et fibres optiques Mthodes dessai pour les matriaux non-mtalliques Partie 407: Essais divers Mesure de laugmentation de la masse des mlanges polythylne et polypropylne INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELEC
18、TROTECHNIQUE INTERNATIONALE H ICS 29.035.01; 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912-967-6 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authori
19、zed distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60811-407 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 General . 6 4.2 Apparatus 6 4.3 Sampl
20、ing and test pieces preparation 6 4.4 Test procedure 7 4.5 Measurements . 7 4.6 Expression of the result . 7 5 Test report 7 Bibliography 8 60811-407 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 407: Miscellaneo
21、us tests Measurement of mass increase of polyethylene and polypropylene 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 pro
22、mote 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 Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides
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24、o participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possi
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28、on of conformity. Independent 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 th
29、is 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 injury, property damage or other damage of any nature whatsoever, whether direct or in
30、direct, 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 references cited in this publication. Use of the referenced publications is indispensable for
31、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 identifying any or all such patent rights. International Standard IEC 60811-407 has been
32、prepared by IEC technical committee 20: Electric cables. This Part 407 of IEC 60811 cancels and replaces Clause 11 of IEC 60811-4-2:2004, 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 previ
33、ous edition, but see the Foreword to IEC 60811-100:2012. 4 60811-407 IEC:2012 The text of this standard is based on the following documents: FDIS Report on voting 20/1291/FDIS 20/1340/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated
34、in the above table. 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 m
35、ethods for non-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
36、, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60811-407 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 sta
37、ndards for cable 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 fo
38、r the materials 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 60811-407 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALL
39、IC MATERIALS Part 407: Miscellaneous tests Measurement of mass increase of polyethylene and polypropylene compounds 1 Scope This Part 407 of IEC 60811 gives the procedure to examine possible interaction between insulation material and filling compound of filled cable. 2 Normative references The foll
40、owing 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 (including any amendments) applies. IEC 60811-100:2
41、012, Electric and optical fibre cables Test methods for non-metallic materials Part 100: General 3 Terms and definitions 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 6
42、0811-100. This test is used to examine the possible interaction between insulation materials and filling compounds of filled cables. It is intended only for the purpose of material selection. 4.2 Apparatus For the purpose of this test, the different equipment used is as follows: a) a glass vessel; b
43、) an oven with natural air flow; c) an analytical balance with a precision of 0,1 mg. 4.3 Sampling and test pieces preparation Three samples of each colour of insulated core shall be taken from a cable before the filling process. Each sample of about 2 m shall be cut into three pieces of length 600
44、mm, 800 mm and 600 mm. 60811-407 IEC:2012 7 4.4 Test procedure The 800 mm test piece shall be immersed in about 200 g of filling compound contained in a glass vessel and pre-heated to the following temperature: (60 2) C for filling compound having a drop-point above 50 C and up to and including 70 C
45、; (70 2) C for filling compound having a drop-point above 70 C. NOTE For an explanation of the drop-point, see IEC 60811-601. At least 500 mm of the middle part of this test piece shall be immersed in the compound without contact with the glass vessel or another specimen. The ends of the test piece
46、shall be kept out of the compound. The glass vessel shall be stored for 10 24 h in an oven and the temperature shall be maintained continuously at the value specified above for the relevant filling compound. At the end of the period, the test piece shall be removed from the filling compound and care
47、fully cleaned with absorbent paper. The ends of the test piece shall then be cut away leaving at least 500 mm of the middle part that has been immersed in the filling compound. The two dry 600 mm pieces shall be cut back to the same length as the immersed test piece and the conductor shall be remove
48、d from all three. 4.5 Measurements The three test pieces shall be weighed at ambient temperature to the nearest 0,5 mg. 4.6 Expression of the result The mass increase W, expressed in per cent, shall be determined as follows: 100112=MMMW where M1is the mean mass of the two dry test pieces; M2is the m
49、ass of test piece immersed in the filling compound. 5 Test report The test report shall be in accordance with that given in IEC 60811-100. 8 60811-407 IEC:2012 Bibliography IEC 60811-4-2:2004, Insulating and sheathing materials of electric and optical cables Common test methods Part 4-2: Methods specific to polyethylene and polypropylene compounds Tensile strength and e
