1、 IEC 60811-601 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 601: Physical tests Measurement of the drop point of filling compounds Cbles lectriques et fibres optiques Mthodes dessai pour les matriaux no
2、n-mtalliques Partie 601: Essais physiques Mesure du point de goutte des matires de remplissage IEC60811-601:2012 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2012 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized
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16、ou si vous avez des questions contactez-nous: csciec.ch. IEC 60811-601 Edition 1.0 2012-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric and optical fibre cables Test methods for non-metallic materials Part 601: Physical tests Measurement of the drop point of filling compounds Cbles lectrique
17、s et fibres optiques Mthodes dessai pour les matriaux non-mtalliques Partie 601: Essais physiques Mesure du point de goutte des matires de remplissage INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE M ICS 29.035.01; 29.060.20 PRICE CODE CODE PRIX ISBN 978-2-88912
18、-994-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via
19、 un distributeur agr. 2 60811-601 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 Method A (reference method) 6 4.2.1 Apparatus 6 4.2.2 Test procedure 7 4.2.3 Expression of results . 7 4.3 Method
20、 B . 7 4.3.1 Apparatus 7 4.3.2 Test procedure 8 4.3.3 Expression of results . 8 5 Test report 8 Bibliography 13 Figure 1 Cup (Method A) 9 Figure 2 Assembled apparatus (Method A) 10 Figure 3 Cup (Method B) 11 Figure 4 Thermometer and sleeve 11 Figure 5 Case 11 Figure 6 Assembled apparatus (Method B)
21、12 60811-601 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 601: Physical tests Measurement of the drop point of filling compounds FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide org
22、anization for standardization comprising all national 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
23、, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt
24、 with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined b
25、y agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3
26、) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they ar
27、e used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and t
28、he corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsi
29、ble 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 liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical commit
30、tees and IEC National Committees for any personal 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 Publication
31、s. 8) Attention is drawn to the Normative references 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
32、 rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60811-601 has been prepared by IEC technical committee 20: Electric cables. This Part 601 of IEC 60811 cancels and replaces Clause 4 of IEC 60811-5-1:1990, which is withdrawn. Full de
33、tails 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, but see the foreword to IEC 60811-100:2012. 4 60811-601 IEC:2012 The text of this standard is based on the following documents: FDIS Report on voting 20
34、/1310/FDIS 20/1359/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. This part of IEC 60811 shall be used in conjunction with IEC
35、 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-metallic materials, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the s
36、tability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60811-601 IEC:2012 5 INTRODUCTION The IEC 60811 series specifies the tes
37、t 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 cable construction and for cable materials. NOTE 1 Non-metallic materials are typically used for insulating, sheathing, bedding, filling or taping within
38、cables. NOTE 2 These test methods are accepted as basic and fundamental and have been developed and used over many years principally for 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 ca
39、bles and cables for ships and offshore applications. 6 60811-601 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 601: Physical tests Measurement of the drop point of filling compounds 1 Scope This Part 601 of IEC 60811 specifies the test procedure for measurin
40、g the drop point of filling compounds. 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 r
41、eferenced 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 definitions For the purposes of this document, the terms and definitions given in IEC 60811-100 apply. 4 Test method 4.1
42、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. The drop point test may be used as an indication of the maximum temperature to which a filling compound can be exposed without complete liquefac
43、tion or excessive oil separation. In case of dispute, method A shall be used as reference method. 4.2 Method A (reference method) 4.2.1 Apparatus The apparatus consists of the following parts: a) A chromium plated brass cup conforming to the dimensions shown in Figure 1. b) A heat-resistant glass te
44、st tube conforming to the dimensions shown in Figure 2 with three indentations to support the cup. c) Thermometers with a range 5 C to 300 C (76 mm immersion) marked in degrees Celsius with a scale accuracy of 1 C. The bulb lengths shall be 10 mm to 15 mm, and the bulb diameters shall be 5 mm to 6 m
45、m. 60811-601 IEC:2012 7 d) An oil bath consisting of a 400 ml beaker and suitable oil, a ring stand and ring for the support of the oil bath, clamps for the thermometers, two corks as shown in Figure 2, a polished metal rod 1,2 mm to 1,6 mm in diameter and 150 mm in length, and a suitable means for
46、heating and stirring the oil bath. 4.2.2 Test procedure Place the corks on one of the thermometers as shown in Figure 2 and adjust the position of the upper cork so that the tip of the thermometer bulb is about 3 mm above the bottom of the cup when the apparatus is assembled for test. Suspend a seco
47、nd thermometer in the oil bath so that its bulb is at approximately the same level as the bulb of the thermometer in the test tube. Fill the cup by presenting its larger opening into the filling compound until the cup is filled, taking care to avoid working the filling compound as far as possible. C
48、ut away any excess compound. The cup shall be held in a vertical position with its smaller opening at the bottom while it is gently pressed down over the metal rod until the rod protrudes about 25 mm above the larger opening. Press the rod against the cup in such a manner that the rod makes contact
49、with both the upper and lower peripheries of the cup. Maintain this contact while rotating the cup around its axis and simultaneously moving the cup down the rod until the cup passes over the lower end of the rod. This spiral-like motion will cause the compound to adhere along the rod leaving a conical void of compound in the cup and a compound coating having reproducible geometry on the i
