BS 6091-3 1-1995 Vulcanized fibre for electrical purposes - Specifications for individual materials - Flat sheets《电工用硫化纤维制品 第3部分 各型材料规范 第1节 扁片材》.pdf

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1、BRITISH STANDARD BS6091-3.1: 1995 IEC667-3-1: 1986 Vulcanized fibre for electrical purposes Part 3: Specifications for individual materials Section3.1 Flat sheets (Implementation of HD416.3.1S11988) UDC678-41:621.3:6201BS6091-3.1:1995 This British Standard, having been prepared under the directionof

2、 the Electrotechnical Sector Board, was published underthe authority of the Standards Board and comes intoeffect on 15 November1995 BSI07-1999 The following BSI references relate to the work on this standard: Committee reference GEL/15/3 Draft announced in BSI News April1995 ISBN 0 580 24785 6 Commi

3、ttees responsible for this British Standard The preparation of this British Standard was entrusted by Technical CommitteeGEL/15, Insulating material, to SubcommitteeGEL/15/3, Material specifications, upon which the following bodies were represented: Adhesive Tape Manufacturers Association BEAMA Capa

4、citor Manufacturers Association British Rubber Manufacturers Association Ltd. Covered Conductors Association Department of Trade and Industry (National Physical Laboratory) Diamond Fibre Co. Limited ERA Technology Ltd. Mica Trade Club Ministry of Defence Paper Federation of Great Britain Royal Socie

5、ty of Chemistry Amendments issued since publication Amd. No. Date CommentsBS6091-3.1:1995 BSI 07-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of HD416.3.1.S1 3BS6091-3.1:1995 ii BSI 07-1999 National foreword This Section of BS6091 has been prepa

6、red by SubcommitteeGEL/15/13, Insulating material. It is identical with IEC667-3-1 Specification for vulcanized fibre for electrical purposes Part3: Specification for individual materials Sheet1: Flat sheets published by the International Electrotechnical Commission (IEC) and has been endorsed by CE

7、NELEC asHD416.3.1S1. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages Thi

8、s document comprises a front cover, an inside front cover, pagesi andii, theHD title page, pages2 to6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.HARMONIZATION

9、DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT HD416.3.1S1 UDC678-41:621.3:620.1 Key words: Electrical insulation; vulcanizedfibre; flat sheet; specification Specification for vulcanized fibre for electrical purposes Part3: Specifications for individual materials Sheet One: Flat sheets Spc

10、ification pour les fibres vulcanises usages lectriques Troisime partie: Spcifications pour matriaux individuels Feuille1: Feuilles planes Bestimmungen fr Vulkanfiber fr die Elektrotechnik Teil3: Anforderungen fr einzelne Erzeugnisse Blatt1: Flache Tafeln bzw. Bahnen This Harmonization Document was a

11、pproved by CENELEC on1987-12-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning national implementation may

12、be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Icelan

13、d, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Sta

14、ssart 35, B-1050 Brussels 1987 Copyright reserved to CENELEC members Ref. No. HD416.3.1S1:1987EBS6091-3.1:1995 BSI 07-1999 2 Foreword This Harmonization Document was approved by CENELEC on1987-12-02. The following dates were fixed: Contents Page Foreword 2 Introduction 3 1 Scope 3 2 Classification 3

15、 3 Requirements 3 Table I Requirements 4 latest date of announcementof the HD atnational level (doa)1988-06-01 latest date of publication ofaharmonized national standard (dop)1988-12-01 latest date of withdrawal ofconflicting national standards (dow)1988-12-01BS6091-3.1:1995 BSI 07-1999 3 Introducti

16、on This standard is one of a series which deals with vulcanized fibre for electrical purposes. The series will have three parts: Part1: Definitions and general requirements; Part2: Methods of test; Part3: Specifications for individual materials. Part3 will be presented in the form of separate sheets

17、, each sheet relating to a specific form of material. 1 Scope This sheet specifies requirements for flat vulcanized fibre sheets. This sheet is not applicable to material made by combining with an adhesive several thicknesses of vulcanized fibre sheet. 2 Classification The material shall be classifi

18、ed as Type A, B or C as given in Part1. 3 Requirements 3.1 The sheets shall comply with the general requirements for quality, finish, etc.,given in Part1. 3.2 When tested by the stipulated method, as given in Part2, the sheets shall comply with the requirements given in Table I.BS 6091-3.1:1995 4 BS

19、I 07-1999 Table I Requirements Property Method in IEC Publication667-2 (Clause/Sub-clause) Requirements Remarks Thickness 3.1 Nominal thickness (mm) Tolerances on central value (, mm) Nominal thickness (mm) Tolerances on central value (, mm) Tolerance on central value for nominal thicknesses up to a

20、nd including1mm is 10% 1.2 1.5 2.0 2.5 3.0 4.0 5.0 6.0 8.0 0.10 0.15 0.20 0.25 0.25 0.30 0.30 0.30 0.40 9 10 12 16 17.5 20 25 0.40 0.60 0.80 0.80 0.80 1.00 1.00 Nominal thickness Central value (MPa) not less than (mm) Type A Type B Type C Tensile strength 4 MD a CD b MD a CD b MD a CD b Above 0.8 1.

21、6 2.5 Up to and including 0.8 1.6 2.5 90 80 65 45 45 35 90 90 80 65 45 45 45 35 90 90 80 45 45 45 Flexural stress 7 Flexural stress (MPa) Values applicable to nominal thicknesses10mm and above Values for lesser thicknesses are not yet available Type A Type B MD a W 85 W 85 CD b W 75 W 75 Type C Not

22、applicable a MD=machine direction b CD=cross directionBS 6091-3.1:1995 BSI 07-1999 5 Table I Requirements Property Method in IEC Publication667-2 (Clause) Requirements Remarks Bursting strength 11 Method1 Method2 For sheets of Types B and C only of nominal thickness up to0.8mm. For sheets of Type A

23、the test is not applicable Depth of indentation should be a minimum of4.5mm before break occurs Nominal thickness (mm) 0.3 0.4 0.5 0.8 Bursting strength (kPa) W 500 W 1000 W 1500 W 2000 Tearing resistance 12 For sheets up to and including0.8mm nominal thickness the tearing resistance shall be as bel

24、ow for Types B andC. The test is not applicable to Type A Nominal thickness (mm) Tearing resistance (N) 0.3 0.5 0.8 MD a W 2.0 W 3.0 W 4.0 CD a W 2.5 W 3.5 W 4.5 Density 13 Nominal thickness (mm) Minimum permissible density (g/cm 3 ) Above 0.8 6 12 20 Up to and including 0.8 6 12 20 25 Type A Type B

25、 Type C 1.25 1.20 1.15 1.15 1.10 1.10 1.10 1.10 1.15 a MD=machine direction b CD=cross directionBS 6091-3.1:1995 6 BSI 07-1999 Table 1 Requirements Property Method in IEC Publication667-2 (Clause) Requirements Remarks Nominal thickness (mm) Minimum central value (kV/mm) Electric strength 15 Type A T

26、ype B Type C Values under consideration for the new method included in Part2 u 0.25 0.25 8 9 8 9 9 9 The test is not applicable to sheets of thickness greater than3mm. For sheets of nominal thicknessu 0.5mm the test shall be carried out within30s of removal from the desiccator Arc resistance 17 Unde

27、r consideration Chloride content 18 All types not greater than500mg/kg Sulphate content 19 All types not greater than500mg/kg Ash content 20 Type A: not greater than2% Types B and C: not greater than5% Flexibility 21 No test piece shall show visible signs of rupture Moisture content 22 All types not

28、 greater than10% Internal ply strength 23 Type A: not less than1.8kN Types B and C: not less than1.2kNblankBS6091-3.1: 1995 IEC667-3-1: 1986 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It pre

29、sents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI

30、 to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel:02089969000. F

31、ax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel:020

32、89969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European a

33、nd international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subscribing members of BSI

34、 are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publications. BSI also holds the

35、 copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or o

36、therwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.

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