1、BRITISH STANDARDBS EN 60641-1:2008Specification for pressboard and presspaper for electrical purposes Part 1: Definitions and general requirementsICS 29.035.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g
2、55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60641-1:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 February 2008 BSI 2008ISBN 978 0 580 56346 1National forewordThis British Standard is the UK implementation of EN
3、60641-1:2008. It is identical to IEC 60641-1:2007. It supersedes BS EN 60641-1:1996 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee GEL/15, Solid electrical insulating materials, to Subcommittee GEL/15/3, Material specifications.A list of organizations
4、 represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amend
5、ments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 60641-1 NORME EUROPENNE EUROPISCHE NORM January 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Sec
6、retariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60641-1:2008 E ICS 29.035.10 Supersedes EN 60641-1:1995English version Specification for pressboard and presspaper for electrical
7、 purposes - Part 1: Definitions and general requirements (IEC 60641-1:2007) Spcifications pour le carton comprim et le papier comprim usages lectriques - Partie 1: Dfinitions et prescriptions gnrales (CEI 60641-1:2007) Bestimmung fr Tafel- und Rollenpressspan fr elektrotechnische Anwendungen - Teil
8、1: Begriffe und allgemeine Anforderungen (IEC 60641-1:2007) This European Standard was approved by CENELEC on 2007-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard w
9、ithout any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other lan
10、guage made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, D
11、enmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 15/352/CDV, future editi
12、on 2 of IEC 60641-1, prepared by IEC TC 15, Solid electrical insulating materials, was submitted to the IEC-CENELEC parallel Unique Acceptance Procedure and was approved by CENELEC as EN 60641-1 on 2007-12-01. This European Standard supersedes EN 60641-1:1995. The main changes with respect to EN 606
13、41-1:1995 are listed below: the kind of surface finish shall no longer be specified in the standard; fixed nominal thicknesses have been replaced by preferred thicknesses; types B.6 and P.6 have been replaced, but the designations have been kept; types B.7 and P.7 have been deleted. The following da
14、tes were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2008-09-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-12-01 _ Endorsement notice The t
15、ext of the International Standard IEC 60641-1:2007 was approved by CENELEC as a European Standard without any modification. _ EN 60641-1:2008 2 CONTENTS 1 Scope 4 2 Terms and definitions .4 3 Classification4 4 General requirements .5 4.1 Composition 5 4.2 Finish5 4.3 Machineability .5 5 Dimensions 5
16、 6 Conditions of supply .5 Bibliography .7 Table 1 Classification.6 EN 60641-1:2008 3 SPECIFICATION FOR PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES Part 1: Definitions and general requirements 1 Scope This part of IEC 60641 contains definitions related to a classification of, and the general r
17、equirements to be fulfilled by, pressboard and presspaper for electrical purposes. 2 Terms and definitions 2.1 pressboard board normally made on an intermittent board machine from pulp made entirely from vegetable origin of high chemical purity. It is characterized by its relatively high density, ev
18、en thickness, surface smoothness, high mechanical strength, flexibility, ageing resistance and electrical insulating properties. The surface may be smooth or textured 2.2 presspaper multilayer paper made by a continuous process from pulp entirely from vegetable origin and of high chemical purity. It
19、 is characterized by its density, even thickness, surface smoothness, high mechanical strength, ageing resistance and electrical insulating properties 2.3 calendered pressboard or presspaper, which is subsequently treated with a calender 2.4 pre-compressed pressboard to which heat has been applied d
20、uring pressing 2.5 glazed pressboard or presspaper to which lustre has been imparted. The lustre may be imparted by any appropriate drying or mechanical finishing process Based on ISO vocabulary of paper terms. 3 Classification Based on compositions and properties, this standard covers the types of
21、pressboard or presspaper shown in Table 1. To the description of the types, some examples of known applications are added without implying any kind of restriction on other possible applications. EN 60641-1:2008 4 4 General requirements 4.1 Composition All types of pressboard and presspaper covered b
22、y this standard shall be made entirely from vegetable fibres. All types shall be free from extraneous material and adhesive and shall, where necessary, contain a suitable dyestuff. NOTE The absence of contaminants such as metallic, inorganic and organic particles indicates the immaculateness of the
23、material. Many of the types listed in Table 1 are specified as made from “sulphate wood pulp“. This raw material is used in order to enable appropriate chemical purity and mechanical properties to be achieved (excluding, for example, mechanical pulps). Advances in pulp technology have enabled the re
24、quisite properties to be obtained by more environmentally satisfactory processes, which cannot be described as “the sulphate process“. The term “sulphate wood pulp“ in Table 1 is intended to include such materials. In order to give satisfactory performance, it is necessary for the pulp to have a hig
25、h degree of polymerisation (DP) similar to that of unbleached sulphate pulp of high quality, and to be unbleached. The pulp must be capable of similar properties to sulphate pulp in all other respects. 4.2 Finish Pressboard or presspaper shall have a finish as agreed between purchaser and supplier.
26、4.3 Machineability All pressboard shall be capable of being sheared. Pressboard and presspaper of a thickness of 3,0 mm or less shall also be capable of being punched without showing ragged edges. The operation shall be carried out in accordance with the recommendations of the manufacturer. 5 Dimens
27、ions Thickness The preferred nominal thickness (in millimetres) of the pressboard and presspaper shall be one of the following: Presspaper: 0,075 - 0,10 - 0,13 - 0,15 - 0,18 - 0,20 - 0,25 - 0,30 - 0,40 - 0,50 - 0,60 - 0,80 Pressboard: 0,8 - 1,0 - 1,5 - 2,0 - 2,5 - 3,0 - 4,0 - 5,0 - 6,0 - 7,0 - 8,0 O
28、ther thicknesses are possible. The tolerances on thickness are to be found in IEC 60641-3. 6 Conditions of supply The pressboard and presspaper shall be placed in a packing which ensures adequate protection during transport, handIing and storage. A consignment of pressboard or presspaper shall be le
29、gibly and indelibly marked with the following information. a) Manufacturers name or trademark, if any. b) Type of pressboard or presspaper as given in Table 1 c) Nominal thickness. d) Sheet size or roll width. e) Weight (net/gross) EN 60641-1:2008 5 Table 1 Classification Pressboard Presspaper Basic
30、 type Subdivisions Basic type Subdivisions Examples of application B0. Pessboard of particularly high chemical purity B0.1 100 % sulphate wood pulp B0.2 100 % cotton B0.3 Mixture of sul-phate wood pulp and cotton P0. High density presspaper of particularly high chemical purity P0.1 100 % sulphate wo
31、od pulp P0.2 100 % cotton P0.3 Mixture of sul-phate wood pulp and cotton Capacitors and hermetic motors P1. Low density presspaper of particularly high chemical purity and of high oil absorption. P1.1 100 % sulphate wood pulp P1.2 100 % cotton P1.3 Mixture of sul-phate wood pulp and cotton Capacitor
32、s B2. Pessboard characterized by high chemical purity B2.1 100 % sulphate wood pulp B2.2 100 % cotton B2.3 Mixture of sul-phate wood pulp and cotton B2.4 Mixture of cotton and jute hemp P2. Presspaper of high density and high chemical purity P2.1 100 % sulphate wood pulp P2.2 100 % cotton P2.3 Mixtu
33、re of sul-phate wood pulp and cotton P2.4 Mixture of cotton and jute hemp Transformers B3. Pre-compressed pressboard, a very hard and rigid board characterized by high chemical purity and mechanical strength. Its surface bears a cloth mark B3.1 100 % sulphate wood pulp B3.2 100 % cotton B3.3 Mixture
34、 of sul-phate wood pulp and cotton B3.4 Mixture of cotton and jute hemp Transformers B4. Pressboard characterized by high chemical purity and high oil absorption and capable of being shaped B4.1 100 % sulphate wood pulp B4.2 100 % cotton B4.3 Mixture of sul-phate wood pulp and cotton B4.4 Mixture of
35、 cotton and jute hemp P4. Presspaper of high purity and of high oil absorption P4.1 100 % sulphate wood pulp P4.2 100 % cotton P4.3 Mixture of sul-phate wood pulp and cotton P4.4 Mixture of cotton and jute hemp Transformers and oil-immersed equipment B5. Mouldable press board of high chemical purity
36、 and high oil absorption and capable of being shaped B5.1 100 % sulphate wood pulp B5.2 100 % cotton B5.3 Mixture of sul-phate wood pulp and cotton P5.4 Mixture of cotton and jute hemp P5. Low density presspaper of high purity and high oil absorption P5.1 100 % sulphate wood pulp P5.2 100 % cotton P
37、5.3 Mixture of sul-phate wood pulp and cotton P5.4 Mixture of cotton and jute hemp Transformers and oil-immersed equipment B6. Pressboard of low porosity for dry type application B6.1 100 % sulphate wood pulp B6.2 100 % cotton B6.3 Mixture of sul-phate wood pulp and cotton B6.4 Mixture of cotton and
38、 jute hemp P6. High density presspaper of low porosity usually sized P6.1 100 % sulphate wood pulp P6.2 100 % cotton P6.3 Mixture of sul-phate wood pulp and cotton P6.4 Mixture of cotton and jute hemp Motors and general electrical equipment EN 60641-1:2008 6 Bibliography IEC 60641-3 (all subparts),
39、Pressboard and presspaper for electrical purposes Part 3: Specifications for individual materials _ EN 60641-1:2008 7 NOTE Harmonized in EN 60641-3 series (not modified). BS EN 60641-1:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body resp
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