1、BRITISH STANDARDBS EN 60641-3-2:2008Pressboard and presspaper for electrical purposes Part 3: Specifications for individual materials Sheet 2: Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3 and P.6.1ICS 29.035.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g5
2、3g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60641-3-2:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008ISBN 978 0 580 56348 5Nati
3、onal forewordThis British Standard is the UK implementation of EN 60641-3-2:2008. It is identical to IEC 60641-3-2:2007. It supersedes BS EN 60641-3.2:1995 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee GEL/15, Solid electrical insulating materials, t
4、o Subcommittee GEL/15/9, Cellulosic materials.A list of organizations 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
5、 British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 60641-3-2 NORME EUROPENNE EUROPISCHE NORM May 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrote
6、chnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: 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 60641-3-2:2008 E ICS 29.035.10 Supersedes EN 60641-3-2:1994En
7、glish version Pressboard and presspaper for electrical purposes - Part 3: Specifications for individual materials - Sheet 2: Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3 and P.6.1 (IEC 60641-3-2:2007) Carton comprim et papier comprim usages lectriques - Partie 3: Spcifications pour
8、matriaux particuliers - Feuille 2: Exigences pour papier comprim, types P.2.1, P.4.1, P.4.2, P.4.3 et P.6.1 (CEI 60641-3-2:2007) Tafel- und Rollenpressspan fr elektrotechnische Anwendungen - Teil 3: Bestimmungen fr einzelne Werkstoffe - Blatt 2: Anforderungen fr Rollenpressspan, Typen P.2.1, P.4.1,
9、P.4.2, P.4.3 und P.6.1(IEC 60641-3-2:2007) This European Standard was approved by CENELEC on 2008-04-01. 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 without any altera
10、tion. 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 language made by tra
11、nslation 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, Denmark, Estonia,
12、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 15/353/CDV, future edition 2 of IEC 60641
13、-3-2, 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 60641-3-2 on 2008-04-01. This European Standard supersedes EN 60641-3-2:1994. The main changes with respect to EN 60641-3-2:1994
14、 are listed below: type P.6 has been replaced with a new type, but the designation has been kept; type P.7 has been deleted; the thickness relation of the properties has been simplified; the values were adjusted to todays needs of users. The following dates were fixed: latest date by which the EN ha
15、s to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2009-01-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-04-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the
16、 International Standard IEC 60641-3-2:2007 was approved by CENELEC as a European Standard without any modification. _ 2 BS EN 60641-3-2:2008CONTENTS 1 Scope.4 2 Normative references .4 3 Designation (according to IEC 60641-1) .4 4 Requirements .4 Table 1 Requirements for presspaper 5 3 BS EN 60641-3
17、-2:2008Annex ZA (normative) Normative references to international publications with their corresponding European publications 7 SPECIFICATION FOR PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES Part 3: Specifications for individual materials Sheet 2: Requirements for presspaper, types P.2.1, P.4.1
18、, P.4.2, P.4.3 and P.6.1 1 Scope This part of IEC 60641 gives the requirements for presspaper for electrical purposes comprised of 100 % sulphate wood pulp, 100 % cotton or a mixture of sulphate wood pulp and cotton. 2 Normative references The following referenced documents are indispensable for the
19、 application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60641-1, Pressboard and presspaper for electrical purposes Part 1: Definitions and general requirements I
20、EC 60641-2:2004, Pressboard and presspaper for electrical purposes Part 2: Methods of test 3 Designation (according to IEC 60641-1) Type Composition Description Table P.2.1 100 % sulphate wood pulp Presspaper of high density and high chemical purity. 1 P.4.1 P.4.2 P.4.3 100 % sulphate wood pulp 100
21、% cotton Mixture of sulphate wood pulp and cotton Presspaper of high chemical purity and high oil absorption. 1 P.6.1 100 % sulphate wood pulp Presspaper of low porosity for dry type application. 1 NOTE Technical specifications where higher elongation is required are found under column B of P.2.1, P
22、.4.1 and P.6.1. 4 Requirements The material shall conform to the general requirements as given in IEC 60641-1 and to the specific requirements of the appropriate type given in table 1 of this sheet. 4 BS EN 60641-3-2:2008Table1 Requirementsfor presspaperP.2 presspaperofhigh densityand high chemicalp
23、urityP.4 soft porous presspaper ofhigh chemicalpurityand high oil absorptionP.6 presspaperof lowporosityfor drytypeapplication PropertyIEC 60641-2 Clauseorsubclause UnitMin./ Max.or range P.2.1 A100 % sulphatewood pulp P.2.1 B 100 % sulphatewood pulp P.4.1 A100 % sulphatewood pulp P.4.1 B 100 % sulp
24、hatewood pulp P.4.2 100 % cotton P.4.3 Mixture of sulphatewood pulp and cotton P.6.1 A100 % sulphatewood pulp P.6.1 B 100 % sulphatewood pulp Thickness Deviation fromnominal5 %Max.10 10 10 10 10 0 10 10 Apparentdensity 6 g/cm3Range 1,2 - 1,3 1,2 - 1,3 1,0 - 1,2 0,95 - 1,15 1,0 - 1,2 0,95 - 1,15 1,0
25、- 1,2 1,1 - 1,25 Tensile strength unfolded Machine direction 0,2 mm0,2mmCrossmachine direction 0,2 mm0,2mm7 MPa Min.80 85 45 50 80 85 45 50 75 80 35 40 70 75 35 40 60 65 25 30 65 70 30 35 75 80 45 50 80 85 45 50 Tensile strength folded Machine direction 0,2 mm0,2mmCrossmachine direction 0,2 mm0,2mm7
26、 MPa Min.60 65 40 45 60 65 40 45 55 60 30 35 50 55 30 35 45 50 25 30 50 55 30 35 55 60 40 45 60 65 40 45 Elongation unfolded Machine direction 0,2 mm0,2mmCrossmachine direction 0,2 mm0,2mm7 %Min.1 1,5 4 5 4 4,5 9 10 1,5 2 6 7 3 3,5 9 10 2 2,5 6 7 2 2,5 6 7 3 3 8 8 3,5 3,5 9 9 5 BS EN 60641-3-2:2008T
27、able1(continued)P.2 presspaperofhigh densityand high chemicalpurityP.4 soft porous presspaper ofhigh chemicalpurityand high oil absorptionP.6 presspaperof lowporosityfor drytypeapplication PropertyIEC 60641-2 Clauseorsubclause UnitMin./ Max.or range P.2.1 A100 % sulphatewood pulp P.2.1 B 100 % sulph
28、atewood pulp P.4.1 A100 % sulphatewood pulp P.4.1 B 100 % sulphatewood pulp P.4.2 100 % cotton P.4.3 Mixture of sulphatewood pulp and cotton P.6.1 A100 % sulphatewood pulp P.6.1 B 100 % sulphatewood pulp Elongation folded Machine direction 0,2 mm0,2mmCrossmachine direction 0,2 mm0,2mm7 %Min.1 1,5 3
29、4 2,5 3,5 8 9 1 1,5 6 7 2 2,5 7 8 1,5 2 6 7 1,5 2 6 7 1,5 2,5 5 6 2,5 3,5 7 8 Shrinkage Machine direction Crossmachine direction Thickness 11 %Max.1 1,5 7 1 1,5 7 1 1,5 7 1 1,5 7 1 1,5 7 1 1,5 7 1 1,5 7 1 1,5 7 Plybond resistance 12 N/30 mmMin.200 200 200 200 200 200 200 200 Moisture content13 %Max.
30、8 8 8 8 8 8 8 8 Ash content14 %Max.1 1 1 1 1 1 4 2 Conductivityofaqueousextract 15 mS/mMax.8 8 8 8 8 8 20 20 pH ofaqueousextract16 Range 6 - 9 6 - 9 6 - 9 6 - 9 6 - 9 6 - 9 6 - 9 6 - 9 Oilabsorption 17 %Min.6 6 10 12 10 9 Electricstrength in air unfolded 0,2 mm0,2mmin air folded 0,2 mm0,2mminoil 0,2
31、 mm0,2mm20 kV/mmMin.10 11 7 8 50 50 10 11 7 8 50 50 9 10 6 7 60 60 9 10 6 7 60 60 10 11 7 8 75 75 9 10 7 8 70 70 10 11 7 8 10 11 7 8 _ 6 BS EN 60641-3-2:2008Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced
32、 documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifi
33、cations, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60641-1 -1)Pressboard and presspaper for electrical purposes - Part 1: Definitions and general requirements EN 60641-1 20082)IEC 60641-2 2004 Pressboard and presspaper for electrical purposes - Part 2: Met
34、hods of tests EN 60641-2 2004 1)Undated reference. 2)Valid edition at date of issue. 7 BS EN 60641-3-2:2008BS EN 60641-3-2:2008BSI Group Headquarters389 Chiswick High Road,London W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards Institution (BSI)BSI is the independent national body resp
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