IEC 60641-3-2-2008 Specification for pressboard and presspaper for electrical purposes - Part 3 Specifications for individual materials - Sheet 2 Requirements f.pdf

1、 IEC 60641-3-2Edition 2.0 2007-11INTERNATIONAL STANDARD NORME INTERNATIONALEPressboard 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 Carton comprim et papier comprim usages lectr

2、iques Partie 3: Spcifications pour 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 IEC60641-3-2:2008 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of t

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17、RME INTERNATIONALEPressboard 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 Carton comprim et papier comprim usages lectriques Partie 3: Spcifications pour matriaux particuliers F

18、euille 2: Exigences pour papier comprim, types P.2.1, P.4.1, P.4.2, P.4.3 et P.6.1 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE GICS 29.035.10 PRICE CODECODE PRIXISBN 2-8318-9590-1 2 60641-3-2 IEC:2008 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references .5 3

19、Designation (according to IEC 60641-1) .5 4 Requirements .5 Table 1 Requirements for presspaper 6 60641-3-2 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES Part 3: Specifications for individual materials Sheet 2: Requirements for presspaper, t

20、ypes P.2.1, P.4.1, P.4.2, P.4.3 and P.6.1 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 promote international co-operation on all q

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29、IEC Publications. 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 su

30、bject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60641-3-2 has been prepared by IEC technical committee 15: Solid electrical insulating materials. This second edition cancels and replaces the first edition published i

31、n 1992. This edition constitutes a technical revision. The main changes with respect to the previous edition 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 v

32、alues were adjusted to todays needs of users. 4 60641-3-2 IEC:2008 This bilingual version (2008) replaces the English version. The text of this standard is based on the following documents: CDV Report on voting 15/353/CDV 15/389/RVC Full information on the voting for the approval of this standard ca

33、n be found in the report on voting indicated in the above table. The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 60641 series, under the general title Pressboard and p

34、resspaper for electrical purposes, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At

35、this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60641-3-2 IEC:2008 5 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.

36、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 application of this do

37、cument. 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 IEC 60641-2:2004, Pressb

38、oard 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 % cotton Mixture of sul

39、phate 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.4.1 and P.6.1. 4 Requi

40、rements 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. 6 60641-3-2 IEC:2008 Table1 Requirementsfor presspaperP.2 presspaperofhigh densityand high chemicalpurityP.4 soft porous pre

41、sspaper 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 % sulphatewood pulp P.4.2 100

42、 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 - 1,2 1,1 - 1,25 Tensile

43、 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 MPa Min.60 65 40 45 60

44、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 Elongation folded Machine direction 0,2 mm0,2mm

45、Crossmachine direction 0,2 mm0,2mm7 %Min.1 1,5 3 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 60641-3-2 IEC:2008 7 P.2 presspaperofhigh densityand high chemicalpurityP.4 soft porous presspaper ofhigh chemicalpurityand high oil absorptionP.6 presspaperof lowporosityfo

46、r 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 % sulphatewood pulp P.4.2 100 % cotton P.4.3 Mixture of sulphatewood pulp and cotton P.6.1 A100 % sulphatewood p

47、ulp P.6.1 B 100 % sulphatewood pulp 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.8 8 8 8 8 8 8 8 Ash content14 %Max.1 1 1 1

48、 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 mm0,2mm20 kV/mmMin.10 11 7 8 50 50 10 11

49、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 _ 8 60641-3-2 CEI:2008 SOMMAIRE AVANT-PROPOS9 1 Domaine dapplication 11 2 Rfrences normatives.11 3 Dsignations (conformment la CEI 60641-1)11 4 Exigences 11 Tableau 1 Exigences concernant le papier comprim.12 60641-3-2 CEI:2008 9 COMMISSION