1、 IEC 60641-1Edition 2.0 2007-11INTERNATIONAL STANDARD NORME INTERNATIONALEPressboard and presspaper for electrical purposes Part 1: Definitions and general requirements Carton comprim et papier comprim usages lectriques Partie 1: Dfinitions et exigences gnrales IEC60641-1:2008 THIS PUBLICATION IS CO
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16、 Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60641-1Edition 2.0 2007-11INTERNATIONAL STANDARD NORME INTERNATIONALEPressboard and presspaper for electrical purposes Part 1: Definitions and general requirements Carton comprim et papier comprim usages lectriques Partie 1: Dfinition
17、s et exigences gnrales INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE JICS 29.035.10 PRICE CODECODE PRIXISBN 2-8318-9589-8 2 60641-1 IEC:2008 CONTENTS FOREWORD.3 1 Scope.5 2 Terms and definitions .5 3 Classification5 4 General requirements.6 4.1 Composition 6 4.
18、2 Finish 6 4.3 Machineability .6 5 Dimensions 6 6 Conditions of supply .6 Bibliography9 Table 1 Classification.8 60641-1 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PRESSBOARD AND PRESSPAPER FOR ELECTRICAL PURPOSES Part 1: Definitions and general requirements FOREWORD 1) The International
19、 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 questions concerning standardization in the electrical and electronic fi
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28、ed 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 rights. IEC shall not be held responsible for identifyi
29、ng any or all such patent rights. International Standard IEC 60641-1 has been prepared by IEC technical committee 15: Solid electrical insulating materials. This second edition cancels and replaces the first edition published in 1979 and amendment 1 (1993). This edition constitutes a technical revis
30、ion. The main changes with respect to the previous edition 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listed below: the kind of surface finish shall no longer be specified in the standard; fixed nominal thicknesses have been replaced by preferred thicknesses; types B.6 and P.6 have been replaced, but the designations have been kept; type
31、s B.7 and P.7 have been deleted. 4 60641-1 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 15/352/CDV 15/388/RVC Full information on the voting for the approval of this standard can be found in t
32、he 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 presspaper for e
33、lectrical 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 this date, the
34、publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60641-1 IEC:2008 5 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
35、 requirements 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,
36、even 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.
37、It 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
38、 during 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 o
39、f 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. 6 60641-1 IEC:2008 4 General requirements 4.1 Composition All types of pressboard and presspaper covere
40、d by 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 t
41、he 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
42、 requisite 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
43、high 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 supplie
44、r. 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 Dim
45、ensions 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,
46、0 Other 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. 60641-1 IEC:2008 7 A consignment of pressboard or
47、presspaper shall be legibly 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) 8 60641-1 IEC:2008 Table 1 Classification Pres
48、sboard PresspaperBasic 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
49、P0.1 100 % sulphate wood 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 Capacitors B2. Pessboard characterized by high chemical purity B2.1 100 % sulphate wood pulp B
