BS EN 60371-3-5-2006 Insulating materials based on mica - Specifications for individual materials - Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI)《云.pdf

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1、BRITISH STANDARDBS EN 60371-3-5:2006Incorporating corrigendum no. 1Insulating materials based on mica Part 3: Specifications for individual materials Sheet 5: Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI)The European Standard EN 60371-3-5:2006 has the status of a Bri

2、tish StandardICS 29.035.10; 29.035.50g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60371-3-5:2006This British Standard was published under t

3、he authority of the Standards Policy and Strategy Committee on 31 March 2006 BSI 2006ISBN 0 580 47968 4National forewordThis British Standard was published by BSI. It is the UK implementation of EN 60371-3-5:2006, incorporating Corrigendum November 2006. It is identical with IEC 60371-3-5:2005. It s

4、upersedes BS EN 60371-3-5:1996 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee GEL/15, Standards on specifications for electrical insulating materials.A list of organizations represented on this committee can be obtained on request to its secretary.Th

5、is 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 of itself confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date Comments16813 Corrigen

6、dum No. 129 December 2006 Addition of Annex ZAEUROPEAN STANDARD EN 60371-3-5 NORME EUROPENNE EUROPISCHE NORM February 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretar

7、iat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60371-3-5:2006 E ICS 29.035.10; 29.035.50 Supersedes EN 60371-3-5:1995 English version Insulating materials based on mica Part 3: Spec

8、ifications for individual materials Sheet 5: Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI) (IEC 60371-3-5:2005) Matriaux isolants base de mica Partie 3: Spcifications pour matriaux particuliers Feuille 5: Papier de mica renforc de verre avec un agglomrant en rsine po

9、xyde pour post-imprgnation (VPI) (CEI 60371-3-5:2005) Isoliermaterialien aus Glimmer Teil 3: Bestimmungen fr einzelne Materialien Blatt 5: Glimmerpapier mit einem Glasgewebetrger mit einem Epoxidkleber zur Vakuumimprgnierung (VPI) (IEC 60371-3-5:2005) This European Standard was approved by CENELEC o

10、n 2005-12-01. 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 without any alteration. Up-to-date lists and bibliographical references concerning such national standards ma

11、y 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 translation under the responsibility of a CENELEC member into its own language and notified to

12、 the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma

13、lta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Incorporating Corrigendum November 2006EN 60371-3-5:2006 Foreword The text of document 15/228/FDIS, future edition 2 of IEC 60371-3-5, prepared by IEC TC 15, Standards on s

14、pecifications for electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60371-3-5 on 2005-12-01. This European Standard supersedes EN 60371-3-5:1995. The main changes with regard to EN 60371-3-5:1995 include adjustments to align this standa

15、rd with changes included in the latest edition of EN 60371-2. The following dates 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) 2006-09-01 latest date by which the national standards conflictin

16、g with the EN have to be withdrawn (dow) 2008-12-01 _ Endorsement notice The text of the International Standard IEC 60371-3-5:2005 was approved by CENELEC as a European Standard without any modification. _ 2 Annex ZA has been added by CENELEC. 3 EN 60371-3-5:2006 CONTENTS INTRODUCTION.4 1 Scope 5 2

17、Normative references .5 3 Designation 5 4 Requirements: raw materials.7 4.1 Mica paper 7 4.2 Glass fabric.7 4.3 Epoxy resin .7 5 Requirements: composition and tolerances .7 6 Requirements for material (as received)8 6.1 General .8 6.2 Width 8 6.3 Thickness8 6.4 Length.8 6.5 Cores 8 6.6 Joins .9 6.7

18、Tensile strength in the warp direction.9 6.8 Stiffness9 6.9 Air permeance .9 7 Packing9 Table 1 Composition low bond, with a resin content in the range (8 3) %6 Table 2 Composition medium bond, with a resin content in the range (16 3) % .7 Table 3 Tolerance on width 8 Table 4 Air porosity9 Annex ZA

19、(normative) Normative references to international publications with theircorresponding European publications .11 EN 60371-3-5:2006 4 This part of IEC 60371 forms part of a series which deals with insulating materials built up from mica splittings or mica paper with or without reinforcement, and with

20、 mica paper in its pure state for use in electrical equipment IEC 60371 consists of three parts under the main title Specification for insulating materials based on mica: Part 1: Definitions and general requirements Part 2: Methods of test Part 3: Specifications for individual materials This standar

21、d contains one of the sheets comprising part 3, as follows: Sheet 5: Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI vacuum pressure impregnation) INTRODUCTION 5 EN 60371-3-5:2006 INSULATING MATERIALS BASED ON MICA Part 3: Specifications for individual materials Sheet 5

22、: Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI) 1 Scope This part of IEC 60371 gives requirements for electrical insulating materials made by combining mica paper with glass fabric and bonding them together with a small amount of epoxy resin. The material is supplied

23、 in a flexible state and is designed for use in conjunction with vacuum pressure impregnation (VPI) with compatible impregnates. The final cured properties will be primarily dependent on the VPI resin used. Two bond contents are specified: low bond with a resin content of (8 3) %; medium bond with a

24、 resin content of (16 3) %. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based

25、on this specification alone. 2 Normative references The following referenced 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) applie

26、s. IEC 60371-2:2004, Specification for insulating materials based on mica Part 2: Methods of test IEC 60371-3-2, Insulating materials based on mica Part 3: Specifications for individual materials Sheet 2: Mica paper ISO 5636-5:2003, Paper and board Determination of air permeance and air resistance (

27、medium range) Part 5: Gurley method 3 Designation When ordering materials to this specification only the specification and type numbers need be quoted (see Tables 1 and 2). Example: IEC 60371-3-5: type 5.1.01 The type number is derived from: the specification sheet number 5 plus the sheet table numb

28、er 5.1 plus the number of the product in the sheet table 5.1.01 EN 60371-3-5:2006 6 The descriptive code quoted in Tables 1 and 2, for example G23/M80/R08 for type 5.1.01, Table 1, is derived from: glass content (G) 23 g/m muscovite mica content (M) 80 g/m resin content (R) 8 3 %. NOTE For phlogopit

29、e mica paper the letter “M“ is replaced by the letter “P“. Table 1 Composition low bond, with a resin content in the range (8 3) % Glass content g/m2Mica content g/m2Mass/ unit area g/m2Permissable thickness range mm Type Descriptive code Nom. Tol.r Nom. Tol.r Nom. Tol.r Mean Individual Volatile con

30、tent max. % 5.1.01 G23/M80/R08 23 2 80 7 112 12 0,08-0,12 0,07-0,13 0,5 5.1.02 G23/P80/R08 23 2 80 7 112 12 0,08-0,12 0,07-0,13 0,5 5.1.03 G23/M120/R08 23 2 120 10 155 15 0,09-0,13 0,08-0,14 0,5 5.1.04 G23/P120/R08 23 2 120 10 155 15 0,09-0,13 0,08-0,14 0,5 5.1.05 G32/M120/R08 32 3 120 10 165 17 0,1

31、0-0,14 0,09-0,15 0,5 5.1.06 G32/P120/R08 32 3 120 10 165 17 0,10-0,14 0,09-0,15 0,5 5.1.07 G23/M160/R08 23 2 160 13 199 20 0,11-0,16 0,10-0,17 0,5 5.1.08 G23/P160/R08 23 2 160 13 199 20 0,11-0,16 0,10-0,17 0,5 5.1.09 G32/M160/R08 32 3 160 13 209 21 0,12-0,17 0,11-0,18 0,5 5.1.10 G32/P160/R08 32 3 16

32、0 13 209 21 0,12-0,17 0,11-0,18 0,5 5.1.11 G23/M180/R08 23 2 180 14 220 22 0,13-0,18 0,12-0,19 0,5 5.1.12 G23/P180/R08 23 2 180 14 220 22 0,13-0,18 0,12-0,19 0,5 5.1.13 G32/M180/R08 32 3 180 14 231 23 0,14-0,19 0,13-0,20 0,5 5.1.14 G32/P180/R08 32 3 180 14 231 23 0,14-0,19 0,13-0,20 0,5 5.1.15 G23/M

33、250/R08 23 2 250 20 297 30 0,16-0,21 0,15-0,22 0,5 5.1.16 G23/P250/R08 23 2 250 20 297 30 0,16-0,21 0,15-0,22 0,5 5.1.17 G32/M250/R08 32 3 250 20 307 31 0,17-0,22 0,16-0,23 0,5 5.1.18 G32/P250/R08 32 3 250 20 307 31 0,17-0,22 0,16-0,23 0,5 7 EN 60371-3-5:2006 Table 2 Composition medium bond, with a

34、resin content in the range of (16 3) % Glass content g/m2Mica content g/m2Mass/ unit area g/m2Permissable thickness range mm Type Descriptive code Nom. Tol.r Nom. Tol.r Nom. Tol.r Mean Individual Volatile content max. % 5.2.01 G23/M120/R16 23 2 120 10 170 17 0,10-0,14 0,09-0,15 0,5 5.2.02 G23/P120/R

35、16 23 2 120 10 170 17 0,10-0,14 0,09-0,15 0,5 5.2.03 G32/M120/R16 32 3 120 10 181 18 0,12-0,16 0,11-0,17 0,5 5.2.04 G32/P120/R16 32 3 120 10 181 18 0,12-0,16 0,11-0,17 0,5 5.2.05 G23/M160/R16 23 2 160 13 218 22 0,12-0,17 0,11-0,18 0,5 5.2.06 G23/P160/R16 23 2 160 13 218 22 0,12-0,17 0,11-0,18 0,5 5.

36、2.07 G32/M160/R16 32 3 160 13 229 23 0,14-0,19 0,13-0,20 0,5 5.2.08 G32/P160/R16 32 3 160 13 229 23 0,14-0,19 0,13-0,20 0,5 5.2.09 G23/M180/R16 23 2 180 14 242 24 0,14-0,19 0,13-0,20 0,5 5.2.10 G23/P180/R16 23 2 180 14 242 24 0,14-0,19 0,13-0,20 0,5 5.2.11 G32/M180/R16 32 3 180 14 253 26 0,16-0,21 0

37、,15-0,22 0,5 5.2.12 G32/P180/R16 32 3 180 14 253 26 0,16-0,21 0,15-0,22 0,5 5.2.13 G23/M250/R16 23 2 250 20 325 33 0,17-0,22 0,16-0,23 0,5 5.2.14 G23/P250/R16 23 2 250 20 325 33 0,17-0,22 0,16-0,23 0,5 5.2.15 G32/M250/R16 32 3 250 20 336 34 0,19-0,24 0,18-0,25 0,5 5.2.16 G32/P250/R16 32 3 250 20 336

38、 34 0,19-0,24 0,18-0,25 0,5 4 Requirements: raw materials 4.1 Mica paper Mica paper referred to in this specification shall comply with the requirements of IEC 60371-3-2. 4.2 Glass fabric Normally the glass fabric shall be continuous filament glass fibre made from E glass. Unless otherwise agreed to

39、 between purchaser and seller, the glass fibre shall be in the loom state and have a size content not greater than 3 % by weight. For some applications a special type of size may be necessary and any requirements shall be subject to the purchase contract. 4.3 Epoxy resin Any epoxy resin system may b

40、e used which enables the material to meet the requirements of this specification. 5 Requirements: composition and tolerances When tested by the method of Clause 7 of IEC 60371-2 the composition of the products shall lie within the limits of Tables 1 and 2 for the appropriate grade of mica paper. EN

41、60371-3-5:2006 8 6 Requirements for material (as received) 6.1 General All materials in any one consignment shall have the same properties, within the limits of this specification, throughout the length of each roll. The surfaces shall be uniform and free from defects such as bubbles, pin-holes, cre

42、ases and flaws. Material supplied in rolls shall be capable of being unrolled continuously without damage, and the force required to unroll the material shall be substantially uniform. The material shall be supplied non-interleaved. Unless otherwise specified in the purchase contract the material sh

43、all be rolled with the mica surface on the outside. 6.2 Width This specification contains no requirement for width of tape. However, the following widths are preferred: 10, 12, 15, 20, 25, 30, 40 and 50 mm. The maximum trimmed width of full width material and sheet normally available is 1 000 mm. Th

44、e tolerance on the width of the material shall be as in Table 3. Table 3 Tolerance on width Nominal width mm Tolerance mm d 20 20 d 500 500 0,5 1,0 5,0 6.3 Thickness Measure the thickness in accordance with Clause 4 of IEC 60371-2, using the apparatus given in 4.1.1 of that standard, making 10 measu

45、rements on one thickness of material. The measured values shall be in accordance with the requirements of Tables 1 and 2. 6.4 Length There is no requirement in this specification for roll length, and this shall therefore be subject to the purchase contract. For sheet material, the tolerance on lengt

46、h shall be the same as for width. 6.5 Cores The tape shall be supplied compactly wound on cores of 25 mm, 40 mm, 55 mm, or 76 mm inside diameter which shall be free from sharp edges. The width of the cores in relation to that of the tape shall be subject to the purchase contract. Full width material

47、 and material wider than 100 mm shall be supplied on 55 mm or 76 mm cores. 9 EN 60371-3-5:2006 6.6 Joins The number of rolls with joins shall be limited to 25 % of any one consignment. Joined rolls of length less than 100 m shall contain no more than one join. The number of joins in rolls of length

48、of 100 m or greater shall be subject to the purchase contract. The method of making joins shall be subject to the purchase contract. 6.7 Tensile strength in the warp direction When tested by the method of Clause 8 of IEC 60371-2, the tensile strength in the warp direction shall not be less than 100

49、N/10 mm width for 32 g/m glass fabric and 60 N/10 mm width for 23 g/m glass fabric. For some applications lower or higher tensile strengths may be necessary, and any requirements shall be subject to the purchase contract. 6.8 Stiffness The material shall be tested by the method of Clause 11 of IEC 60371-2. The stiffness of the material shall be subject to the purchase contract. 6.9 Air porosity The air permeance shall be measured in accordanc