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1、BRITISH STANDARD BS EN 60893-3-4:1995 IEC 893-3-4: 1993 Incorporating Amendment No. 1 Specification for Industrial rigid laminated sheets based on thermosetting resins for electrical purposes Part 3: Specifications for individual materials Sheet 4: Requirements for rigid laminated sheets based on ph
2、enolic resins The European Standard EN 60893-3-4:1995 has the status of a British Standard Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60893-3-4:1995 This British Standard, having been prepared under the direction of the Sector Boa
3、rd for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 October 1995 BSI 08-1999 The following BSI references relate to the work on this standard: Committee reference PRI/77 Draft for comment 89/36441 DC ISBN 0 580 24713 9 Committees respo
4、nsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PRI/77, Rigid laminated sheets, tubes and rods, for industrial purposes, upon which the following bodies were represented: Electrical and Electronic Insulation Association (BEAMA Ltd.) Fede
5、ration of the Electronics Industry Ministry of Defence Rotating Electrical Machines Association (BEAMA Ltd.) Amendments issued since publication Amd. No.DateComments 9171August 1996Indicated by a sideline in the margin Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, U
6、ncontrolled Copy, (c) BSI BS EN 60893-3-4:1995 BSI 08-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Introduction3 1General3 2Designation3 3Requirements3 Annex ZA (normative) Other international publications quoted in this standard with the references of t
7、he relevant European publications10 Table 1 Types of industrial rigid laminated sheets based on phenolic resins4 Table 2 Tolerances on thickness ( mm)5 Table 3 Maximum permissable deviations of surface of sheet from straight edge when tested in accordance with 4.2 of IEC 893-26 Table 4 Tolerances on
8、 width of cut strips (mm; minus only)6 Table 5a Property requirements7 Table 5b Property requirements8 Table 6 Proof values of electric strength at 90 C in oil, perpendicular to laminations (1 min proof test) kV/mm. Limits for electric strength at 90 C in oil, perpendicular to laminations (20 s step
9、-by-step test) kV/mm19 Table 7 Limits for water absorption, mg9 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60893-3-4:1995 ii BSI 08-1999 National foreword This British Standard has been prepared
10、 by Technical Committee PRI/77 and is the English language version of EN 60893-3-4:1995, Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes Part 3: Specifications for individual materials Sheet 4: Requirements for rigid laminated sheets based on
11、 phenolic resins, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 893-3-4:1993, published by the International Electrotechnical Commission (CEN). EN 60893-3-4 was produced as a result of international discussions in which the United Kingdo
12、m took an active part. Types PFCC203, PFCC201, PDCC202 and PFCC204 supersede types F2, F3, F4 and F5 respectively in BS 2572. Types PFWV201, PFWV202, PFWV303 and PFWV304 supersede types BW1 and UWI in BS 2572. Type PFGC201 supersedes type PF-2 in BS 3953. A British Standard does not purport to inclu
13、de all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding British Standard EN 60249 serie
14、s (IEC 249 series) BS EN 60249 series Base materials for printed circuits EN 60893-1:1994 (IEC 893-1:1987) BS EN 60893 Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes Part 1:1995 Definitions, designations and general requirements EN 60893-2:1
15、994 (IEC 893-2:1992) Part 2:1995 Methods of test Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 10, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments inc
16、orporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60893-3-4 February 1995 + corrigendum:1995 ICS 29.040.20
17、 Descriptors: Electrical insulating material, solid electrical insulating material, laminates, thermosetting resins, phenoplasts, designation, specification, dimensional tolerances, thickness, characteristics, tables(data) English version Specification for industrial rigid laminated sheets based on
18、thermosetting resins for electrical purposes Part 3: Specifications for individual materials Sheet 4: Requirements for rigid laminated sheets based on phenolic resins (includes corrigendum:1995) (IEC 893-3-4:1993) Spcification pour les stratifis industriels rigides en planches base de rsines thermod
19、urcissables usages lectriques Partie 3: Spcifications pour matriaux particuliers Feuille 4: Prescriptions pour les stratifis rigides en planches base de rsine phnolique (CEI 893-3-4:1993) Bestimmung fr Tafeln aus technischen Schichtprestoffen auf der Basis wrmehrtbarer Harze fr elektrotechnische Zwe
20、cke Teil 3: Bestimmungen fr einzelne Werkstoffe Blatt 4: Anforderungen fr Schichtprestofftafeltypen auf der Basis von Phenolharz (IEC 893-3-4:1993) This European Standard was approved by CENELEC on 1994-12-06. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipul
21、ate 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 may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard
22、 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 the Central Secretariat has the same status as the official versions. CENELEC members are the national
23、electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisatio
24、n Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. EN 60893-3-4:1995 + corrigendum:1995 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Unco
25、ntrolled Copy, (c) BSI EN 60893-3-4:1995 BSI 08-1999 2 Foreword The text of the International Standard IEC 893-3-4:1993, prepared by SC 15C, Specifications, of IEC TC 15, Insulating materials, was submitted to the formal vote and was approved by CENELEC as EN 60893-3-4 on 6 December 1994 without any
26、 modification. The following dates were fixed: Annexes desingated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. latest date by which the EN has to be implemented at national level by publication of an identical national
27、 standard or by endorsement(dop) 1995-12-15 latest date by which the national standards conflicting with the EN have to be withdrawn(dow) 1995-12-15 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60893-3-4:1995 BSI 08-19993 Introduction
28、This International Standard is one of a series which deals with industrial rigid laminated sheets based on thermosetting resins for electrical purposes. Insofar as technical considerations permit, this standard repeats (recapitulates) a classification of laminates similar to that of ISO 1642. The se
29、ries consists of three Parts: Part 1: Definitions, designations and general requirements (IEC 893-1); Part 2: Methods of test (IEC 893-2); Part 3: Specifications for individual materials (IEC 893-3). This standard contains one of the sheets comprising Part 3, as follows: Sheet 4: Requirements for ri
30、gid laminated sheets based on phenolic resins. 1 General 1.1 Scope This International Standard gives the requirements for industrial rigid laminated sheets for electrical purposes based on phenolic resins and different reinforcements. Applications and distinguishing properties are given in Table 1.
31、According to part 1: (IEC 893-1), the individual types are designated by a first group of two letters for resin (e.g. PF for phenolic), a second group of two letters for the reinforcement followed by a serial number of three digits. The abbreviations are given in part 1. 1.2 Normative references The
32、 following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this Inter
33、national Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC 249, Base materials for printed circuits. IEC 893-1:1987, Specifi
34、cation for industrial rigid laminated sheets based on thermosetting resins for electrical purposes Part 1: Definitions, designations and general requirements. IEC 893-2:1992, Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes Part 2: Methods of
35、test. ISO 1642:1987, Plastics Industrial laminated sheets based on thermosetting resins Specification. 2 Designation The laminated sheets shall be identified by the designation which follows: IEC 893-3-4 Resin abbreviation Reinforcement abbreviation Serial number Nominal thickness in millimetres. Ex
36、ample: IEC 893-3-4-PF CP 201-2,5 3 Requirements In addition to the general requirements given in IEC 893-1, the laminated sheets shall also comply with the dimensional requirements given in Table 2, Table 3, and Table 4 as well as with the other requirements given in Table 5. Licensed Copy: sheffiel
37、dun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60893-3-4:1995 4 BSI 08-1999 Table 1 Types of industrial rigid laminated sheets based on phenolic resins Type designationaExamples of applications and distinguishing characteristics PF CP 201 PF CP 202 PF CP 203 P
38、F CP 204 PF CP 205 PF CP 206 PF CP 207 PF CP 308 PF CC 201 PF CC 202 PF CC 203 PF CC 204 PF GC 201 PF WV 201 PF WV 202 PF WV 303 PF WV 304 Mechanical applications. Mechanical properties better than other PF CP types. Poor electrical properties under normal humidity. Also available in hot-punching ve
39、rsions High voltage applications at power frequencies. High electric strength under oil. Good electric strength in air under normal humidity Mechanical and electrical applications. Good electrical properties under normal humidity. Also available in hot-punching versions Electrical and electronic app
40、lications. Good stability of electrical properties under high humidity. Available in cold or hot-punching versions Similar to Type PF CP 204 but of defined flammability Mechanical and electrical applications. Good electrical properties under high humidity. Also available in hot-punching versions Sim
41、ilar to Type PF CP 201, but with improved punching characteristics at lower temperatures Similar to Type PF CP 206 but of defined flammability Mechanical applications (coarse weaveb) but with poor electrical properties Mechanical and electrical applications (coarse weaveb) but with poor electrical p
42、roperties Mechanical applications (fine weaveb) but with poor electrical properties Mechanical and electrical applications (fine weaveb) but with poor electrical properties. Recommended for small parts (as in type PF CC 203) Mechanical and electrical applications. High mechanical strength and good e
43、lectrical properties under normal humidity. Heat resistant Cross plied. Mechanical applications. Good mechanical properties Cross plied. Mechanical and electrical applications. Good electrical properties under normal humidity Parallel plied. Mechanical applications. Good mechanical properties Parall
44、el plied. Mechanical and electrical applications. a The following abbreviations are used in this standard: CC = woven cotton cloth GC = woven glass cloth CP = cellulose paper PF = phenolic WV = wood veneer b Fabric weaves of type CC reinforcements: Mass per unit area (g/m2) Thread count (cm1) Coarse
45、 weave 130k 30 Fine weavek 130 30 These values are only for information. They are not to be considered as specification values. In general, the finer weave materials give the best machining characteristics. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled
46、Copy, (c) BSI EN 60893-3-4:1995 BSI 08-19995 Table 2 Tolerances on thickness ( mm) (Test method: see 4.1 of IEC 893-2) Nominal thickness mm PF CP all types PF CC 202 PF CC 201 PF CC 204 PF CC 203 PF GC 201 PF WV all types 0,4 0,5 0,6 0,07 0,08 0,09 0,13 0,14 0,10 0,12 0,13 0,8 1,0 1,2 0,10 0,12 0,14
47、 0,19 0,20 0,22 0,15 0,16 0,17 0,16 0,18 0,21 1,6 2,0 2,5 0,16 0,19 0,22 0,24 0,26 0,29 0,19 0,21 0,24 0,24 0,28 0,33 3,0 4,0 5,0 0,25 0,30 0,34 0,31 0,36 0,42 0,26 0,32 0,36 0,37 0,45 0,52 6,0 8,0 10,0 0,37 0,47 0,55 0,46 0,55 0,63 0,40 0,49 0,56 0,60 0,72 0,82 12,0 14,0 16,0 0,62 0,69 0,75 0,70 0,
48、78 0,85 0,64 0,70 0,76 0,94 1,02 1,12 1,25 1,35 1,45 20,0 25,0 30,0 0,86 1,00 1,15 0,95 1,10 1,22 0,87 1,02 1,12 1,30 1,50 1,70 1,60 1,80 2,00 35,0 40,0 45,0 1,25 1,35 1,45 1,34 1,45 1,55 1,24 1,35 1,45 1,95 2,10 2,30 2,10 2,25 2,40 50,0 60,0 70,0 1,55 1,65 1,55 2,45 2,50 2,80 3,00 80,0 90,0 100,0 3
49、,25 3,60 3,75 NOTE 1Other tolerances may be agreed between the supplier and the purchaser (for example, those given in IEC 249). NOTE 2Where the nominal thickness is not one of the preferred thicknesses listed, then the tolerance for the next highest preferred nominal thickness shall apply. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 15:18:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60893-3-4:199