EN 60454-2-2007 en Pressure-sensitive adhesive tapes for electrical purposes - Part 2 Methods of test《电气用压敏胶带 第2部分 试验方法》.pdf

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1、BRITISH STANDARDBS EN 60454-2:2007Pressure-sensitive adhesive tapes for electrical purposes Part 2: Methods of testThe European Standard EN 60454-2:2007 has the status of a British StandardICS 17.220.99; 29.035.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g

2、44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60454-2:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2007 BSI 2007ISBN 978 0 580 53517 8National foreword

3、This British Standard is the UK implementation of EN 60454-2:2007. It is identical to IEC 60454-2:2007. It supersedes BS EN 60454-2:1995 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee GEL/15, Solid electrical insulating materials, to Subcommittee GEL/

4、15/3, Material specifications.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 British Standar

5、d cannot confer immunity from legal obligations. Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 60454-2 NORME EUROPENNE EUROPISCHE NORM September 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europi

6、sches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60454-2:2007 E ICS 17.220.99; 29.035.20 Supersedes EN 60454-2:1995English v

7、ersion Pressure-sensitive adhesive tapes for electrical purposes - Part 2: Methods of test (IEC 60454-2:2007) Rubans adhsifs sensibles la pression usages lectriques - Partie 2: Mthodes dessai (CEI 60454-2:2007) Selbstklebende Bnder fr elektrotechnische Anwendungen - Teil 2: Prfverfahren (IEC 60454-2

8、:2007) This European Standard was approved by CENELEC on 2007-09-01. 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 bibliogra

9、phical 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 translation under the responsibility of

10、 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, Finland, France, Germany, Greece, Hu

11、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 60454-2:2007 2 Foreword The text of document 15/377/FDIS, future edition 3 of IEC 60454-2, prepared by I

12、EC TC 15, Solid electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60454-2 on 2007-09-01. This European Standard supersedes EN 60454-2:1995. This revision includes improved text regarding the flame test (Clause 20), improved text on adhe

13、sion (Clause 11) and new Figures 9a and 9b. 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) 2008-06-01 latest date by which the national standards conflicting with the EN have

14、 to be withdrawn (dow) 2010-09-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60454-2:2007 was approved by CENELEC as a European Standard without any modification. _ 3 EN 60454-2:2007 CONTENTS 1 Scope 6 2 Normative references .6 3 Conditioning

15、and specimen preparation.7 4 Determination of thickness7 4.1 Test apparatus 7 4.2 Test specimens .7 4.3 Procedure .7 4.4 Results7 5 Determination of width 7 5.1 Method A.7 5.2 Method B.8 5.3 Method C 8 6 Determination of roll length.9 6.1 Principle9 6.2 Method A Measurement of turns method .9 6.3 Me

16、thod B Length sensor method.10 7 Corrosion-related properties .10 7.1 General .10 7.2 Preparation of water extract for pH and conductivity determinations10 7.3 Determination of pH value of water extract .11 7.4 Determination of conductivity of water extract.11 7.5 Detection of corrosive sulfur 12 7.

17、6 Insulation resistance method13 7.7 Visual method .13 7.8 Wire tensile strength method13 8 Tensile strength and elongation at break.14 8.1 Apparatus14 8.2 Test specimens .14 8.3 Procedure .14 8.4 Results14 9 Low-temperature properties 14 9.1 Principle14 9.2 Test specimen .15 9.3 Procedure .15 9.4 F

18、lexibility.15 9.5 Electric strength 15 9.6 Results15 10 Resistance to penetration at elevated temperatures 16 10.1 Apparatus16 10.2 Test specimens .16 10.3 Procedure .16 10.4 Results16 EN 60454-2:2007 4 11 Adhesion16 11.1 Principle16 11.2 Materials .17 11.3 Apparatus17 11.4 Test samples and test pie

19、ces.18 11.5 Procedure .19 11.6 Expression of results .19 12 Adhesion to backing at low temperatures 20 12.1 Test specimens .20 12.2 Procedure .20 12.3 Results20 13 Shear adhesion to backing after liquid immersion 20 13.1 Apparatus20 13.2 Test specimens .20 13.3 Procedure .21 13.4 Results21 14 Curing

20、 properties of thermosetting adhesive tapes 21 14.1 Bond separation during thermal treatment (adhesive to backing) 21 14.2 Bond separation after thermal treatment (adhesion to backing).21 15 Flagging tests.22 15.1 Principle22 15.2 Apparatus22 15.3 Test specimens .22 15.4 Preparation of specimens for

21、 test.23 15.5 Test conditions 23 15.6 Results23 16 Water vapor permeability 23 16.1 Apparatus23 16.2 Test specimens .23 16.3 Procedure .24 16.4 Results24 17 Electric strength .24 17.1 General .24 17.2 Test specimens .24 17.3 Procedure .24 17.4 Results24 18 Electric strength after humid conditioning2

22、5 19 Resistance to flame propagation .25 19.1 Principle25 19.2 Apparatus25 19.3 Test specimen .25 19.4 Procedure .26 19.5 Results26 20 Flame test 26 20.1 Principle26 20.2 Apparatus27 20.3 Preparation of test specimen27 20.4 Procedure .28 5 EN 60454-2:2007 20.5 Results28 21 Thermal endurance.28 21.1

23、Determination of thermal endurance (based on IEC 60216-1 and IEC 60216-2).28 21.2 Voltage breakdown 29 21.3 Loss of mass .30 Annex A (normative) Rollers to be used in various tests39 Annex ZA (normative) Normative references to international publications with their corresponding European publication

24、s41 Bibliography .40 Figure 1 Measuring device for determination of roll length of tape (measurement of turns method) .31 Figure 2 Measuring device for determination of roll length of tape (length sensor method)31 Figure 3 Sequence of bends.32 Figure 4 Dielectric strength test in water.32 Figure 5 S

25、ketch of penetration tester33 Figure 6 Steel test plate .34 Figure 7 Arrangement for stripping the tape from the plate34 Figure 8 Flagging test Preparation of test specimen.35 Figure 9a Draught protection device .36 Figure 9b Use of Bunsen burner and sliding plate with draught protection device 36 F

26、igure 9 Flame test enclosures 36 Figure 10 Essential dimensions for flame test (proportions exaggerated for clarity of details) .37 Figure 11 Dimensions of wedge .38 Table 1 Conditioning for low temperature properties .15 EN 60454-2:2007 6 PRESSURE-SENSITIVE ADHESIVE TAPES FOR ELECTRICAL PURPOSES Pa

27、rt 2: Methods of test 1 Scope This part of IEC 60454 specifies methods of test for pressure-sensitive adhesive tapes for electrical purposes. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited

28、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60216-1:2001, Electrical insulating materials Properties of thermal endurance Part 1: Ageing procedures and evaluation of test results IEC 60216-2:2005, Electrical insulating mater

29、ials Thermal endurance properties Part 2: Determination of thermal endurance properties of electrical insulating materials Choice of test criteria IEC 60216-3:2006, Electrical insulating materials Thermal endurance properties Part 3: Instructions for calculating thermal endurance characteristics IEC

30、 60243-1:1998, Electrical strength of insulating materials Test methods Part 1: Tests at power frequencies IEC 60426:2007, Test methods for determining electrolytic corrosion with insulating materials IEC 60454-3 (all parts), Pressure-sensitive adhesive tapes for electrical purposes Part 3: Specific

31、ations for individual materials IEC 60589:1977, Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids ISO 383: 1976, Laboratory glassware Interchangeable conical ground joints ISO 527-3:1995, Plastics Determination of tensile properti

32、es Part 3: Test conditions for films and sheets ISO 2194:1991, Industrial screens Woven wire cloth, perforated place and electroformed sheet Designation and nominal sizes of openings ISO 3071:2005, Textiles Determination of pH of the aqueous extract ISO 3599:1976, Vernier callipers reading to 0,1 an

33、d 0,05 mm ISO 10093:1998, Plastics Fire tests Standard ignition sources EN 1939:2003, Self-adhesive tapes Determination of peel adhesion properties (The peel adhesion test method of Clause 11 is based on test method A of EN 1939:2003. This standard is the result of the harmonisation of AFERA 5001 an

34、d PSTC-1,2,3 and 4, ASTM 3330/D, ASTM 3330/M and agreed by JATMA.) NOTE EN: European Norm (Europe) AFERA: Association des fabricants europens de rubans auto-adhsifs PSTC: Pressure sensitive tape council (USA) ASTM: American society for testing and materials (USA) JATMA: Japanese adhesive tapes manuf

35、acturers association. 7 EN 60454-2:2007 3 Conditioning and specimen preparation Unless otherwise specified, rolls are to be conditioned for at least 24 h at (23 2) C and (50 5) % relative humidity and all test procedures are to be carried out in this atmosphere. Remove and discard the three outer tu

36、rns before taking any test specimens from the conditioned roll. Specimen preparation shall be done with care in a clean environment. Specific specimen preparation details will be included with the appropriate test method. Further conditioning of test specimens may be required. 4 Determination of thi

37、ckness 4.1 Test apparatus A dead-weight thickness gauge having two ground and concentric circular surfaces, flat within 0,001 mm and parallel to within 0,003 mm. The upper surface shall be 6 mm to 8 mm in diameter and the lower surface larger than the upper one. The upper surface shall move on the a

38、xis perpendicular to the two faces. The gauge shall be graduated to read directly to 0,002 mm. The frame of the thickness gauge shall be of such rigidity that a load of 15 N applied to the gauge housing, out of contact with either the weight or the pressure foot spindle, will produce a deflection of

39、 the frame not greater than 0,002 mm (as indicated on the thickness gauge). The pressure exerted on the specimen shall be (50 5) kPa. The accuracy of the thickness gauge shall be checked frequently by means of a set of steel gauges; the measuring errors of the thickness gauge shall not exceed 0,005

40、mm. 4.2 Test specimens Five specimens, at least 75 mm long, are cut from the roll at intervals not less than 300 mm. The specimen shall be allowed to relax for at least 5 min. 4.3 Procedure Place the test specimen between the jaws of the thickness gauge in contact with the fixed foot. Take care to e

41、nsure that no air bubbles are trapped. Lower the moving pressure foot gently on to the surface of the tape and take the reading on the gauge within 2 s. Read the measurement to the nearest 0,002 mm on the thickness gauge scale. 4.4 Results Report the central value as well as the maximum and minimum

42、values of the five readings of thickness in millimetres. 5 Determination of width 5.1 Method A 5.1.1 Use a steel rule graduated to 0,5 mm. The total measuring error of the rule shall not exceed 0,1 mm. 5.1.2 A specimen of tape, at least 450 mm long, is removed from the roll and placed adhesive side

43、up on a smooth flat surface. The specimen shall be allowed to relax for at least 5 min. EN 60454-2:2007 8 The width of the relaxed specimen is measured with the adhesive side down to the nearest 0,5 mm using the rule. Ten measurements shall be made, uniformly distributed along the length of the spec

44、imen. The width shall be the mean value of the ten measurements. 5.2 Method B 5.2.1 Principle The adhesive tape roll is placed between the jaws of a pair of calipers. The width is the perpendicular distance, expressed in millimetres, between the opposite cut edges of the test specimen of adhesive ta

45、pe. This method may not be suitable for slit or rewound rolls if the turns are not exactly coincident. 5.2.2 Apparatus Vernier calipers with a scale length not less than the roll width according to ISO 3599. 5.2.3 Test specimen One roll of tape. 5.2.4 Conditioning Conditioning shall conform to Claus

46、e 3 with the exception that it is not necessary to remove any layers unless damaged. 5.2.5 Procedure Hold the roll so that the cut edges are in a vertical plane. If the outer turns of the tape on the roll have crushed or damaged cut edges, these should be discarded prior to measurement. Hold the cal

47、ipers so that the scale shaft is in the horizontal plane. Carefully close the caliper jaws so as to just touch the cut edges of the outer turns of the roll of tape, taking the following precautions: a) do not crush the roll edges; b) ensure that calliper jaws are perpendicular to cut edges. Measure

48、the roll width in millimetres to the nearest 0,1 mm. Carry out two further measurements at equally spaced intervals around the circumference. 5.2.6 Results Report the mean value as the width of tape in millimetres. 5.3 Method C This method will only be used where a very high degree of accuracy is re

49、quired. Use a travelling microscope with a vernier control on one axis which has an accuracy of 0,001 mm. Using the specimen obtained and relaxed as in 5.1.2, measure the width to the nearest 0,01 mm, taking ten measurements. The width of the tape is taken as the mean value in milimetres. 9 EN 60454-2:2007 6 Determination of roll length 6.1 Principle The length can be calculated from a measurement of the number of turns of tape on

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