EN 1940-1996 en Self Adhesive Tapes - Measurement of Breaking Strength《自胶粘带 抗断强度的测量》.pdf

1、 BSI BS*EN*1740 76 1b24b67 0567724 106 BRITISH STANDARD Self adhesive tapes - Measurement of breaking strength * u) * The European Standard EN 1940 : 1996 has the status of a British Standard ICs 83.180 BS EN 1940 : 1996 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI BS*E

2、N*1940 96 1624669 05b7725 042 Amd. No. BS EN 1940 : 1996 Date Text affected This British Standard, having been prepared under the direction of the Consumer Products and Services Sector Board, was published under the authority of the Standards hard and comes into effect on 15 October 1996 O ES1 1996

3、Committees responsible for this British Standard The prepdon of this British Standard was entrusted to Technical Committee PKWB, Distribution packaging, transport, packaging and unit loads, upon which the following bodies were represented British Adhesives and Sealants Association British Apparel an

4、d Textile Confederation British Carton Association British Coatings Federation Ltd. British Fibreboard Packaging Association British Glass Manufacturers Confederation British Industria Truck Association British Plastics Federation British Retail Consortium British Rubber Manufacturers Association LM

5、. British Tensional Strapping Association Ltd. British Timber Merchants Association British Wood Preserving and Damp-proofing Chamber of Shipping Chemical Industries Association China Clay Association Cdeld Logistics Department of Ransport Engineering Equipment and Materials Users Federation of the

6、Electronics industry Flexible IBC Association Food and Drink Federation Independent Pallet Repair Committee institute of Grocery Distribution Metal Packaging Manufacturem Association Ministry of Defence National Association of Pallet Distributors Power Fastenings Association Pira International Road

7、Haulage Association Ltd. Society of Motor Manufacturem and Traders Storage Equipment Manufacturers Association Timber Packaging and Pallet Confederation Timber Research and Development United Kingdom Softwood Sawmillers Association Association Ltd. Association Association Amendments issued since pub

8、lication The following bodies were also represented in the drafting of the standard, through subcommittees and panels: Adhesive Tape Manufacturers Association British Footwear Manufacturers Federation British Steel industry (Wire Section) Packaging Distributors Association Pressure Sensitive Manufac

9、turers Association The following BSI references relate to the work on this standard: Committee reference PKW/3 Draft for comment 92/42617 DC I l ISBN O 580 26227 8 I l BSI BS*EN*KLLiO b Lb24bb9 05b7726 T89 m BS EN 1940 : 1996 Contents Page Committees responsible Inside front cover National foreword

10、ii Foreword 2 Text of EN 1940 3 O BSI 1996 i BSI BS*EN*L40 b = Lb24669 0567727 915 = BS EN 1940 : 1996 National foreword This British standard has been prepared by Technical Committee PKWB and is the English language version of EN 1940 : 1996 Self adhesive D EN 1940 NORME EUROPENNE EUROPEN European

11、Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1060 Brussels O 1996 AU rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN 1940 : 19

12、96 E BSI BSUENULSYO 96 W 1624669 0567729 798 Page 2 EN1940:1996 Foreword This European Standard has been prepared by Technical Committee CEN/“C 253, Self adhesive tapes, of which the Secretariat is held by AFNOR. This European standard shall be given the status of a national standard, either by publ

13、ication of an identical text or by endorsement, at the latest by August 1996, and conflicting national stands shall be withrawn at the latest by August 1996. According to the CENKENELEC Internal Regulations, the foliowing countries are bound to implement this European Standard: AustSia, Belgim, Denm

14、ark, Finland, Flance, Germanx Greece, Iceland, ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Foreword 1 Scope 2 Denition 3 Principle 4 - the scale shall be such that the readings obtained are between 15 % and 85 % of the comple

15、te scale; - the clamps shall be serrated to prevent slipping or tearing of the adhesive tape; - if a pendulum machine is used, ensure that the pendulum can swing freely 6 lkst sample and test pieces Condition the sample roll for 24 hours at 23 “C f 2 “C and 50 % * 5 % relative humidity. Discard the

16、3 outer turns of adhesive tape from the roll. We from each roll 5 test pieces. Each test piece shali be 200 mm long and the same width as the adhesive tape. For widths greater than 25 nun, a test piece 25 mm wide shall be cut longitudinally from the adhesive tape. Use a sharp knife to obtain clean-c

17、ut edges. 6 Procedure 6.1 The test shall be carried out at the standard conditions of 23 “C f 2 “C and 50 % f 5 % relative humidity. 6.2 Remove the test pieces radially from the roll at an approximate speed of 300 mm/s, then condition for a further 2 h in the standard test conditions in order to rem

18、ove ai stsain and distortion due to mhg. 6.3 Set the clamps 100 mm apart. Clamp the test piece firmly so that the longitudinal axis is vertical and in line with the direction of the applied force. Check that the clamps move in the same plane and parailel to the applied force and that the speed of se

19、paration is 300 mm/min f 30 b) all information necessary to identjfy the test sample; c) the type of tensile testing machine used; d) the date of the test; e) the result obtained; f) any operation not specified in this European Standard which can influence the results. o BSI 1996 BS EN 1940 : 1996 B

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