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
20、SI 389 Chiswick High Road London w4 4AL 3SI - British Standards Institution SI is the independent national body responsible for preparing British Standards. It resents the UK view on standasds in Europe and at the international level. It is icorporated by Royal Chaster. :ontract requirements L Briti
21、sh Standard does not purport to include ali the necessary provisions of a ontract. Users of British standards are responsible for their correct application. tevisions Sritish Standards are updated by amendment or revision. Users of British Standards hould make sure that they possess the latest amend
22、ments or editions. t is the constant aim of BSI to improve the quality of our products and services. We vould be grateful if anyone finding an inaccuracy or ambiguity while using this 3ritish Standard would inform the Secretary of the responsible technical committee, he identity of which can be foun
23、d on the inside front cover. Tek O181 996 9000; Fax: i181 996 7400. 3SI offers members an individual updating service called PLUS which ensures that iubscribers automaticaliy receive the latest editions of smks. 3uying standards kders for all BSI, international and foreign standards publications sho
24、uld be iddressed to Customer Services, Sales Department at Chiswick Tel 0181 996 7000; ?ax: 0181 996 7001. n response to orders for inkrnational standards, it is BSI policy to supply the BSI mplementation of those that have been published as British Standards, unless Ithenvise requested. Information
25、 on standards BSI provides a wide range of information on national, European and intemational Fax: O181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits c
26、ontact Customer Services, Membership at Chiswick Tel O181 996 7002; Fax: O181 996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standarmon bodies. Except as permitted under the Copyright, Designs and Pate
27、nts Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means - electronic, photocopying, recording or otherwise - without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of neces
28、sary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementaton then the prior written permission of BSI must be obtained. If permision is granted, the krms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager, BSI, 389 Chiswick High Road, London W4 4AL ISBN O 580 26227 8 PKwI3
