1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12026 : 1997 The Eu
2、ropean Standard EN 12026 : 1996 has the status of a British Standard ICS 55.040; 83.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Self adhesive tapes Measurement of the unwinding force at high speedBS EN 12026 : 1997 This British Standard, having been prepared under the
3、direction of the Consumer Products and Services Sector Board, was published under the authority of the Standards Board and comes into effect on 15 February 1997 BSI 1997 The following BSI references relate to the work on this standard: Committee reference PKW/3 Draft for comment 92/42642 DC ISBN 0 5
4、80 26798 9 Amendments issued since publication Amd. No. Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PKW/3, Distribution packaging, transport packaging and unit loads, upon which the following bodies
5、 were represented: British Adhesives and Sealants Association British Apparel and Textile Confederation British Coatings Federation Ltd. British Fibreboard Packaging Association British Glass Manufacturers Confederation British Industrial Truck Association British Plastics Federation British Retail
6、Consortium British Rubber Manufacturers Association Ltd. British Tensional Strapping Association Ltd. British Timber Merchants Association British Wood Preserving and Damp-proofing Association Chamber of Shipping Chemical Industries Association China Clay Association Cranfield Logistics Department o
7、f Transport Engineering Equipment and Materials Users Association Federation of the Electronics Industry Flexible IBC Association Food and Drink Federation Independent Pallet Repair Committee Institute of Grocery Distribution Metal Packaging Manufacturers Association Ministry of Defence National Ass
8、ociation of Pallet Distributors Power Fastenings Association Pira International Road Haulage Association Ltd. Society of Occupational Medicine Storage Equipment Manufacturers Association Timber Packaging and Pallet Confederation Timber Research and Development Association United Kingdom Softwood Saw
9、millers Association 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 Sensit
10、ive Manufacturers AssociationBS EN 12026 : 1997 BSI 1997 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 12026 3ii BSI 1997 BS EN 12026 : 1997 National foreword This British Standard has been prepared by Technical Committee PKW/3 and is the Englis
11、h language version of EN 12026 : 1996 Self adhesive tapes Measurement of the unwinding force at high speed, published by the European Committee for Standardization (CEN). Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comp
12、rises a front cover, an inside front cover, pages i and ii, pages 1 to 4, an inside back cover and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright rese
13、rved to CEN members Ref. No. EN 12026 : 1996 E EUROPEAN STANDARD EN 12026 NORME EUROPE ENNE EUROPA ISCHE NORM May 1996 ICS 83.180 Descriptors: Adhesive tapes, unwinding, tests, tensile strength English version Self adhesive tapes Measurement of the unwinding force at high speed Rubans auto-adhe sifs
14、 Mesure de la force de de roulement a grande vitesse Klebeba nder Messung der Abrollkraft bei hoher Geschwindigkeit This European Standard was approved by CEN on 1996-04-19. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europ
15、ean 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 CEN member. This European Standard exists in three official versions (English,
16、 French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finla
17、nd, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12026 : 1996 BSI 1997 Foreword This European Standard has been prepared by the Technical Committee CEN/TC 253, Self adhesive tapes, the Secretariat
18、 of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 1996, and conflicting national standards shall be withdrawn at the latest by November 1996. According to the CE
19、N/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland a
20、nd the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Principle 3 3 Apparatus 3 4 Test pieces 3 5 Procedure 3 6 Expression of results 3 7 Test report 3Page 3 EN 12026 : 1996 BSI 1997 1 Scope This standard specifies a method to measure the force required to unwind a roll of adhesive tape at hig
21、h speed under prescribed conditions. 2 Principle Mount a roll of adhesive tape on a core which can rotate without noticeable friction, joined to a suitable testing machine which enables the adhesive tape to be unwound at a constant speed and determine the unwinding force required under the test cond
22、itions. 3 Apparatus Unwinding equipment: Consisting of a machine allowing adhesive tapes to be unwound at a constant speed under the following conditions: unwinding speed: can vary between 15 m/min to 120 m/min 3 %. Where there is no variable speed, the following speed will be predetermined: 30 m/mi
23、n 3 % and 60 m/min 3% ; a measurement scale reading: at least 0 to 10 N; 0 to 100 N maximum, capable of being read to the nearest 50 cN; the accuracy of the equipment shall be 1 % of the range of the measurement scale. 4 Test pieces The test pieces shall consist of rolls of adhesive tape typically m
24、easuring between 6 mm and 50 mm in width and at least 100 m long. The rolls to be tested shall be conditioned for 24 h at 23 C 2 C and 50 % 5 % relative humidity prior to testing. Discard the first 3 turns of each roll before testing. 5 Procedure 5.1 Standard test conditions The test shall be carrie
25、d out at 23 C 2C and 50 % 5 % relative humidity. 5.2 Place the roll on the unwinding machine. Fix the free end into the clamp provided and start unwinding at the desired speed. 5.3 Read the unwinding force required every 15 s from the beginning of the unwinding process. Make at least 3 readings. 6 E
26、xpression of results 6.1 Record the average of the values taken as being the value of the unwinding force. 6.2 Express the results in N/cm width of adhesive tape, recording the unwinding speed used and the diameter of the core. 7 Test report The test report shall include the following information: a
27、) a reference to this European Standard; b) all information necessary to identify the test sample; c) the date of the test; d) the results obtained; e) any operation not specified in this European Standard, which may influence the results.BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | |
28、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national
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