BS-EN-12375-2009.pdf

BS EN 12375:2009 ICS 55.120 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Packaging Flexible aluminium tubes Wall thickness determination method Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2009 © BSI 2009 ISBN 978 0 580 58509 8 Amendments/corrigenda issued since publication DateComments BS EN 12375:2009 National foreword This British Standard is the UK implementation of EN 12375:2009. It supersedes BS EN 12375:1998 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PKW/0/-/10, Plastics. 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 Standard cannot confer immunity from legal obligations. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI BS EN 12375:2009 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 12375 April 2009 ICS 55.120Supersedes EN 12375:1998 English Version Packaging - Flexible aluminium tubes - Wall thickness determination method Emballage - Tubes souples en aluminium - Méthode de détermination de l'épaisseur de paroi Packmittel - Aluminiumtuben - Bestimmung der Manteldicke This European Standard was approved by CEN on 19 March 2009. CEN 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 bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN 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 a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels © 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12375:2009: E Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI BS EN 12375:2009 EN 12375:2009 (E) 2 Contents Page Foreword . 3 1 Scope . 4 2 Normative references . 4 3 Principle . 4 4 Apparatus 4 5 Procedure 4 6 Test report . 5 Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI BS EN 12375:2009 EN 12375:2009 (E) 3 Foreword This document (EN 12375:2009) has been prepared by Technical Committee CEN/TC 261 “Packaging”, the secretariat 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 October 2009, and conflicting national standards shall be withdrawn at the latest by October 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12375:1998. It is based on the professional recommendations of the European Tube Manufacturers Association (ETMA). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI BS EN 12375:2009 EN 12375:2009 (E) 4 1 Scope This standard specifies a method of determination of the thickness of the tube body material of aluminium tubes. It is applicable to tubes used for packing pharmaceutical, cosmetic, hygiene, food and other domestic and industrial products. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13046, Packaging - Flexible cylindrical metallic tubes - Dimensions and tolerances EN 13047, Packaging - Flexible conical metallic tubes - Dimensions and tolerances 3 Principle The measurement of the thickness of the tube wall on prepared samples using a micrometer or a comparable measuring appliance. 4 Apparatus 4.1 Measuring device (e.g. a micrometer with one flat and one spherical face) accurate to 0,001 mm 4.2 Scissors 4.3 Plastics cylinder, round and smooth 4.4 Solvent, capable of dissolving any external enamel from the surface of tubes 5 Procedure 5.1 Preparation of samples Using the scissors, cut the tube bodies lengthwise. Then cut the shoulders from the tubes. Dissolve any external enamel from the tube bodies with the solvent (any lacquer film on the inside of the tube is ignored). When free of all enamel, flatten the tube bodies with a plastic cylinder against a flat hard surface. 5.2 Measurement procedure Measure the wall thickness with the micrometer at a distance of approximately 10 mm from the tube end at three points evenly distributed around the tube's circumference. The value of the thickness shall be established as a mean value from at least three measurement points per sample and indicated with an accuracy of 0.01 mm. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:02, Uncontrolled Copy, (c) BSI BS EN 12375:2009 EN 12375:2009 (E) 5 6 Test report The test report shall contain the following information: a) reference to this standard and, if necessary a specification for the method of sampling and acceptance of the batch; b) complete identification of the batch and of the tubes checked; c) nature of the material; d) test temperature; e) name of the test instrument; f) results of the measurements with indication of the position of the points checked and the number of the measurements; g) number of results falling outside the standard specified limits set out in EN 13046 and EN 13047; h) if applicable, acceptance or refusal of the batch depending on the specifications (see a); i) all factors which can have affected the results and which are not specified in this standard; j) date, place of test and name of tester. 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