1、BS EN 12375:2009ICS 55.120NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDPackaging Flexiblealuminium tubes Wall thicknessdetermination methodThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 May 2009 BSI 20
2、09ISBN 978 0 580 58509 8Amendments/corrigenda issued since publicationDate CommentsBS EN 12375:2009National forewordThis British Standard is the UK implementation of EN 12375:2009. Itsupersedes BS EN 12375:1998 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalComm
3、ittee PKW/0/-/10, Plastics.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard can
4、not confer immunityfrom legal obligations.BS EN 12375:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12375April 2009ICS 55.120 Supersedes EN 12375:1998 English VersionPackaging - Flexible aluminium tubes - Wall thicknessdetermination methodEmballage - Tubes souples en aluminium - Mthode dedte
5、rmination de lpaisseur de paroiPackmittel - Aluminiumtuben - Bestimmung derManteldickeThis 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 EuropeanStandard the status of a
6、national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 i
7、n any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, E
8、stonia, 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 STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPI
9、SCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12375:2009: EBS EN 12375:2009EN 12375:2009 (E) 2 Contents Page Foreword . 3 1 Scope . 4 2 Normative ref
10、erences . 4 3 Principle . 4 4 Apparatus 4 5 Procedure 4 6 Test report . 5 BS EN 12375:2009EN 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 s
11、tatus 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
12、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 Intern
13、al 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, Malt
14、a, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 12375:2009EN 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 t
15、ubes 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, th
16、e 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
17、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 en
18、amel 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 al
19、l 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 tubes circumference. The value of the t
20、hickness shall be established as a mean value from at least three measurement points per sample and indicated with an accuracy of 0.01 mm. BS EN 12375:2009EN 12375:2009 (E) 5 6 Test report The test report shall contain the following information: a) reference to this standard and, if necessary a spec
21、ification 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
22、 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 spe
23、cified in this standard; j) date, place of test and name of tester. BS EN12375:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for preparing BritishStandards.
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