1、BS EN 15766:2009ICS 55.120NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDPackaging Flexiblealuminium tubes Test methodsto determine thepolymerization of theinternal coating withacetoneThis British Standardwas published under theauthority of the StandardsPolicy
2、and StrategyCommittee on 30 June2009. BSI 2009ISBN 978 0 580 61144 5Amendments/corrigenda issued since publicationDate CommentsBS EN 15766:2009National forewordThis British Standard is the UK implementation of EN 15766:2009.The UK participation in its preparation was entrusted to TechnicalCommittee
3、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 cannot co
4、nfer immunityfrom legal obligations.BS EN 15766:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15766May 2009ICS 55.120English VersionPackaging - Flexible aluminium tubes - Test methods todetermine the polymerization of the internal coating with acetoneEmballage - Tubes souples en aluminium -
5、Mthodesdessai visant vrifier la polymrisation du revtementinterne lactonePackmittel - Aluminiumtuben - Prfverfahren zurBestimmung der Polymerisation der Innenbeschichtung mitAcetonThis European Standard was approved by CEN on 23 April 2009.CEN members are bound to comply with the CEN/CENELEC Interna
6、l Regulations which stipulate the conditions for giving this EuropeanStandard the status of a 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.T
7、his European Standard exists in three official versions (English, French, German). A version in 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 t
8、he 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
9、 and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES 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 15766:200
10、9: EBS EN 15766:2009EN 15766:2009 (E) 2 Contents Page Foreword 31 Scope 42 Principle 43 Test device/Test media .44 Procedure .45 Evaluation of results .46 Test report 5BS EN 15766:2009EN 15766:2009 (E) 3 Foreword This document (EN 15766:2009) has been prepared by Technical Committee CEN/TC 261 “Pack
11、aging”, 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 November 2009, and conflicting national standards shall be withdrawn at the latest by November 20
12、09. 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. According to the CEN/CENELEC Internal Regulations, the national standards organiza
13、tions 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, Roman
14、ia, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 15766:2009EN 15766:2009 (E) 4 1 Scope This standard specifies a method for the determination of the polymerization of the internal coating of aluminium tubes with acetone. 2 Principle Epoxy phenolic internal coatings ar
15、e mostly used as internal coating for aluminium tubes. Acetone is a good solvent for epoxy-phenolic coatings before polymerization. Polymerized epoxy-phenolic coatings are not soluble. Therefore, when the surface of the coating is rubbed with a piece of cotton wool soaked in acetone, if the coating
16、has not been sufficiently hardened, there will be partial dissolution and a discharge on the cotton wool (colouring). For non-epoxy phenolic coatings, the test method shall be mutually agreed upon by customer and supplier. 3 Test device/Test media Acetone CAS No. 67-64-1. Cotton wool. 4 Procedure Cu
17、t the tube and flatten the cylindrical part. Rub 10 1 times up and down with a piece of cotton wool soaked in acetone with a pressure of approximately 10 N/cm2. Check the colour of the cotton wool. 5 Evaluation of results After rubbing, the coated surface shall not have become matt or sticky. There
18、should be no colouring of the cotton wool, nor any apparent reaction on the coated surface. A slight coloration of the cotton wool can be accepted if no apparent reactions on the coated surface are detected. BS EN 15766:2009EN 15766:2009 (E) 5 6 Test report The test report shall contain the followin
19、g 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) date of production; d) number of tubes checked; e) number of defects; f) test result; g) all fa
20、ctors which could have affected the results or all operating details not specified in this standard; h) date, place of test and name of tester. BS EN15766:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI i
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