SIST EN 1966:2009

Structural adhesives - Characterization of a surface by measuring adhesion by means of the three point bending method

SIST EN 1966:2009

Name:SIST EN 1966:2009   Standard name:Structural adhesives - Characterization of a surface by measuring adhesion by means of the three point bending method
Standard number:SIST EN 1966:2009   language:English language
Release Date:06-Apr-2009   technical committee:IPMA - Polimer materials and products
Drafting committee:   ICS number:83.180 - Adhesives
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Strukturklebstoffe - Charakterisierung einer Oberfläche durch Messung der Adhäsion nach dem Dreipunkt-BiegeverfahrenAdhésifs structuraux - Caractérisation d'une surface par mesure de l'adhérence au moyen de la méthode de la flexion en trois pointsStructural adhesives - Characterization of a surface by measuring adhesion by means of the three point bending method83.180LepilaAdhesivesICS:Ta slovenski standard je istoveten z:EN 1966:2009SIST EN 1966:2009en,fr,de01-maj-2009SIST EN 1966:2009SLOVENSKI
STANDARDSIST EN 1966:20031DGRPHãþD



SIST EN 1966:2009



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1966February 2009ICS 83.180Supersedes EN 1966:2002
English VersionStructural adhesives - Characterization of a surface bymeasuring adhesion by means of the three point bendingmethodAdhésifs structuraux - Caractérisation d'une surface parmesure de l'adhérence au moyen de la méthode de laflexion en trois pointsStrukturklebstoffe - Charakterisierung einer Oberflächedurch Messung der Adhäsion nach dem Dreipunkt-BiegeverfahrenThis European Standard was approved by CEN on 27 December 2008.CEN members are bound to comply with the CEN/CENELEC Internal 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.This 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 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 STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1966:2009: ESIST EN 1966:2009



EN 1966:2009 (E) 2 Contents Page Foreword .3 1 Scope .4 2 Normative references .4 3 Terms and definitions .4 4 Principle .5 5 Apparatus .6 5.1 Test piece preparation apparatus .6 5.1.1 Device for moulding the adhesive .6 5.1.2 Accessories .9 5.2 Shapes and dimensions . 10 5.3 Substrate materials. 10 5.4 Test apparatus and measuring apparatus . 11 5.4.1 Bending machine . 11 5.4.2 Test piece positioning device . 11 5.4.3 Measuring apparatus . 11 6 Preparation of substrate surfaces before bonding . 12 7 Preparation of test pieces . 12 7.1 General . 12 7.2 Inserting substrates . 13 7.3 Inserting adhesive . 13 7.4 Hardening . 13 7.5 Opening the mould . 13 7.6 Conditioning the test pieces . 13 8 Test methods . 13 9 Expression of results . 13 10 Test report . 15
SIST EN 1966:2009



EN 1966:2009 (E) 3 Foreword This document (EN 1966:2009) has been prepared by Technical Committee CEN/TC 193 “Adhesives”, the secretariat of which is held by AENOR. 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 August 2009, and conflicting national standards shall be withdrawn at the latest by August 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 1966:2002. SAFETY STATEMENT — Persons using this document should be familiar with the normal laboratory practice, if applicable. This document does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any regulatory conditions. ENVIRONMENTAL STATEMENT — It is understood that some of the material permitted in this standard may have negative environmental impact. As technological advantages lead to acceptable alternatives for these materials, they will be eliminated from this standard to the extent possible. At the end of the test, the user of the standard shall take care to carry out an appropriate disposal of the wastes, according to local regulation. 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.
SIST EN 1966:2009



EN 1966:2009 (E) 4
1 Scope This European Standard describes a test method to determine ability of a cured adhesive (possibly with a primer) to adhere to a substrate which has had a certain surface finish or with a specific surface preparation by using the "three point bending method". It is only used for quality assurance and the substrate should be rigid or resistant enough to bending such as steel or aluminium alloys. For other substrates the thickness should be adjusted to the modulus of elasticity or a suitable stiffener should be used. The adhesive should be polymerisable (curable) without pressure in order to obtain the thickness needed to provide sufficient rigidity, otherwise, a bonded reinforcing piece of the same type and same thickness as the substrate can be substituted for the bloc of adhesive. It is not suitable for film adhesives. 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 923:2005, Adhesives — Terms and definitions EN 10025-2, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy structural steels EN 13887, Structural adhesives — Guidelines for surface preparation of metals and plastics prior to adhesive bonding EN ISO 291, Plastics — Standard atmospheres for conditioning
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