1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4491:2013Aerospace series Non-metallic materials Anaerobicpolymerisable compounds Threadlocking Torquestrength 16 NmBS EN 4491:2013 BRITISH STANDARDNational forewordThis Br
2、itish Standard is the UK implementation of EN 4491:2013.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/65, Non-metallic materials for aerospace purposes.A list of organizations represented on this committee can beobtained on request to its secretary.This publication
3、does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80249 2ICS 49.025.50Compliance with a British Standard cannot confer immunity fromlega
4、l obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 28 February 2013.Amendments issued since publicationDate Text affectedBS EN 4491:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4491 January 2013 ICS 49.025.50 English Ver
5、sion Aerospace series - Non-metallic materials - Anaerobic polymerisable compounds - Threadlocking - Torque strength 16 Nm Srie arospatiale - Matriaux non-mtalliques - Compos polymrisable anarobie - Agent de freinage - Rsistance au couple de torsion 16 Nm Luft- und Raumfahrt - Nichtmetallische Werks
6、toffe - Anaerobe polymerisierbare Klebstoffe - Schraubensicherung - Torsionsfestigkeit 16 Nm This European Standard was approved by CEN on 10 November 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the
7、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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French
8、, 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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, C
9、roatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey an
10、d United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4491:2
11、013: EBS EN 4491:2013EN 4491:2013 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms, definitions, symbols and abbreviations .5 4 Requirements .6 BS EN 4491:2013EN 4491:2013 (E) 3 Foreword This document (EN 4491:2013) has been prepared by the Aerospace and Defe
12、nce Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its prese
13、ntation to CEN. 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 July 2013, and conflicting national standards shall be withdrawn at the latest by July 2013. Attention is drawn to the possibility t
14、hat 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 organisations of the following countries are bound
15、to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
16、Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4491:2013EN 4491:2013 (E) 4 Introduction This standard is part of a series of EN non-metallic materials standards for aerospace applications. The general organisation of this series is described in EN 4385.
17、 This standard is a level 3 document as defined in EN 4385. It has been prepared in accordance with TR 7000-7. BS EN 4491:2013EN 4491:2013 (E) 5 1 Scope This European Standard specifies the requirements relating to anaerobic polymerisable threadlocking compounds having a torque strength of 16 Nm for
18、 aerospace applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu
19、ment (including any amendments) applies. EN 3792, Aerospace series Anaerobic polymerisable compounds Technical specification1)EN 4385, Aerospace series Non-metallic materials General organisation of standardisation Links between types of standards 1)TR 7000-7, Aerospace series Non-metallic materials
20、 Rules for drafting and presentation of material standards Part 7: Anaerobic polymerisable compounds 2)3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 Definition of subcase numbering In the
21、column “requirement” at the left hand side a subcase number is given. The definition of these subcase numbers is as follows: Subcase number Definition Technical specification 1 Test method 2 Frequency of testing 3 Sample type 4 Test piece definition 5 Condition of test piece 6 Testing condition 7 Ac
22、ceptance criteria Note 1 to entry: The absence of a subcase indicates that the necessary information is given in Table 1 of this standard, e.g. in the reference to the technical standard (characteristic 1.004). 1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd
23、-stan.org). 2) Published as ASD-STAN Technical Report at the date of publication of this standard (www.asd-stan.org). BS EN 4491:2013EN 4491:2013 (E) 6 All the necessary information which does not appear is to be found in the referenced technical specification or the relevant test method. Note 2 to
24、entry: In this material standard, batch acceptance test titles and subcases 7 acceptance criteria are highlighted in the form of a bold frame and bold characters to show that they are mandatory for routine acceptance of the material. 3.1.2 Other definitions See EN 3792. 3.2 Symbols and abbreviations
25、 See EN 3792. 4 Requirements The required characteristics are given in: Table 1 General requirements Table 2 Requirements in the delivery condition Table 3 Requirements as processed to characteristic number 1.013 Table 4 Environmental testing requirements as processed to characteristic number 1.013
26、Table 1 General requirements Characteristic number Characteristic Requirements 1.001 Material description One part, threadlocking, anaerobic polymerisable compound 1.002 Formulation Acrylic ester of a polyhydroxy compound 1.003 Form and method of production Liquid 1.004 Technical specification See E
27、N 3792. 1.005 Grade 01 02 03 1.007 Colour a 1.010 Storage Temperature 100 C 1.098 Health and safety See EN 3792. 1.999 Notes aColour to be agreed between purchaser and supplier. BS EN 4491:2013EN 4491:2013 (E) 7 Table 2 Requirements in the delivery condition Characteristic number Characteristic Requ
28、irements 2.007 Visual inspection 7 Correct colour (see Table 1) 2.106 Cure rate 7 4 min 2.106 Reactivity in contact with zinc 7 10 min 2.107 Viscosity 7 Grade 01 02 mm2s 195 60 4.315 Torque strength 7 % of actual value when tested to characteristic number 3.315 95 95 70 4.515 Effect of water immersi
29、on 5 168 h at 100 C 4.315 Torque strength 7 % of actual value when tested to characteristic number 3.315 70 This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It present
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