1、BSI Standards PublicationBS EN 3825:2014Aerospace series Fluorosilicone rubber (FVMQ) Hardness 60 IRHDBS EN 3825:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3825:2014.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/65, No
2、n-metallic materials for aerospace purposes.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards
3、 Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 86119 2ICS 49.025.40Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2014.Amendm
4、ents issued since publicationDate Text affectedBS EN 3825:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3825 December 2014 ICS 49.025.40 English Version Aerospace series - Fluorosilicone rubber (FVMQ) - Hardness 60 IRHD Srie arospatiale - lastomre fluorosilicone (FVMQ) - Duret 60 DIDC Luf
5、t- und Raumfahrt - Fluorsilikon - Elastomer (FVMQ) - Hrte 60 IRHD This European Standard was approved by CEN on 21 June 2014. 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 w
6、ithout 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, German). A version in any oth
7、er 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, Croatia, Cyprus, Czech Republic,
8、 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 and United Kingdom. EUROPEAN COMM
9、ITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3825:2014 EBS EN 3825:201
10、4EN 3825:2014 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Application of the material 4 3.1 General 4 3.2 Typical use .4 3.3 Temperature range 4 4 Properties .4 5 Designation 6 6 Technical specification .6 BS EN 3825:2014EN 3825:2014 (E) 3 Foreword This document (EN 3825:2014
11、) has been prepared by the Aerospace and Defence 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 th
12、e member countries of ASD, prior to its presentation 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 June 2015, and conflicting national standards shall be withdrawn at the latest by June
13、2015. 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 organi
14、zations of the following countries are bound 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, M
15、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3825:2014EN 3825:2014 (E) 4 1 Scope This European Standard specifies the properties of fluorosilicone rubber (FVMQ)1), hardness 60 IRHD, for aerospace applicatio
16、ns. 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 document (including any a
17、mendments) applies. ISO 1629, Rubber and latices Nomenclature.ISO 1817, Rubber, vulcanized Determination of the effect of liquids. EN 3207, Aerospace series Rubber compounds Technical specification. 3 Application of the material 3.1 General The suitability of the material for a specific application
18、shall be determined by complementary tests carried out on the finished product as the properties specified in this standard are obtained from standard test specimens. 3.2 Typical use In contact with petroleum based fluids, aviation fuels, hydraulic fluids, lubricants, greases, silicone oil and some
19、ester based fluids (not phosphate esters). 3.3 Temperature range Continuous service: from 55 C to 180 C; Intermittent service: from 55 C to 200 C. 4 Properties See Table 1 and Table 2. For qualification, all tests shall be performed. For batch acceptance, those identified “ shall be performed. 1)Sym
20、bol as per ISO 1629.BS EN 3825:2014EN 3825:2014 (E) 5 Table 1 Test methods Line Column 1 2 3 Properties Units Requirements 1 Hardness IRHD 60 45+ 2 3 Density Mg/m3a 4 5 Tensile strength MPa 5 min. 6 7 Elongation at break % 150 min. 8 9 Modulus at % strain MPa 10 11 Tear strength N/mm 12 13 Resistanc
21、e to low temperatures TR10 C 55 max. 14 Crystallization Point 15 Compression set % 15.1 After 70 h to 150 C 25 max. 15.2 After h to C 16 17 Ozone resistance Ozone concentration : ( ) pphm Elongation of test piece : % Time : h Temperature : C 18 19 Corrosion and adhesion on metals Time : h Temperatur
22、e : C 20 Corrosion and adhesion on metals 20.1 Time : h Temperature : C Humidity : % 20.2 Time : h Temperature : C Humidity : % 30 39 See clause 4. aThe value determined for each batch shall not differ from that determined at qualification by more than 0,02 Mg/m3. BS EN 3825:2014EN 3825:2014 (E) 6 T
23、able 2 Tests after exposure to test media Line Column 1 2 3 4 5 1 Test media Air Liquid B, see ISO 1817 Fluid 101, see ISO 1817 2 Conditions of exposure in test media Units 70 h/200 C 70 h/23 C 70 h/150 C 3 Permitted variation of the properties compared to the initial value Volume % + 25 + 12 4 Mass
24、 % 5 Tensile strength % 30 40 6 Elongation at break % 35 30 7 Hardness IRHD 510+ 120See clause 4. 5 Designation EXAMPLE Description block RUBBER Identity block EN3825 Number of this standard 6 Technical specification EN 3207. This page deliberately left blankBSI is the national body responsible for
25、preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High
26、Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined thr
27、ough our open consultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website
28、 at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international
29、and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.SubscriptionsOur range of subscription services are designed to make using standards easier for you. For further information on our subscription products go to British St
30、andards Online (BSOL) youll have instant access to over 55,000 British and adopted European and international standards from your desktop. Its available 24/7 and is refreshed daily so youll always be up to date. You can keep in touch with standards developments and receive substantial discounts on t
31、he purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member. PLUS is an updating service exclusive to BSI Subscribing Members. You will automatically receive the latest hard copy of your standards when theyre revised or replaced. To find out more
32、 about becoming a BSI Subscribing Member and the benefits of membership, please visit a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet. Licences can cover as few or as many users as you wish. With updates supplied as soon as theyre available, you can
33、be sure your documentation is current. For further information, email .RevisionsOur British Standards and other publications are updated by amendment or revision. We continually improve the quality of our products and services to benefit your business. If you find an inaccuracy or ambiguity within a
34、 British Standard or other BSI publication please inform the Knowledge Centre.CopyrightAll the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used
35、 (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by
36、any means electronic, photocopying, recording or otherwise without prior written permission from BSI. Details and advice can be obtained from the Copyright & Licensing Department.Useful Contacts:Customer ServicesTel: +44 845 086 9001Email (orders): Email (enquiries): SubscriptionsTel: +44 845 086 9001Email: Knowledge CentreTel: +44 20 8996 7004Email: Copyright & LicensingTel: +44 20 8996 7070Email: NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
