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本文(EN 2842-2013 en Aerospace series - Acrylonitrile-butadiene rubber (NBR) - Mineral oil resistant - Hardness 70 IRHD《航空航天系列 Acrylonitrile-butadiene橡胶(丁腈橡胶)耐矿物油-硬度70国际橡》.pdf)为本站会员(figureissue185)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

EN 2842-2013 en Aerospace series - Acrylonitrile-butadiene rubber (NBR) - Mineral oil resistant - Hardness 70 IRHD《航空航天系列 Acrylonitrile-butadiene橡胶(丁腈橡胶)耐矿物油-硬度70国际橡》.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 2842:2013Aerospace series Acrylonitrile-butadiene rubber (NBR) Mineral oil resistant Hardness 70 IRHDBS EN 2842:2013 BRITISH STANDARDNational forewordThis British Standard

2、is the UK implementation of EN 2842:2013. 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 be obtained on request to its secretary.This publication does not pur

3、port to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013.ISBN 978 0 580 80350 5 ICS 49.025.40 Compliance with a British Standard cannot confer immunityfrom legal obli

4、gations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2013.Amendments issued since publicationDate Text affectedBS EN 2842:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2842 February 2013 ICS 49.025.40 English Version

5、 Aerospace series - Acrylonitrile-butadiene rubber (NBR) - Mineral oil resistant - Hardness 70 IRHD Srie arospatiale - lastomre acrylonitrile butadine (NBR) - Rsistant aux huiles minrales - Duret 70 DIDC Luft- und Raumfahrt - Acrylinitrilbutadien-Elastomer (NBR) -Bestndig gegen Mineralle - Hrte 70 I

6、RHD This European Standard was approved by CEN on 3 November 2012. 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 without any alteration. Up-to-date lists and bibliographical

7、 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 other language made by translation under the responsibility of

8、 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, Denmark, Estonia, Finland, Former Yugoslav Republic of Mac

9、edonia, 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 COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EU

10、ROPISCHES 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 2842:2013: EBS EN 2842:2013EN 2842:2013 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative r

11、eferences . 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 2842:2013EN 2842:2013 (E) 3 Foreword This document (EN 2842:2013) has been prepared by the Aerospace and Defence Industries

12、 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 presentation to CEN

13、. 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 2013, and conflicting national standards shall be withdrawn at the latest by August 2013. Attention is drawn to the possibility that some o

14、f 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 to impleme

15、nt 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, Romania, S

16、lovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2842:2013EN 2842:2013 (E) 4 1 Scope This European Standard specifies the properties of acrylonitrile-butadiene rubber (NBR) 1), mineral oil resistant, hardness 70 IRHD, for aerospace applications. 2 Normative referen

17、ces 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 amendments) applies. EN

18、3207, Aerospace series Rubber compounds Technical specification ISO 1629, Rubber and latices Nomenclature ISO 1817, Rubber, vulcanized or thermoplastic Determination of the effect of liquids 3 Application of the material 3.1 General The suitability of the material for a specific application shall be

19、 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 For applications where resistance to petroleum based hydraulic fluids and lubricants is required. 3.3 Temperature range Conti

20、nuous service : from 40 C to 120 C; Intermittent service : from 40 C to 150 C. 4 Properties See Table 1 and Table 2 according to EN 3207. For qualification, all tests shall be performed. For batch acceptance, the tests identified with footnote “a“ in Table 1 and Table 2 shall be performed. 1) Symbol

21、 as per ISO 1629.BS EN 2842:2013EN 2842:2013 (E) 5 Table 1 Test methods Line Column 1 2 3 Properties Units Requirements 1 Hardness IRHD 70 45+a2 3 Density Mg/m3a, b 4 5 Tensile strength MPa 10 min. a6 7 Elongation at break % 200 min. a8 9 Modulus at % strain MPa 10 11 Tear strength N/mm 12 13 Resist

22、ance to low temperatures TR 10 C 25 max. 14 Crystallization Point 15 Compression set % 15.1 After 24 h to 125 C 35 max. a15.2 After 70 h to 125 C 40 max. 16 17 Ozone resistance Ozone concentration : ( ) pphm Elongation of test piece : % Time : h Temperature : C 18 19 Corrosion and adhesion on metals

23、 Time : 168 h Temperature : 100 C no corrosion no adhesion 20 Corrosion and adhesion on metals 20.1 Time : h Temperature : C Humidity : % 20.2 Time : h Temperature : C Humidity : % 21 22 23 24 25 26 27 28 29 30 aTest for batch accepted. bThe value determined for each batch shall not differ from that

24、 determined at qualification by more than 0,02 Mg/m3. BS EN 2842:2013EN 2842:2013 (E) 6 Table 2 Tests Line Column 1 2 3 4 5 1 Test media Air Oil No. 1, see ISO 1817 Oil No. 3, see ISO 1817 2 Conditions of exposure in test media Units 70 h/125 C 70 h/125 C 70 h/125 C 3 Permitted variation of the prop

25、erties compared to the initial value Volume % 100a520+a4 Mass % 5 Tensile strength % 10 a 10 10 6 Elongation at break % 45 a 40 30 7 Hardness IRHD 010+a020+1208 aTest for batch acceptance. 5 Designation EXAMPLE Description block RUBBER Identity block EN2842 Number of this standard 6 Technical specif

26、ication See EN 3207. This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporate

27、d by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updat

28、ed by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using Briti

29、sh Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updati

30、ng service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on t

31、he website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the British Standard implementation of the rel

32、evant international standard, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: BSI Subscribing Members are kept up to date

33、with standards developments and receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards and PASs via

34、British Standards Online can be found at information about British Standards is available on the BSI website at www.bsi- 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 own cop

35、yright in the information used (such as the international standardisation bodies) has formally licensed such information to BSI for commerical 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 tran

36、smitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Department.Tel: +44 (0)20 8996 7070Email:

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