EN 2430-1995 en Aerospace Series Ethylene-Propylene Rubber (EPM EPDM) Hardness 70 IRHD《航空和航天系列 乙丙橡胶(EPM EPDM) 硬度 70IRHD》.pdf

《EN 2430-1995 en Aerospace Series Ethylene-Propylene Rubber (EPM EPDM) Hardness 70 IRHD《航空和航天系列 乙丙橡胶(EPM EPDM) 硬度 70IRHD》.pdf》由会员分享，可在线阅读，更多相关《EN 2430-1995 en Aerospace Series Ethylene-Propylene Rubber (EPM EPDM) Hardness 70 IRHD《航空和航天系列 乙丙橡胶(EPM EPDM) 硬度 70IRHD》.pdf（11页珍藏版）》请在麦多课文档分享上搜索。

1、. CEN EN82430 95 3404589 0132369 055 I BRITISH STANDARD AEROSPACE SERIES E thylene-Prop ylene Rubber (EPM/EPDM) Hardness 70 IRHD The European Standard EN 2430 : 1995 has the status of a British Standard ICs 49.040.10 BS EN 2430 : 1995 CEN ENa2430 95 II 3404589 OLL2370 877 = of the Standards Board an

2、d comes into effect on 15 November 1995 O BSI 1995 Amd. No. . Date lext affected BS EN 2430 : 1995 Committees responsible for this British Standard The preparation of this British Standard was entrusted to lechnical Committee ACE/25, Rubber and elastomeric materials for aerospace purposes, upon whic

3、h the following bodies were represented: British Adhesives and Sealants Association British Hydromechanics Research Group British Narrow Fhbrics Association British Rubber Manufacturers Association Ltd. Ministry of Defence Society of British Aerospace Companies Limited The following BSI references r

4、elate to the work on this standard: Committee reference ACE125 Draft for comment 90172816 DC ISBN O 580 24085 1 BS EN 2430 : 1995 Contents Committees responsible National foreword page Inside front cover ii Foreword 2 Specification 1 Scope 3 2 Normative references 3 3 Application of the material 3 4

5、 Properties 3 5 Designation 3 6 %chnical specification 3 ables 1 Test methods 4 2 Tests after exposure to test media 5 i CEN ENa2430 95 II 3404589 03B2372 b4T I BS EN 2430 : 1995 National foreword This British Standard has been prepared by Technical Committee ACE125 and is the English language versi

6、on of EN 2430 : 1994, Aerospace Series - Ethykne propylene rubber (EMP/EPDM) - Hardness 70 IRHD, published by the European Committee for Standardization (GEN). EN 2430 was produced as a result of international discussion in which the United Kingdom took an active part. Cross-references IS0 1629 : 19

7、87 IS0 1817 : 1985 Publication referred to Corresponding British Standard BS 3502 Symbols for plastics and rubber materials Part 2 : 1991 Schedule for symbols for rubbers BS 903 Physical testing of rubber Part A16 : 1987 Determination of the effects of liquids The European Standard EN 3207, referred

8、 to in clause 2, is in preparation and there is at present no corresponding British Standard. Preliminary copies of prEN 3207 are available from: BNAE, Technopolis 54, 199 rue Jean Jacques Rousseau, 92138 Issy les Moulineaux Cedex, Pans, France. Compliance with a British Standard does not of itself

9、confer immunity from legal obligations. 11 CEN EN*2430 95 E 3404589 0312373 58b H EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2430 September 1995 ICs 49.040.10 Descriptors: aircraft industry, rubber, ethylene-propylene rubber, hardness English version Aerospace series Ethylene-propylene rub

10、ber (EPM/EPDM) Hardness 70 IRHD Srie arospatiale - lastomre thylne-propylne (EPM/EPDM) - Duret 70 DIDC Luft- und Raumfahrt - Ethylen-Propylen-Elastomer (EPM/EPDM) - Hrte 70 IRHD This European Standard was approved by CEN on 1995-03-02. CEN members are bound to comply with the CENKENELEC Internal Reg

11、ulations which stipulate the conditions for giving this European Standard the 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 Central Secretariat or to any CEN member. This

12、European Standard exists in three official versions (English, French, 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 Central Secretariat has the same status as the official versions. CEN members are the

13、national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. GEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee f

14、r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 Copyright reserved to CEN members Ref. No. EN 2430 : 1995 E CEN EN*Z430 95 IBP 3404589 OLL2374 412 = I Page 2 EN 2430 : 1995 Foreword This European Standard has been prepared by the European Association of Aerospace Manufactur

15、ers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation to GEN. This European Standard

16、shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 1996, and conflicting national standards shall be withdrawn at the latest by March 1996. According to the CEN / CENELEC Internal Regulations, the following countries

17、 are bound to implement this European Standard: Austria, Belguim, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. CEN ENx2430 95 3404569 0332375 359 I Page 3 EN 2430 : 1995 1 Scope This standar

18、d specifies the properties of ethylene-propylene rubber (EPMEPDM) 1, hardness 70 IRHD, for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate plac

19、es in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication refer

20、red to applies. IS0 1629 Rubber and latices - Nomenclature IS0 1817 EN 3207 Rubber, vulcanized - Determination of the effect of liquids Aerospace series - Rubber compounds - Technical specification *) 3 Application of the material lhe suitability of the material for a specific application shall be d

21、etemined by complementary tests camed out on the finished product as the properties specified in this standard are obtained from standard test specimens. 3.1 Typical use Application requiring a resistance to ozone, weather and phosphate ester based hydraulic fluids. NOTE : This material shall not be

22、 used for the manufacture of dynamic seals in flight hydraulic systems. 3.2 Temperature range - Continuous service : from - 55 C to + 125 C - Intermittent service : from - 55 C to + 160 C 4 Properties See tables 1 and 2. For qualification, all tests shall be performed. For batch acceptance, the test

23、s identified in tables 1 and 2 shall be perfomed. 5 Designation Description block I Identity block RUBBER I EN2430 -7- Number of this standard 1 6 Technical specification EN 3207 Symbol as per IS0 1629 2, In preparation at the date of publication of this standard CEN EN*2430 95 3404589 Oll237b 295 I

24、 Density Tensile strength Page 4 EN 2430 : 1995 Mg/m3 1) 3 MPa 10 min. 3 Table 1 - Test methods I Elongation at break I YQ 5 6 7 8 9 10 11 12 13 14 15 200 min. 3 I 20.1 Tear strength I 20.2 N/mm 20 min. p= 23 Resistance to low temperatures TR1 O I 30 C - 30 max. 1 Crystallization Point I Properties

25、l Units 1 Requirements - Hardness :ompression set afier 70 h to 100 C afler - h tO - C Ozone resistance 3zoneconcentration : ( 200 i 20 ) pphm Time Temperature Corrosion and adhesion on metals in a dry atmosphere Elongation of test piece : 20 % 168 h 30 C Time -h Temperature : - C Time -h Temperatur

26、e : - C Humidity -% Time -h Temperature : - C Humidity -% Corrosion and adhesion on metals in a damp atmosphere % 40max. 7 * - Nil cracking - - * - - - Modulus at - % strain I MPa I - I I 7 Test for batch acceptance I 1) The value determined for each batch shall not differ from that determined at qu

27、alification by more thar I0:02 Mg/m3. U CEN EN*2430 95 3404589 03112377 321 = Page 5 EN 2430 : 1995 o E CI m al O CI CI al I N o N v- I - - x E O o I - - x 2 O cv I - - DV) I T- DO + e- - n I - v) tn a) e I - ? BS EN 2430 : 1995 List of references See national foreword. BS EN 2430 : 1995 BSI 389 Chi

28、swick High Road London W4 4AL e51 1- 4- 0.5k- FP BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Contract requirem

29、ents A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess th

30、e latest amendments or editions. Any person who finds an inaccuracy or ambiguity while using this British Standard should bring it to the attention of the Quality Manager, BSI without delay so that the matter may be investigated swiftly. BSI offers members an individual updating service called PLUS

31、which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services, Sales Department at Chiswick: Tel: 0181 996 7000; mX: 0181 996 7001. In response to o

32、rders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. information on standards BSI provides a wide range of information on national, European and international standards through its Lib

33、rary, the Standardline Database, the BSI Information lchnology Service (BITS) and its Technical Help to Exporters Service. Contact the Information Department at Chiswick: Tel: 0181 996 7111; Fax: 0181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive su

34、bstantial discounts on the purchase price of standards. For details of these and other benefits contact Customer Services, Membership at Chiswick: ll: 0181 996 7002; Fax: 0181 996 7001. Copyright Copyright subsists in all BSI publications and no part may be reproduced in any form without the prior p

35、ermission in writing of 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 including use by incorporation into computer programs, but where these details are reproduced including without limit

36、ation in printed form, in computer programs or in any other form whatsoever, the permission in writing of BSI must be obtained and if granted will be on terms including royalty, before the product is sold, Licensed or otherwise exploited for commercial gain. Enquiries about copyright should be made to the Copyright Manager at Chiswick. ISBN0580240851 ACE125