BS EN 3825-2014 Aerospace series Fluorosilicone rubber (FVMQ) Hardness 60 IRHD《航空航天系列 硅氟橡胶 (FVMQ) 硬度60 IRHD》.pdf

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

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