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    AECMA PREN 2568-1995 Aerospace Series Fluorocarbon Rubber (FPM) Hardness 90 IRHD Edition P 1《航空航天系列.氟硅橡胶 硬度 90 IRHD.P1版》.pdf

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    AECMA PREN 2568-1995 Aerospace Series Fluorocarbon Rubber (FPM) Hardness 90 IRHD Edition P 1《航空航天系列.氟硅橡胶 硬度 90 IRHD.P1版》.pdf

    1、1 .- - Comments should be sent within SIX months after the date of publication to AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE AECMA PREN*25b 95 H 1012311 0009401 TOO C7 Chairman Mr Bottrell i 1 AECMA STANDARD prEN 2568 NORME AECMA Edition P 1 AECMA NO

    2、RM April 1995 DITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopoiis . 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 ICs : , Descriptors : ENGLISH VERSION Aerospace series Fluorocarbon rubber (FPM) Hardness 90 IRHD Srie arospati

    3、ale lastomre fluor (FPM) Duret 90 DIDC Luft- und Raumfahrt Fluorocarbon-Elastomer (FPM) Hrte 90 IRHD This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs o

    4、f AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically

    5、or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardizati

    6、on) for formal vore. . Nota - Extra copies can be supplied by B.N A E. Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX Edition approved for publication 1995-04-28 I Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under lice

    7、nse with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN*ie25b8 95 10L23LL 0009403 883 9 Page 3 prEN 2568 : 1995 1 Scope This standard specifies the properties of fluorocarbon rubber (FPM) 11, hardness 90 IRHD, for aerospace applications. 2 Normativ

    8、e references IS0 1629 IS0 181 7 EN 3207 Rubber and latices - Nomenclature Rubber, vulcanized - Determination of the effect of liquids Aerospace series - Rubber compounds - Technical specification 2) 3 Application of the material The suitability of the material for a specific application shall be det

    9、ermined by complementary tests carried out on the finished product as the properties specified in this standard are obtained from standard test specimens. 3.1 Typical use Application requiring resistance to air, hydrocarbon and synthetic oil, and fuels at elevated temperature. 3.2 Temperature range

    10、- Continuous service : - Intermittent service : from - 20 OC to + 225 OC from - 20 OC to + 250 OC 4 Properties See tables 1 and 2. For qualification, all tests shall be performed. For batch acceptance, the tests identified in tables 1 and 2 shall be performed. 5 Designation Description block Identit

    11、y block RUBBER 1 ENI558 Number of this standard 6 Technical specification EN 3207 1) Symbol as per IS0 1629 2) In preparation at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo

    12、 reproduction or networking permitted without license from IHS-,-,-Prooerties Units 26 27 28 39 I Hardness IRHD Density mg1m3 Elongation at break % Modulus at - % strain Tear strenqth MPa Nlmm Resistance to low temperatures TRI O Crvstallization OC Point after 24 h to 200 OC after 70 h to 200 OC % 1

    13、) The value determined for each batch shall not differ from that determined at qualification by more than 0,03 Mg/m3. *) Test for batch acceptance. AECIA PRENW568 95 LOL23LL 0009404 71T t ? Page 4 prEN 2568 : 1995 Table 1 - Test methods 1 2 1 3 Reauirements + 5 *) 90- 4 1 2 3 4 1 Tensile strenath 1

    14、MPa 11 min. *I 5 6 7 1 O0 min. * 8 9 10 11 12 - 12 max. 13 14 15 15.1 15.2 16 1 lompression set 40 max. 1 75 max. Ozone resistance 3zone concentration : ( - k - ) pphm % Time h Elongation of test piece : Temperature OC 17 18 Corrosion and adhesi:;, o; metals in a dry1 atmosphere Time Temperature 200

    15、 OC Corrosion and adhesion on metals in a damp atmosphere Time 1-h Temperature : - oc Humiditv -% 1 no corrosion no adhesion 19 20 20.1 20.2 21 1 Time -h Temperature : - OC Humidity - Yo 22 23 24 25 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under licen

    16、se with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 5 prEN 2568 : 1995 Table 2 - Tests after exposure to test media Colurnr 2 3 4 5 1 Line Liquid B, see IS0 1817 Liquid No. 1 01, see IS0 181 7 1 Test media Air Conditions of exposure in test media Unit

    17、s 70 hl40 OC 70 hl150 OC 2 70 hl250 OC +7 O +12 “1 O 3 % % Volume Mass +7 O +10 “1 O 4 Permitted variation of the properties compared to the initial value % 5 Tensile strength - 20 max. Elongation at break 6 - 35 max. % + 10 O +7 -3 +5 -10 Hardness IRHD 7 8 *) Test for batch acceptance. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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