FORD ESF-M2D93-A-2009 FLUOROCARBON ELASTOMER TO BE USED WITH FORD WSS-M99P1111-A 《氟烃弹性体 与标准FORD WSS-M99P1111-A一起使用 》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 12 N-STATUS No known use. No Replacement Named C. Mracna, NA 2004 06 29 Revised Para 3.0 inserted; para 3.3 & 4 deleted 1963 08 14 Released F6-1102 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of

2、 2 FLUOROCARBON ELASTOMER ESF-M2D93-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a fluorocarbon elastomer that has excellent solvent resistance over a wide temperature range. 2. APPLICATION This specification was released originally for material used for car

3、buretor valves. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 ORIGINAL PROPERTIES Tensile Strength, min 1,800 psi (ASTM D 412) (12.5 MPa) Elong

4、ation, min 140% Hardness, Durometer “A“ 75 - 85 (ASTM D 2240) Compression Set, max 20% (ASTM D 395, Method B, 22 h at 149 C) 3.2 PROPERTIES AFTER FUEL IMMERSION, CHANGE (ASTM D 471, except temperature controlled water bath is used for heating and a 500 ml flask with ground glass fittings and matchin

5、g condenser tubes. 300 ml solution is used per two 1 x 2 in (25 x 50 mm) samples.) ENGINEERING MATERIAL SPECIFICATIONESF-M2D93-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 Hardness Tensile Strength, Durometer “A“ % max Volume, % ASTM Reference Fuel “A“

6、+/- 3 -10 0 to +2 (24 h at 23 +/- 2 C) ASTM Reference Fuel “A“ -5 to 0 -15 0 to +10 (24 h at 60 C) ASTM Reference Fuel “B“ +/- 3 -10 -1 to +3 (72 h at 23 +/- 2 C) 20% Benzene, 80% Iso-Octane -10 to 0 -15 0 to +15 (24 h at 60 C) 10% Methanol, 90% Iso-Octane -25 to 0 -40 0 to +40 (24 h at 60 C) 100% Methanol -25 to 0 -40 0 to +40 (Commercial Gr.) (24 h at 60 C)

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