1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 21 N-STATUS No Replacement Named C. Mracna, NA 2004 07 19 Revised Para 3.0 inserted; para 3.10, 3.11 & 4 deleted 1976 05 15 Released CE3F-CF773801-E Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 o
2、f 2 EPDM RUBBER MOLDING COMPOUND ESE-M2D266-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a medium to high temperature EPDM rubber. 2. APPLICATION This specification was released originally for material used in emission vacuum tubing connector blocks. 3. REQU
3、IREMENTS (ASTM D 3182, slab stock 0.075 +/- 0.005 in (1.9 +/- 0.13 mm) thick) 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 Hardness - Duro
4、meter “A“ 65 - 75 (ASTM D 2240) Tensile Strength, min 1,500 psi (ASTM D 412) (10.3 MPa) Elongation, min 250% 3.2 HEAT AGED (ASTM D 865, 168 h at 149 +/- 1 C) Hardness - Durometer “A“ Change 0 to +15 Tensile Strength Change, max -40% Elongation Change, max -60% 3.3 IMMERSION IN ASTM NO. 3 OIL (ASTM D
5、 471, 70 h at 100 +/- 1 C) Tensile Strength Change, max -35% Elongation Change, max -50% Hardness - Durometer “A“ Change -35 Volume Change, max +85% 3.4 IMMERSION IN ASTM REFERENCE FUEL “A“ (ASTM D 471, 24 h at 23 +/- 2 C) Tensile Strength Change, max -35% Elongation Change, max -45% Hardness - Duro
6、meter “A“ Change, max -25 Volume Change, max +65% ENGINEERING MATERIAL SPECIFICATIONESE-M2D266-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.5 OZONE RATING ESB-M9P1-A (FLTM BP 101-01) 3.6 COMPRESSION SET, max 40% (ASTM D 395, Method “B“, plied, 22 h at
7、 121 C) 3.7 COLD FLEXIBILITY AT -40 C (FLTM BP 106-03, 5 h conditioning) As Received No cracks Aged No cracks (70 h at 149 C) 3.8 VISUAL BLOOM OR OTHER CONTAMINANTS None Test Method on Part When Applicable: 1/2 in (13 mm) length (or maximum length available if less than 1/2 in (13 mm) of the part is
8、 cut, compressed flat and held in the compressed state for 24 +/- 1 h at 23 +/- 2 C. The sample shall then be removed, sectioned longitudinally and examined for visual bloom. Any visual exudation shall be cause for rejection. 3.9 TEAR RESISTANCE No tear (Where applicable) Test Method: The part shall be expanded to a minimum internal diameter of 1-1/2 times the nominal inside diameter by forcing over a 30 tapered clean lubricated (silicon parting agent) metal cone that has a maximum finish of RMS 20.
