1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 25 N-STATUS No Replacement Named C. Mracna, NA 2004 08 18 Revised Para 3.0 inserted; para 3.1, 3.4, 3.5 & 4 deleted 1982 02 18 Released ESA-M2D313-A C3B5-952053-C Printed copies are uncontrolled Copyright 2009, Ford Global Technologies
2、 LLC Page 1 of 2 EPDM RUBBER, 80 DUROMETER A HARDNESS ESA-M2D313-A3 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an ethylene propylene diene terpolymer. 2. APPLICATION This specification was released originally for material used for brake caliper locating pin
3、 insulators. 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). 3.2 COLOR Black 3.3 MECHANICAL PROPERTIES - SLAB STOCK 3.3.1 Original Hardness, Duromete
4、r A 80 +/- 5 (ASTM D 2240) Tensile Strength, min 12 MPa (ASTM D 412) Elongation, Ultimate, min 125% (ASTM D 412) Modulus of Elasticity at 7.6 MPa 100% Elongation, min (ASTM D 412) 3.3.2 Dry Heat Aging (ASTM D 573, 70 h at 150 +/- 2 C) Hardness, Durometer A Change, max +10% Tensile Strength Change, m
5、ax -20% Elongation Change, max -20% ENGINEERING MATERIAL SPECIFICATIONESA-M2D313-A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.3.3 Immersion in ESA-M6C25-A Brake Fluid (ASTM D 471, 70 h at 100 +/- 2 C) Hardness, Durometer A Change +/- 7% Tensile Stren
6、gth Change, max -25% Elongation Change, max -20% Volume Change +/- 5% 3.3.4 Immersion in Water (ASTM D 471, 70 h at 100 +/- 2 C) Hardness, Durometer A Change +/- 5% Volume Change +/- 5% 3.3.5 Compression Set, max 30% (ASTM D 395, Method B, plied, 22 h at 150 +/- 2 C) 3.3.6 Low Temperature Brittleness Must Pass (ASTM D 2137, Method A non-brittle after 3 m at -40 +/- 1 C)
