1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 25 N-STATUS No replacement named C. Mracna, NA 2004 06 29 Revised Para 3.0 inserted; para 3.2, 3.3 & 4 deleted 1985 10 22 Released DR-629295-P T. P. Koch Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Pag
2、e 1 of 2 ETHYLENE ACRYLIC RUBBER, LOW TEMPERATURE ESP-M2D130-A2 RESISTANT-TEAR RESISTANT - OIL SEAL NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an ethylene acrylic rubber suitable for high temperature service conditions possessing good tear and low temperatur
3、e resistance. 2. APPLICATION This specification was released originally for material used in the transmission differential seal assembly. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Pr
4、oduction Materials (WSS-M99P1111-A). 3.1 SLAB STOCK (ASTM D 3192) 3.1.1 Original Properties Hardness, Durometer A 70 - 80 (ASTM D 2240) Tensile Strength, min 7.0 MPa (ASTM D 412, Die C) Elongation, min 200% Tear Strength, min 35 kN/m (ASTM D 624, Die B) 3.1.2 Heat Aged (ASTM D 865, 70 h at 150 C) Ha
5、rdness Change 0 to +10 Tensile Strength Change, max -20% Elongation Change, max -30% 3.1.3 Immersion in ASTM #1 Oil (ASTM D 471, 70 h at 150 C) Hardness Change -10 to +5 Tensile Strength Change, max -25% Elongation Change, max -20% ENGINEERING MATERIAL SPECIFICATIONESP-M2D130-A2Printed copies are un
6、controlled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 Volume Change -60% ENGINEERING MATERIAL SPECIFICATIONESP-M2D130-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 2 3.1.4 Immersion in ASTM #3 Oil (ASTM D 471, 70 h at 150 C) Hardness Change,
7、 max -35 Tensile Strength Change, max -50% Elongation Change, max -45% Volume Change, max +60% 3.1.5 Immersion in Three Currently Approved Automatic Transmission Fluids 1/ (ASTM D 471, 168 h at 150 C) Hardness Change, max 0 to -20 Volume Change 0 to +30% 1/ For information on currently approved auto
8、matic transmission fluids contact: Transmission & Axle Engineering 36200 Plymouth Road Livonia, Michigan 48150 Attn: Supervisor, Materials, Fasteners & Friction Engineering. 3.1.6 Cold Temperature Test (ASTM D 1053, Silicone Bath) T2 -14 C max T5 -25 C max T10 -28 C max T100 -34 C max 3.1.7 Compression Set, max 45% (ASTM D 395, Method B, Solid button, 70 h at 150 C) 3.1.8 Specific Gravity 1.31 - 1.35
