1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 07 15 Revised Para 3.0 inserted; para 3.3, 3.4 & 4 deleted 1980 04 29 Released PCR-IR-830931P Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 3 FLUOROELASTOMER ESP-M2D294-A1 ESP-M2D294-A2 1. SCOPE T
2、he material defined by these specifications is a high temperature and oil resistant fluoroelastomer. 2. APPLICATION These specifications were released originally for material used as a ball shuttle valve in automatic transmissions, or as specified on engineering drawing. 3. REQUIREMENTS 3.0 STANDARD
3、 REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 SLAB STOCK 3.1.1 Color As specified on engineering drawing 3.1.2 Original Properties A1 A2 Hardness, Durometer “A“ 70 - 80 75
4、 - 85 (ASTM D 2240) Tensile Strength, min 7 MPa (ASTM D 412, Die “C“) Ultimate Elongation, min 150% (ASTM D 412, Die “C“) 3.1.3 Heat Aged (ASTM D 573, 168 h at 150 +/- 2 C) Hardness, Durometer “A“ Change +/- 4 Tensile Strength Change, max -15% Elongation Change, max -35% 3.1.4 Immersion in ASTM #1 O
5、il (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer “A“ Change +/- 3 Tensile Strength Change, max -20% Elongation Change, max -35% Volume Change +/- 3% ENGINEERING MATERIAL SPECIFICATIONESP-M2D294-A1/A2 Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 3 3
6、.1.5 Immersion in ASTM #3 Oil (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer “A“ Change -4 to +2 Tensile Strength Change, max -25% Elongation Change, max -35% Volume Change 0 to +7% 3.1.6 Immersion in Designated Automatic Transmission Fluids (ASTM D 471, 168 h at 150 +/- 2 C) (See Note 1) Ha
7、rdness, Durometer “A“ Change +/- 4 Tensile Strength Change, max -40% Elongation Change, max -60% Volume Change 0 to +5% 3.1.7 Compression Set, max 40% (ASTM D 395, Method “B“, 70 h at 150 +/- 2 C) 3.1.8 Cold Flexibility No checks (original material) Test Method Condition five samples (ASTM D 412, Di
8、e “C“) and a mandrel (25 mm in diameter) in a cold box at -30 +/- 1 C. After 5 h the samples are to be bent around the mandrel within one second. The tests are to be carried out in the cold box. 3.2 MOLDED PART 3.2.1 Color As specified on engineering drawing 3.2.2 Original Properties A1 A2 Microhard
9、ness, IRHD 70 - 80 75 - 85 (ASTM D 1415) 3.2.3 Heat Aged (ASTM D 573, 168 h at 150 +/- 2 C) Hardness Change +/- 4 IRHD 3.2.4 Immersion in Designated Automatic Transmission Fluids (ASTM D 471, 168 h at 150 +/- 2 C) (See Note 1) Hardness Change +/- 4 IRHD Volume Change 0 to +5% ENGINEERING MATERIAL SP
10、ECIFICATIONESP-M2D294-A1/A2 Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 3 of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. For information on approved transmission fluids, contact: Supervisor, Materials and Fasteners Engineering Section Transmission and Axle Program Control and Drafting Department Ford Motor Company 36200 Plymouth Road Livonia, Michigan 48150
