1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 25 N-STATUS No Replacement Named C. Mracna, NA 2004 08 19 Revised Para 3.0 inserted; para 3.1, 3.4, 3.5, 3.6 & 4 deleted 1982 12 02 Released CE3M-RD863100E63 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC
2、 Page 1 of 2 RUBBER, HIGH TEMPERATURE, ELECTRICAL GRADE ESE-M2D326-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high temperature, electrical grade synthetic rubber. 2. APPLICATION This specification was released originally for material used for terminal in
3、sulators on the distributor to spark plug wires and the coil to distributor wire. 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 SLAB STOCK (150
4、 x 150 x 1.9 +/- 0.13 mm) Molding conditions must be submitted at time of qualification testing and kept on file after initial approval. 3.2.1 Compression Set, max 48% (ASTM D 395, Method B, 70 h at 150 C) 3.2.2 Tensile Strength, min 7.0 MPa (ASTM D 412, Die “C“) 3.2.3 Elongation, min 500% (ASTM D 4
5、12, Die “C“) 3.2.4 Hardness, Durometer “A“ 61 +/- 5 (ASTM D 2240) 3.2.5 Modulus (ASTM D 412, Die “C“) At 100% Elongation, min 1.0 MPa 3.2.6 Low Temperature Brittleness, max -25 C Qualification Only (ASTM D 746) 3.2.7 Tear Strength, min 19.3 kN/m (ASTM D 624, Die “C“) ENGINEERING MATERIAL SPECIFICATI
6、ONESE-M2D326-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.2.8 Dielectric Strength, min 20 kV/mm (ASTM D 149, short time, 500 V/s rate of rise) 3.2.9 Ozone Resistance Qualification Only (ASTM D 1171) No checking or cracking after 72 h at 38 +/- 1 C at a
7、n ozone concentration of 50 +/- 5 parts per 100 million parts of air. 3.2.10 Heat Aged (ASTM D 573, 70 h at 149 +/- 2 C) Tensile Strength Change, max -15% Elongation Change, max -33% Modulus at 100% Elongation Change, max +80% Hardness, Durometer “A“ Change, max +11 Tear Strength Change, max -6% Die
8、lectric Strength, min 20.0 kV/mm 3.3 MOLDED PART 3.3.1 Color Black or as specified on engineering drawing 3.3.2 Appearance Shall be uniform in density, texture and finish, free of visible porosity, heat scorch, checks, cracks and chipped edges. They shall also be free of other contamination. 3.3.3 A
9、dditional Requirements Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specifications. All critical areas with respect to these properties shall be clearly designated on the engineering drawing.
