1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 25 N-STATUS No Replacement Named C. Mracna, NA 2004 09 10 Revised Para 3.0 inserted; para 3.1, 3.4 & 4 deleted 1980 11 25 Released ALI-6000-215 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 S
2、ILICONE ELASTOMER, PRELUBRICATED ESB-M2D302-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a silicone elastomer that is prelubricated after the part has been molded. 2. APPLICATION This specification was released originally for material used for wiring connect
3、or sleeve boots. 3. REQUIREMENTS Following tests are to be conducted on ASTM slabs and/or parts when feasible. 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 OR
4、IGINAL PROPERTIES Tensile Strength 913 - 1218 psi (ASTM D 412, Die “C“) (6.30 - 8.40 MPa) Elongation 200 - 300% Hardness, Durometer “A“ 65 - 75 (ASTM D 2240) Tear Strength, min 68.5 lb/in (ASTM D 624, Die “B“) (12 N/mm) Compression Set, max 30% (ASTM D 395, Method “B“ 70 h at 150 C) 3.3 PROPERTIES A
5、FTER PRELUBRICATION 3.3.1 Physical Properties Tensile Strength, min 900 psi (ASTM D 412, Die “C“) (6.20 MPa) Elongation, min 170% Hardness, Durometer “A“ 65 - 75 (ASTM D 2240) Volume Change, max +10% ENGINEERING MATERIAL SPECIFICATIONESB-M2D302-A Printed copies are uncontrolled Copyright 2009, Ford
6、Global Technologies, LLC Page 2 of 2 3.3.2 Heat Aged (ASTM D 865, 70 h at 150 C) Tensile Strength Change, max -10% Elongation Change, max -30% Hardness Change +/- 5 3.3.3 Immersion in ASTM No. 1 Oil (ASTM D 471, 70 h at 150 C) Tensile Strength Change, max -25% Elongation Change, max -30% Volume Chan
7、ge -5 to +10% (To be determined on typical parts in addition to slab stock from same batch of material.) Hardness, Durometer “A“ Change +/- 5 Bend Test No cracks when bent flat against itself 3.3.4 Immersion in ASTM No. 3 Oil (ASTM D 471, 70 h at 150 C) Tensile Strength Change, max -35% Elongation Change, max -35% Volume Change, max +35% (To be determined on typical parts in addition to slab stock from same batch of material.) Hardness, Durometer “A“ Change, max -25 Bend Test No cracks when bent flat against itself
