1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 12 N-STATUS No known use. No Replacement Named C. Mracna, NA 2004 06 30 Revised Para 3.0 inserted; para 3.8 & 4 deleted 1965 08 18 Released 6E3-260 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of
2、 2 TUBING, CHLOROSULFONATED POLYETHYLENE RUBBER ESE-M2D158-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a synthetic base rubber compound of high temperature and ozone resistances and medium oil resistance. 2. APPLICATION This specification was released origi
3、nally for material used as a vacuum tube for engine applications. 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). 3.1 CONSTRUCTION Tubing 3.2 ORIGINA
4、L PHYSICAL PROPERTIES 3.2.1 Tensile Strength, min 1,500 psi (ASTM D 412) (10.3 MPa) Elongation, min 200% 3.2.2 Hardness, Durometer “A“ 65 - 75 (ASTM D 2240) 3.3 HEAT AGED PROPERTIES (ASTM D 865, 70 h at 149 +/- 1 C) Tensile Strength Change, max -20% Elongation Change, max -60% Hardness, Durometer “A
5、 Change, max +15 3.4 OZONE RATING Must meet (FLTM BP 101-01) ESB-M9P1-A 3.5 COLD FLEXIBILITY No cracks (FLTM BP 106-03, 5 h at -40 C) 3.6 VACUUM COLLAPSE, max 20% Test Method: The collapse of the outer diameter of the tubing produced from this compound, shall be measured after 5 min exposure to int
6、ernal vacuum of 24 in Hg (81 kPa). ENGINEERING MATERIAL SPECIFICATIONESE-M2D158-A Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.7 IMMERSION IN ASTM FUEL “A“ (ASTM D 471, 24 h at 23 +/- 2 C) Tensile Strength Change, max -40% Elongation Change, max -25% Volume Change, max +10% Hardness, Durometer “A“ Change +/- 5
