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 3.7 & 4 deleted 1963 05 10 Released AS2-221 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of
2、 1 RUBBER, NEOPRENE LATEX - COATING ESA-M2D69-A - OIL RESISTANT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a neoprene compound used in the manufacture of dipped goods and coatings. 2. APPLICATION This specification was released originally for material used f
3、or coating boots, clips, sponge parts and fabrics, where oil resistance is a requirement. 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 ORIGINA
4、L PROPERTIES 3.1.1 Hardness, Durometer “A“ 50 - 60 (ASTM D 2240, ply-up to 0.175-0.250 in (4.45-6.35 mm) thick) 3.1.2 Tensile Strength, min 1,500 psi (ASTM D 412, die “C“, film thickness (10.3 MPa) 0.025-0.030 in (0.64-0.76 mm) Elongation, min 400% 3.2 HEAT AGED (ASTM D 573 or D 865, 70 h at 100 C) Hardness, Durometer “A“ Change, max +10 Tensile Strength, min 1,200 psi (8.3 MPa) Elongation, min 300% 3.3 IMMERSION IN ASTM OIL #2 (ASTM D 471, 22 h at 100 C) Volume Change, max 50% 3.4 TENSION SET AT 300% ELONGATION, max 20% (ASTM D 412) 3.5 OZONE RATING 0 (FLTM BP 101-01), max 3.6 COLOR Black
