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 3.12, 3.13 & 4 deleted 1982 08 13 Released 3N2K-450-1 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 2 R
2、UBBER, PVC/NBR BLEND - FILLED ESA-M2D324-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a filled PVC/NBR elastomer. 2. APPLICATION This specification was released originally for a compounded PVC/NBR blend used in steering column boots. 3. REQUIREMENTS 3.0 STAN
3、DARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 TENSILE STRENGTH, min 1,000 psi (ASTM D 412, Die C) (6.9 MPa) 3.2 ELONGATION, min 350% (ASTM D 412, Die C) 3.3 HARDNESS,
4、DUROMETER “A“ 65 +/- 5 (ASTM D 2240) 3.4 COMPRESSION SET, max 80% (ASTM D 395, Method B, plied, 22 h at 125 C) 3.5 HEAT AGED (ASTM D 865, 70 h at 125 C) 3.5.1 Hardness, Durometer “A“ Change, max +10 3.5.2 Tensile Strength Change +/- 10% 3.5.3 Elongation Change +/- 40% 3.6 TEAR STRENGTH, min 91.4 lb/
5、in (ASTM D 624, Die C) (16 kN/m) 3.7 LOW TEMPERATURE BRITTLENESS, max -40 C (ASTM D 746) 3.8 OZONE RATING Must pass ESB-M9P1-A ENGINEERING MATERIAL SPECIFICATIONESA-M2D324-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.9 SPECIFIC GRAVITY 1.71 +/- 0.03 (ASTM D 792) 3.10 FILLER CONTENT (Emission Spectroscopy) 3.10.1 Lead Oxide 21 +/- 2% 3.10.2 Zinc Oxide 18 +/- 2% 3.10.3 Silicon Dioxide 5 +/- 2% 3.11 Parts and material must conform to ESA-M9P7-A.
