1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 18 N-STATUS Replaced by WSB-M2D402-A3 2005 01 13 Revised Inserted 3.0; Deleted 3.13 & 4 1963 06 04 Released CF6-119553-1 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 2 POLYURETHANE FOAM, OPEN
2、 FINE CELL ESF-M4D155-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is primarily an open fine celled polyester urethane foam. 2. APPLICATION This specification was released originally for material used as gasketing for air cleaners. 3. REQUIREMENTS 3.0 STANDARD
3、REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 THICKNESS As specified on engineering drawing 3.2 DENSITY 3.5 - 4.2 lb/ft3 (56 - 67 kg/m3) (ASTM D 297) 3.3 TENSILE STRENGTH,
4、min 28 psi (193 kPa) (ASTM D 1564, Die “A“) Elongation, min 225% 3.4 TEAR RESISTANCE, min 4 lb/in (0.7 kN/m) (ASTM D 1564) 3.5 COMPRESSION SET, max 10% (ASTM D 1564, Method “B“, 22 h at 70 +/- l C, 50% constant deflection) 3.6 RESISTANCE TO DETERIORATION No visible degradation (FLTM BO 012-01, steps
5、 2 - 8) Test part samples as received or die cut 4 x 4 in (100 x 100 mm) specimens. 3.7 ODOR No offensive odor, as received, during or after the deterioration test (para 3.6). ENGINEERING MATERIAL SPECIFICATION ESF-M4D155-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LL
6、C Page 2 of 2 3.8 COLD FLEXIBILITY No cracking Test Method: Condition three specimens, 2 x 8 in (50 x 200 mm), for a minimum of 5 h in a cold chamber maintained at -40 C. Without removing from chamber, bend the specimens 180 over a temperature conditioned mandrel equivalent in diameter to the thickn
7、ess of the foam. 3.9 25% COMPRESSION DEFLECTION 0.50 - 0.90 psi (3.4 - 6.2 kPa) (ASTM D 1564, 4 x 4 in (100 x 100 mm specimens) 3.10 CELL STRUCTURE 50 cells/linear in (20 cells/10 mm) minimum The material shall have a homogeneous, open, fine cell structure with no large voids or solid spots. It shal
8、l be free from internal defects such as cold shuts, folds, laps and tears. 3.11 OZONE RATING Must meet ESB-M9P1-A (FLTM BP 101-01) 3.12 FLAMMABILITY, max 12 in (304 mm)/min (SAE J 369) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value.
