1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 02 N-STATUS Replaced by WSS-M99P32-B; Deleted 3.18 A. Reaume 2004 07 20 Revised Para 3.0 inserted; para 3.15, 3.16, 3.17, 3.19 & 4 deleted 1972 11 29 Released E3B-192 CE3B-085014 Printed copies are uncontrolled Copyright 2006, Ford Glo
2、bal Technologies, LLC Page 1 of 2 POLYURETHANE FOAM, OPEN CELL - RETICULATED ESE-M2D224-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a completely open cell, reticulated polyurethane foam with a 97% void-volume relationship. 2. APPLICATION This specification
3、was released originally for material used where a completely open cell construction is needed, such as a filter in the spark delay valve. 3. REQUIREMENTS 3.0 STANDARD REQUIRMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Pro
4、duction Materials (WSS-M99P1111-A). 3.1 DENSITY 25.6 - 32 kg/m3(ISO 845/ASTM D 3574, Test A) 3.2 TENSILE STRENGTH, min 140 kPa (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens min) 3.3 ELONGATION AT BREAK, min 175% (Test according to para 3.2) 3.4 TEAR RESISTANCE, min 410 N/m (ISO DIS 8
5、067/ASTM D 3574, Test F, 50 mm/min test speed) 3.5 COMPRESSION SET, max 10% (ISO 1856, Method A/ASTM D 3574, Test D, 22 h at 70 C, 50n % deflection Ct calculation, 3 specimens min) 3.6 HEAT AGING (ISO 2440/ASTM D 3574, Test K, 22 h at 140 +/- 2 C) Tensile Strength Change, max -40% (Test according to
6、 para 3.2) ENGINEERING MATERIAL SPECIFICATIONESE-M2D224-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 2 3.7 ODOR, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.8 COLD FLEXIBILITY AT -40 C No cracking Test Method: Condition 3 specimens 12.7 x 50 x 200 mm for 5
7、to 6 h in a cold chamber maintained at -40 C. Without removing from chamber, bend the specimen 180 over a temperature conditioned 12.7 mm diameter mandrel. 3.9 COMPRESSION DEFLECTION STRESS (ISO 3386/1, 100 x 100 x 50 mm specimen size, 100 +/- 20 mm/min test speed, 3 specimens min) At 25% Compressio
8、n, min 2.7 kPa At 65% Compression, min 6.2 kPa 3.10 CELL STRUCTURE 30 - 36 cells/linear 10 mm or as specified on engineering drawing. Homogeneous, open fine cell structure with no large voids or solid spots. It shall be free from internal defects, such as cold shuts, folds, laps and tears. It must b
9、e 100% open cell. 3.11 OZONE RATING Must meet ESB-M9P1-A (FLTM BP 101-01) 3.12 CHEMICAL RESISTANCE No surface tackiness or evidence of foam deterioration. Test Method: Immerse 50 x 25 x 3.2 mm foam specimens in Fuel B for 22 h at room temperature. 3.13 IGNITION TEMPERATURE, min 218 C (ASTM D 1929) 3.14 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/min
