1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 09 17 N-STATUS Replaced by WSS-M15P45-B C. Mracna, NA 2004 09 21 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.7, 3.8 & 4 deleted 1993 05 03 Released EP00E10258815000 K. Gerhards Printed copies are uncontrolled Copyright 2009, Ford Glo
2、bal Technologies, LLC Page 1 of 2 POLYURETHANE (PUR) FOAM, MOLDED WSK-M2D415-A4 SEMIRIGID, 160 kg/m3NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a molded semirigid polyurethane foam. 2. APPLICATION This specification was released originally for material used i
3、n instrument panels. 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). 3.4 APPEARANCE The foam shall have a homogeneous medium sized cell structure wit
4、h no large voids or solid spots which may impair the serviceability of the part. 3.5 TEST SPECIMEN The following material properties shall be determined on specimens taken from the molded part with surface skin cut off wherever possible. In case the part dimensions do not allow the preparation of sp
5、ecimens as requested, specimens shall be prepared from a 200 x 200 x 40 mm molded foam block. These specimens shall be free of voids, hard spots and densification lines. 3.5.1 Density 140 - 160 kg/m3(ISO 845) 3.5.2 Tensile Strength, min 240 kPa (ISO 1798, 50 mm bench marks, 5 specimens minimum) 3.5.
6、2.1 Elongation at Break, min 35% (Test according to para 3.5.2) 3.5.3 Tear Strength, min 180 N/m (ISO 8067, 50 mm/minute test speed) 3.5.4 Compression Set, max 18% (ISO 1856, Method A, Ct calculation, 22 h at 70 C, 50% deflection, 3 specimens minimum) ENGINEERING MATERIAL SPECIFICATIONWSK-M2D415-A4P
7、rinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.5.5 Compression Deflection Stress 40 - 60 kPa (ISO 3386/1 at 40% compression, specimen size 50 x 50 x 25 mm, 100 +/- 20 mm/minute test speed) 3.5.6 Heat Aging (ISO 2440, 22 h at 140 +/- 2 C) 3.5.6.1 Compressio
8、n Deflection Stress Change, max +/- 45% (Test acc. to para 3.5.5) 3.5.7 Humidity Aging (AUTOCLAVE) (ISO 2440, 5 h at 120 C) 3.5.7.1 Compression Deflection Stress Change, max +/- 50% (Test acc. to para 3.5.5) 3.5.7.2 Compression Set, max 20% (Test acc. to para 3.5.4) 3.5.8 Fogging, min (FLTM BO 116-0
9、3, 3 h at 100 C heating, 21 C cooling plate) Fog Number, min 70 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.5.9 Odor, max Rating 2 (FLTM BO 131-01) 3.5.10 Flammability (ISO 3795) Burn Rate, max 100 mm/minute 3.6 COMPATIBILITY The foam material must be compatible with the production released cover material. For detail see relevant Engineering Drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PUR
