1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 27 N-STATUS Replaced by WSS-M15P45-B C. Mracna, NA 2005 01 26 Revised Removed Inactive WSK-M2D408-A2; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7, 4; Corrected numbering in 3.5.6 1991 12 02 Released EP00E01089491000 K. Gerhards Print
2、ed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 3 POLYURETHANE (PUR) FOAM, SLAB STOCK WSK-M2D408-A3 FLEXIBLE, MICROPOROUS, HIGH DENSITY NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a slab stock flexible microporous polyuretha
3、ne foam with high density. 2. APPLICATION This specification was released originally for material used in armrests and as sealers. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Productio
4、n Materials (WSS-M99P1111-A). 3.4 APPEARANCE The foam shall have a homogeneous medium sized cell structure with no large voids or solid spots which may impair the serviceability of the material. 3.5 TEST SPECIMEN 3.5.1 Density, kg/m3, min 120 (ISO 845/ASTM D 3574, Test A) 3.5.2 Tensile Strength, kPa
5、, min 200 (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens minimum) 3.5.2.1 Elongation at Break, %, min 100 (Test according to para 3.5.2) 3.5.3 Tear Strength, N/m, min 350 (ISO DIS 8067/ASTM D 3574, Test F, 50 mm/minute test speed) 3.5.4 Compression Set, %, max (ISO 1856, Method A/ASTM
6、 D 3574, Test D, Ct calculation, 22 h at 70 C, 3 specimens minimum) 3.5.4.1 At 50% Deflection 3 3.5.4.2 At 75% Deflection 5 ENGINEERING MATERIAL SPECIFICATIONWSK-M2D408-A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 3 3.5.5 Compression Deflection Stress, k
7、Pa 30 (ISO 3386/1 at 40% compression, +/- 6 specimen size 100 x 100 x 50 mm, test speed 100 +/- 20 mm/min) 3.5.6 Heat Ageing (ISO 2440/ASTM D 3574, Test K, 22 h at 140 +/- 2 C) 3.5.6.1 Compression Deflection Stress Change, %, max 55 (ISO 3386/1, 40 % compression 100 x 100 x 50 mm specimen, 100 +/- 2
8、0 mm/minute test speed, 3 specimens minimum) 3.5.7 Humidity Ageing (AUTOCLAVE) (ISO 2440/ASTM D 3574, Test J, 100 x 100 x 50 mm specimen, 3 h at 105 C) 3.5.7.1 Compression Deflection Stress Change 30% (Test acc. To para 3.5.5.1) 3.5.7.2 Compression Set, max 5% (Test acc. to para 3.5.4.1 absolute fig
9、ures) 3.5.8 Staining None Test Method: Cover an approx. 100 x 100 x 10 mm foam specimen (with surface skin on one side) with a section of light colored standard vinyl (FLTM BN 103-01). Expose assemblies (surface skin of foam facing light source) for 150 h in the Fluorescent Sunlamp Cabinet (equipmen
10、t as specified in FLTM BO 115-01). Control specimens of vinyl should also be exposed. Evaluate the standard material after cooling to room temperature. 3.5.9 Fogging (FLTM BO 116-03) Fog Number, min 80 3.5.10 Odor, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.5.11 Ash Content, max 1% (ISO 247, Method B
11、/ASTM D 1278, 800 +/- 25 C) 3.5.12 Flammability (ISO 3795) Burn Rate, max 100 mm/minute ENGINEERING MATERIAL SPECIFICATIONWSK-M2D408-A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE SAE OPTIONAL PUR
