1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2014 10 02 N Status Replace with WSS-M99P48-A1/2/3 L. Soreide, NA 2004 08 25 Revised Removed Inactive WSD-M2D243-A3; para 3.0 inserted, para 3.1, 3.2, 3.3, 3.5.14 and 3.6, 3.7, 4 deleted, para 2, 3.5.8 revised 1991 05 29 Released C1014
2、1650 P. Thomas Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 3 POLYURETHANE (PUR) FOAM, FLAME BONDABLE WSD-M2D243-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are slab stock flexible polyether polyurethane foams. 2. A
3、PPLICATION This specification was released originally for material used in fabric flame laminates. 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、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 part. 3.5 TEST SPECIMEN The following material properties shall be determined on specimens taken from the core 6 - 10 mm from the surface skin, unl
5、ess otherwise specified. The specimens shall be free of voids, hard spots and densification lines. 3.5.1 Density, Core 37 +/- 3 kg/m3 (ISO 845/ASTM D 3574, Test A) 3.5.2 Tensile Strength, min 100 kPa (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens minimum) 3.5.3 Tear Strength, min 300
6、N/m (ISO 8067/ASTM D 3574, Test F, 50 mm/minute test speed) 3.5.4 Compression Set, max 10% (ISO 1856, Method A/ASTM D 3574, Test D, Ct calculation, 22 h at 70 C, 50% deflection, 3 specimens minimum) ENGINEERING MATERIAL SPECIFICATION WSD-M2D243-A2 Copyright 2014, Ford Global Technologies, LLC Page 2
7、 of 3 3.5.5 Compression Deflection Stress 3.0 - 4.0 kPa (ISO 3386/1, 40% compression, 100 x 100 x 50 mm specimen, 100 +/- 20 mm/minute test speed, 3 specimens minimum) 3.5.6 Heat Aging (ISO 2440/ASTM D 3574, Test K, 22 h at 140 +/- 2 C) 3.5.6.1 Compression Deflection Stress Change, max +/- 10% (Test
8、 acc. to para 3.5.5 3 specimens minimum) 3.5.7 Humidity Aging (AUTOCLAVE) (ISO 2440/ASTM D 3574, Test J, 100 x 100 x 50 mm specimen, 5 h at 120 C) 3.5.7.1 Compression Deflection Stress Change, max +/- 40% (Test acc. to para 3.5.5) 3.5.7.2 Compression Set, max 40% (Test acc. to para 3.5.4 absolute fi
9、gures, Autoclave age uncompressed specimens first) 3.5.8 Cell Count, Cells/100 mm WSD-M2D243-A2: 190 - 240 Test Method: Cut a slice of foam as thin as possible and place it on an overhead projector together with a scale. Count the number of cells per linear unit over a distance of 100 mm. 3.5.9 Stai
10、ning None (FLTM BO 115-01) Cut out a sample of foam approx. 100 x 100 x 10 mm. Cover the larger side with white vinyl Accessory Test Material according to FLTM BN 103-01 with the glossy side uppermost and staple in place. Expose for 168 hours with the vinyl surface facing the light at a distance of
11、300 mm. 3.5.10 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or crystals is cause for rejection. ENGINEERING MATERIAL SPECIFICATION WSD-M2D243-A2 Copyright 2014, Ford Global Technologies, LLC Pa
12、ge 3 of 3 3.5.11 Odor, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.5.12 Ash Content, max 1% (ISO 247, Method B/ASTM D 1278, 800 +/- 25 C) 3.5.13 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PUR
