1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 04 28 N-STATUS Replaced by WSS-M99P32-B; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8 & 4 A. Reaume 1994 12 08 NB00I10043054405 Released D.W. Whyte, A.J. Stocki Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Pag
2、e 1 of 4 PADDING, POLYURETHANE FOAM, SLAB, POINT BONDED NON WOVEN WSB-M17H93-C8 FABRIC REINFORCED, REDUCED KNUCKLING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a point bonded non woven fabric reinforced slab polyether polyurethane foam padding. 2. APPLICATIO
3、N This specification was released originally for material used for trilamination to seating fabrics or vinyl coated fabrics. It is intended for applications where knuckling of the surface material in the trilaminate is a problem. 3. REQUIREMENTS Material specification requirements are to be used for
4、 initial qualification of materials. 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 FOAM REQUIREMENTS (without fabric reinforcement) 3.4.1 Density, min 29 kg/m3
5、(ISO 845/ASTM D 3574, Test A) 3.4.2 Tensile Strength, min 83 kPa (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens min) 3.4.2.1 Elongation at Break, min 200% (Test according to para 3.4.2) 3.4.3 Tear Strength, min 350 N/m (ASTM D 1004, except thickness measured per ASTM D 3574) 3.4.4 Com
6、pression Set, max (ISO 1856, Method A/ASTM D 3574, Test D, Cd calculation, 22 h at 70 C, 75% deflection, 3 specimens min) Normal 15% Steam Autoclave* 20% *Expose samples per ISO 2440/ASTM D 3574, Test J, Procedure J1, prior to testing for compression set. ENGINEERING MATERIAL SPECIFICATIONWSB-M17H93
7、-C8 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.4.5 Cell Structure The foam shall have a homogenous medium sized cell structure with no large voids or solid spots which may impair the serviceability of the material. 3.5 FABRIC REQUIREMENTS 3.5.1 Compos
8、ition 100% polyester 3.5.2 Construction Spun bonded non woven fabric that has been point bonded with heat and pressure 3.5.3 Weight, min 14 g/m2(FLTM BN 106-01) 3.5.4 Breaking Strength, min (ASTM D 5034, Grab Method, 300 mm/minute jaw speed, avg of 5 samples, each direction) Warp & Fill 20 N 3.5.5 E
9、longation at Break, max (ASTM D 5034, Grab Method, 300 mm/minute jaw speed) Warp & Fill 105% 3.5.6 Tear Strength, min (ASTM D 1117, Integration Method*, avg of 5 samples, each direction) Warp & Fill 5 N *Average determined by Integration Method as approved by Materials Engineering. 3.6 ASSEMBLY REQU
10、IREMENTS (Foam with Sheeting) 3.6.1 Loaded Height (SAE J815, Steps 1 thru 4 only, 380 x 380 mm test specimen, fabric surface down) Original Foam Thickness 222 N Under 4.4 N Preload* IRGL, Range mm mm 6.35 1.5 - 4.1 9.38 2.5 - 5.1 12.70 3.6 - 6.1 15.88 4.6 - 7.1 19.05 5.1 - 7.6 25.40 7.6 - 10.2 31.25
11、 10.2 - 12.7 *Original thickness tolerances under 4.4 N load are +2.3/-0.3 mm. ENGINEERING MATERIAL SPECIFICATIONWSB-M17H93-C8 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.6.2 Loaded Height Loss After Autoclave Aging, max 15% (SAE J815 (Steps 1 thru 4 o
12、nly), 150 x 150 x 13 mm test specimen, fabric surface down) Test Method: Measure the 222 N IRGL. Then expose sample per ISO 2440/ASTM D 3574, Test J, Procedure J1. Then conduct 222 N IRGL on aged sample and calculate % loss. 3.6.3 Compression Set, max 10% (ISO 1856, Method A/ASTM D 3574, Test D, 7 d
13、 at 45 +/- 2 C, 50% deflection, Cd calculation, specimen size 100 x 100 x 25 mm, 3 specimens min) 3.6.4 Dimensional Stability (SAE J315, Method C for 1 h at 120 C*, measure after 30 minutes at 23 C and 50% relative humidity) MD +/- 2.0% AMD +/- 2.0% *Immediately prior to oven exposure, immerse speci
14、mens in water for 1 minute and then shake off water excess. 3.6.5 Ply Adhesion (Sheeting to Foam), min 130 N/m width (ASTM D 413, Machine Method, strip specimen) 3.6.6 Flexibility No cracking or crumbling of foam Test Method: Expose samples per ISO 2440/ASTM D 3574, Test J, Procedure J1. Then bend 1
15、80 around a 6.4 mm mandrel. 3.6.7 Low Temperature Flexibility (FLTM BN 102-01) No evidence of cracks or failure at -35 +/- 1 C. 3.6.8 Fogging (SAE J1756, Photometric Procedure, fabric side down) Fog Number, min 60 The formation of droplets or coalescence into a clear film is cause for rejection. 3.6
16、.9 Odor Rating 2 (FLTM BO 131-01/SAE J1351) ENGINEERING MATERIAL SPECIFICATIONWSB-M17H93-C8 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4 3.6.10 Resistance to Staining Equal to control sample (SAE J1885) Test Method: Typical light colored WSB-M2F177-A or e
17、quivalent supported vinyl (PVC) trim material shall be placed in intimate contact over a 68 x 145 mm specimen of the foam/fabric material. Run a control sample of the same light colored WSB-M2F177-A material at the same time. Expose test samples for 225.6 kJ/m2. Remove from xenon weatherometer and examine. 3.7 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PEUR,PET
