1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 04 N-STATUS Replaced by WSS-M99P32-B; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9 & 4. A. Reaume 2000 09 12 Revised Updated A. Cockman 1992 02 06 NB00I10043054155 Released J. D. Salow, A. J. Stocki Printed copies are uncontrolled Copyrigh
2、t 2006, Ford Global Technologies, LLC Page 1 of 5 PADDING, POLYURETHANE SLAB FOAM, LOOP FABRIC ESB-M17H157-B REINFORCED, LOW FOGGING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a slab polyurethane foam padding, reinforced with a low fogging, heat set tricot M
3、alimo loop fabric. 2. APPLICATION This specification was released originally for material used in the construction of seat covers to provide both a reinforcement for sewing, and as an aid to hold down the trim cover. 3. REQUIREMENTS Material specification requirements are to be used for initial qual
4、ification 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 FABRIC CONSTRUCTION 3.4.1 Fabric Count, +/- 7% tolerance (ASTM D 3887) Loops Rows Loops/c
5、m 6.0 5.5 Ends/cm Picks/cm Base Fabric 9.8 5.5 3.4.2 Yarn Construction (ASTM D 1244) Base Fabric: Warp 26.8 tex (polyester, air spun, 1.3 d tex, 38 mm staple) Fill 42.2 tex (polyester, air spun, 1.3 d tex, 38 mm staple) Loops 16.7 tex f 34 (polyester) ENGINEERING MATERIAL SPECIFICATIONESB-M17H157-B
6、Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.4.3 Loop Height, +/- 10 % tolerance 5.0 mm 3.4.4 Finishing Operation Heat Set 3.5 FABRIC REQUIREMENTS 3.5.1 Weight, min 88 g/m2(FLTM BN 106-01) 3.5.2 Breaking Strength, min (ASTM D 1682, Grab Method) Warp 178
7、 N Fill 160 N 3.5.3 Trapezoid Tear, min (FLTM BN 122-01) Warp 40 N Fill 40 N 3.5.4 Stretch & Set, max (FLTM BN 104-01) Stretch Set Warp 18% 9% Fill 15% 9% 3.6 FOAM REQUIREMENTS (Without Sheeting) 3.6.1 Tensile Strength, min 83 kPa (ASTM D 3574, Die A) 3.6.1.1 Elongation, min 150% 3.6.2 Tear Resistan
8、ce, min 260 N/m (ASTM D 3574) 3.6.3 Compression Set, max (FLTM BN 115-07, 22 h at 70 +/- 1 C at 75% constant deflection, computed on original deflection) Normal 15% Steam Autoclave Aged 25% Test Method (Steam Autoclave Aged): The specimens shall be subjected to the conditions in FLTM BO 112-01 (Step
9、s 6 - 8), after which the compression set shall be determined in keeping with para 3.6.3. ENGINEERING MATERIAL SPECIFICATIONESB-M17H157-B Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 3.6.4 Density, min 24 kg/m3(ASTM D 3574, the density shall be determined
10、 on the foam without sheeting) 3.6.5 Cell Structure Shall have a homogeneous medium sized cell structure with no large voids. 3.7 LAMINATED MATERIAL REQUIREMENTS (Foam bonded to fabric) 3.7.1 Loaded Height (SAE J815, Steps 1 through 4 only) A 305 x 305 mm test specimen shall be indented. For laminat
11、es of various thicknesses, the 222 N Indentation Residual Gage Load (IRGL) readings shall meet the following requirements, when tested with the fabric surface down, or other ranges as designated on pattern drawings. Original Foam Thickness IRGL Range(mm) Under 4.4 N Preload(mm)* 6.35 1.5 - 4.1 9.38
12、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 10.2 - 12.7 *Original thickness tolerance under 4.4 N load is +2.3 - 0.3 mm. 3.7.2 Staining None Typical light colored seating grade vinyl coated fabrics and bodycloths shall be placed in contact over 100 x 100 mm speci
13、mens of the foam side of the laminate. Expose the assembly for 7 days at 82 C in a mechanically convected oven. 3.7.3 Odor, max Rating 2 (SAE J1351) 3.7.4 Fogging (SAE J 1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 60 Formation of clear film, d
14、roplets or crystals is cause for rejection. ENGINEERING MATERIAL SPECIFICATIONESB-M17H157-B Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 3.7.5 Solvent Resistance No evidence of foam deterioration Test Method: Immerse specimens of the foam in the following
15、 approved fabric and upholstery cleaners for a period of 1 h each at 23 +/- 2 C . M14J503, Petroleum napthol spirits . ESF-M8B12-A, Denatured alcohol 3.7.6 Ply Adhesion (Fabric to Foam), min (ASTM D 413, Machine Method, 50 mm strip specimen, 0.85 mm/s jaw speed, avg. of 5 specimens) Original (see no
16、te) MD 210 N/m AMD 210 N/m Aged 24 h at 82 C (see note) MD 210 N/m AMD 210 N/m Aged 7 days at 38 C and 90% RH (see note) MD 210 N/m AMD 210 N/m Note: The test samples shall exhibit foam particles adhering to the fabric after testing. 3.7.7 Gripping Strength Fabric to Hook Retention Tape, min (ASTM D
17、 413, Machine Method, jaw speed 5.1 MM/S, AVG OF 5 SPECIMENS) Test Method: Apply a 250 x 25 mm tape length over a 250 x 50 mm loop fabric/foam sample allowing approximately 25 mm overhang. Pass a 6.8 kg roller lengthwise over the tape/fabric foam assembly once in each direction. For repeat tests, ap
18、ply the tape exactly over the same area of the fabric and roll twice as above. Note: Use tape No. 902 - Nylon 11 (ESEN 4D275-A) constructed as per the engineering drawing. Initial MD 175 N/m AMD 155 N/m ENGINEERING MATERIAL SPECIFICATIONESB-M17H157-B Printed copies are uncontrolled Copyright 2006, F
19、ord Global Technologies, LLC Page 5 of 5 After second and third application over same area MD 140 N/m AMD 140 N/m After Steam Aging MD 140 N/m AMD 140 N/m Age new specimens at 38 C and 90% RH for 30 minutes. Remove, dry for 1 h at 102 C and test once at room temperature. 3.7.8 Flex Fold Resistance (
20、FLTM BN 102-04, Procedure B, 10 000 cycles, MD and AMD, Needle No. 24, 20 - 24 stitches/100 mm) Test samples shall be an assembly of currently released vinyl coated fabric or bodycloth, foam not greater than 13 mm in thickness, and sheeting used in applicable fales operation, with 3 equally spaced s
21、ewn seams. (Test by gripping foam/ fabric only.) The loop fabric shall show no evidence of objectionable seam separation or fraying and shall be equal to currently released ESB-M9H108 fabric tested simultaneously. 3.7.9 Dimensional Stability, max (SAE J315, Method C for 1 h at 120 C* and measure after 30 minutes at room temperature) MD -4.0% AMD -1.0%3.7.10 Deterioration No foam softening, loss of (FLTM BO 112-01, resilience, or crumbling 5 H AT 120 C) 3.8 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute
