1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 04 27 N Status No longer used no replacement named L. Sinclair, NA 2006 08 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1991 05 02 Released EP00E0108948400 K. Gerhards Copyright 2015, Ford Global Technologies, LLC Page 1
2、of 3 LAMINATE, POLYURETHANE (PUR) FOAM PE-EXPANDED WSK-M96D28-A2 SHEETING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a low density slab stock polyurethane foam laminated with an expanded PE polyethylene sheeting. 2. APPLICATION This specification was release
3、d originally for material used as door water shield. 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 POLYURETHANE FOAM The foam shall have a homo
4、geneous medium sized cell structure with no large voids or cracks which may impair the serviceability of the part. 3.4.1 Dimensions As specified on (ISO 1794) Engineering Drawing 3.4.2 Density, min 22 kg/m3 (ISO 845/ASTM D 3574, Test A) 3.4.3 Tensile Strength, min 140 kPa (ISO 1798/ASTM D 3574, Test
5、 E, 5 specimens minimum) 3.4.3.1 Elongation, min 160% (Test acc. to para 3.5.2) 3.4.4 Compression Set, max 15% (ISO 1856, Method A/ASTM D 3574, Test D, 22 h at 70 C, 50% deflection, 3 specimens, minimum) 3.4.5 Compression Deflection Stress 2.8 - 4.4 kPa (ISO 3386/1 at 40% compression, specimen size
6、100 x 100 x 50 mm test speed 100 +/- 20 mm/minute) 3.4.6 Humidity Aging (Autoclave) (ISO 2440/ASTM D 3574, Test J, 3 h at 105 C) ENGINEERING MATERIAL SPECIFICATION WSK-M96D28-A2 Copyright 2015, Ford Global Technologies, LLC Page 2 of 3 3.4.6.1 Compression Deflection Stress Change, max +/- 25% (Test
7、acc. to para 3.4.5) 3.4.7 Heat Aging (ISO 2440/ASTM D 3574, Test K, 22 h at 140 +/- 2 C) 3.4.7.1 Compression Deflection Stress Change, max +/- 10% (Test acc. to para 3.4.5) 3.5 POLYETHYLENE SHEETING, EXPANDED 3.5.1 Thickness As specified on (ISO 4593) Engineering Drawing 3.5.2 Density, max 32 +/- 5
8、kg/m3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength, min 130 kPa (ISO 1184, type 2 specimens, test speed 500 mm/minute) 3.5.3.1 Elongation at break, min 50% (Test Method according to para 3.5.3) 3.5.4 Compression Load Deflection 20 - 50 kPa (ASTM D 1056) 3.6 LAMINATE 3.6.1 Lamina
9、tion Adhesion, min (FLTM BN 151-05, Method A) . Original 2 N/25 mm . After Heat Aging 2 N/25 mm . After Cold Test 2 N/25 mm . After Humidity Aging 2 N/25 mm 3.6.2 Cold Flexibility at -30 C No cracks (FLTM BN 102-01, except diameter of mandrel to be equal to laminated material thickness, specimen sha
10、ll be bent film facing mandrel) 3.6.3 Fogging (FLTM BO 116-03) Fog Number, min 70 The formation of droplets or coalescence into a clear film is cause for rejection. ENGINEERING MATERIAL SPECIFICATION WSK-M96D28-A2 Copyright 2015, Ford Global Technologies, LLC Page 3 of 3 3.6.4 Odor, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute
