1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 25 N-STATUS No replacement named C. Mracna, NA 2004 07 21 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6, 3.7 & 4 deleted 1994 07 12 Released C10422860 P. Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LL
2、C Page 1 of 3 POLYURETHANE (PUR) FOAM, FLAME BONDABLE WSD-M2D243-A4 POLYURETHANE (PUR) FOAM, FLAME BONDABLE WSD-M2D243-A5 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are slab stock flexible polyester polyurethane foams. 2. APPLICATION These specifications wer
3、e 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 APPEARANCE The foam shall have
4、 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, unless otherwise specified. The spe
5、cimens shall be free of voids, hard spots and densification lines. A4 A5 3.5.1 Core Density, kg/m324 - 30 30 - 36 (ISO 845/ASTM D 3574, Test A) 3.5.2 Tensile Strength, kPa, min 120 150 (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens minimum) 3.5.3 Tear Strength, N/m, min 250 300 (ISO 8
6、067/ASTM D 3574, Test F, 50 mm/minute test speed) 3.5.4 Compression Set, %, max 12 8 (ISO 1856, Method A/ASTM D 3574, Test D, Ct calculation, 22 h at 70 C, 50% deflection, 3 specimens minimum) ENGINEERING MATERIAL SPECIFICATIONWSD-M2D243-A4/A5Printed copies are uncontrolled Copyright 2010, Ford Glob
7、al Technologies, LLC Page 2 of 3 3.5.5 Compression Deflection Stress (ISO 3386/1, 40% compression, 100 x 100 x 50 mm specimen, 100 +/- 20 mm/minute test speed, 3 specimens minimum) Center of block 4.0 - 6.0 kPa Top to base of block 3.0 - 6.0 kPa 3.5.6 Heat Aging (ISO 2440/ASTM D 3574, 22 h at 105 +/
8、 2 C)* *Note non-standard test conditions. 3.5.6.1 Compression Deflection Stress Change, max +/- 20% (Test acc. to para 3.5.5, 3 specimens minimum) 3.5.7 Humidity Aging (AUTOCLAVE) (ISO 2440/ASTM D, 100 x 100 x 50 mm specimen, 3 h at 115 C)* *Note non-standard test conditions. 3.5.7.1 Compression D
9、eflection 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 figures, Autoclave age uncompressed specimens first) 3.5.8 Cell Count, Cells/100 mm 170 - 250 Test Method: Cut a slice of foam as thin as possible and place it on an over
10、head projector together with a scale. Count the number of cells per linear unit over a distance of 100 mm. 3.5.9 Staining 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 glos
11、sy side uppermost and staple in place. Expose for 168 hours with the vinyl surface facing the light at a distance of 300 mm. 3.5.10 Fogging (FLTM BO 116-03) Fog Number, min 70 ENGINEERING MATERIAL SPECIFICATIONWSD-M2D243-A4/A5Printed copies are uncontrolled Copyright 2010, Ford Global Technologies,
12、LLC Page 3 of 3 Formation of a clear film, droplets or crystals is cause for rejection. 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 Note: The foam wi
13、ll not be tested separately from the textile/foam laminate of which it forms an integral part. 3.6 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specifications. All critical areas with respect to these properties shall be clearly designated on the engineering drawing. 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PUR
