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    FORD WSK-M2D406-A-2004 POLYURETHANE (PUR) FOAM ACOUSTIC GRADE TO BE USED WITH FORD WSS-M99P1111-A 《声学级聚氨酯(PUR)泡沫 与标准FORD WSS-M99P1111-A一起使用 》.pdf

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    FORD WSK-M2D406-A-2004 POLYURETHANE (PUR) FOAM ACOUSTIC GRADE TO BE USED WITH FORD WSS-M99P1111-A 《声学级聚氨酯(PUR)泡沫 与标准FORD WSS-M99P1111-A一起使用 》.pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2013 10 01 N Status D. Murtonen, NA 2004 09 21 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6, 3.7 & 4 deleted 1989 08 31 Released SM/EQ7118 TP KH Gerhards Copyright 2013, Ford Global Technologies, LLC Page 1 of 3 POLYURETHANE (PUR

    2、) FOAM, ACOUSTIC GRADE WSK-M2D406-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a low density slab stock polyurethane foam on polyether base with acoustic properties. 2. APPLICATION This specification was released originally for material used as sound absorbi

    3、ng plugs in A-pillars. 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 a homogeneous medium sized cell structure w

    4、ith no large voids or solid spots which may impair the serviceability of the part. 3.5 TEST SPECIMEN 3.5.1 Density, Core, min 25 kg/m3 (ISO 845/ASTM D 3574, Test A) 3.5.2 Tensile Strength, min 80 kPa (ISO 1798/ASTM D 3574, Test E, 50 mm bench marks, 5 specimens minimum) 3.5.2.1 Elongation at Break,

    5、min 160% (Test according to para 3.5.2) 3.5.3 Tear Strength, min 280 N/m (ISO DIS 8067/ASTM D 3574, Test F, 50 mm/minute test speed) 3.5.4 Compression Set, max 8% (ISO 1856, Method A/ASTM D 3574, Test D, Ct calculation, 22 h at 70 C, 50% deflection, 3 specimens minimum) 3.5.5 Heat Aging (ISO 2440/AS

    6、TM D 3574, Test K, 22 h at 140 +/- 2 C) ENGINEERING MATERIAL SPECIFICATION WSK-M2D406-A Copyright 2013, Ford Global Technologies, LLC Page 2 of 3 3.5.5.1 Compression Deflection Stress Change, max 25% (ISO 3386/1, 40% compression, 100 x 100 x 50 mm specimen, 100 +/- 20 mm/minute test speed, 3 specime

    7、ns minimum) 3.5.6 Humidity Aging (AUTOCLAVE) (ISO 2440/ASTM 3574, Test J, 100 x 100 x 50 mm specimen, 5 h at 120 C) 3.5.6.1 Compression Deflection Change Stress Change, max 30% (Test acc. to para 3.5.5.1) 3.5.6.2 Compression Set, max 30% (Test acc. to para 3.5.4 absolute figures) 3.5.7 Staining None

    8、 Test Method: Cover an approx. 100 mm x 100 mm x 10 mm foam specimen (with surface skin on one side) with a section of light colored standard vinyl (FLTM BN 103-01). Expose assemblies (surface skin of foam facing light source) for 150 h in the Fluorescent Sunlamp Cabinet (equipment as specified in F

    9、LTM BO 115-01). Control specimens of vinyl should also be exposed. Evaluate the standard material after cooling to room temperature. 3.5.8 Fogging, min (FLTM BO 116-03) Fog Number, min 60 3.5.9 Odor, max Rating 2 (FLTM BO 131-01/SAE J1351) 3.5.10 Ash Content, max 1% (ISO 247, Method B/ASTM D 1278, 8

    10、00 +/- 25 C) 3.5.11 Flammability (ISO 3795) Burn Rate, max 100 mm/minute ENGINEERING MATERIAL SPECIFICATION WSK-M2D406-A Copyright 2013, Ford Global Technologies, LLC Page 3 of 3 3.5.12 Noise Absorption Properties (ASTM C 384) Frequency (Hz) Minimum Coefficient of Absorption (%) at Specimen Thickness of 10 mm 20 mm 30 mm 200 3 6 8 250 7 6.5 9 315 6 7 10 400 6.5 8 11 500 6.5 9 13 630 7 10 15 800 8 14 21 1000 9 16 29 1250 14 24 40 1600 16 29 50 2000 19 40 62 2500 27 48 70 3150 31 58 70 4000 36 65 67 5000 42 61 65 6300 54 58 75


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