1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 09 21 N-STATUS No Replacement Named, No known use C. Mracna, NA 2004 10 19 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7 & 4 1995 06 01 Activated EP00E10460385000 K. Gerhards Printed copies are uncontrolled Copyright 2009, Ford Gl
2、obal Technologies, LLC Page 1 of 2 POLYURETHANE (PUR) FOAM, MOLDED, CLOSED CELL WSS-M2D484-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an external use, closed cell molded polyurethane foam with a nominal density of 130 kg/m3. 2. APPLICATION This specificati
3、on was released originally for material used as rear spoiler insert. 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 ha
4、ve a homogeneous medium sized cell structure with no large voids or cracks 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. These spec
5、imens shall be free of voids, hard spots and densification lines. 3.5.1 Density 130 +/- 20 kg/m3(ISO 845/ASTM D 3574, Test A) 3.5.2 Tensile Stress at Rupture, min 1.3 MPa (ISO 1926, 5 specimens min) 3.5.2.1 Relative Elongation, min 12.5 - 16.5% (Test according to para 3.5.2) 3.5.3 Compressive Stress
6、 (ISO 844 at 10% relative deformation) 3.5.3.1 Parallel to Flow, min 850 kPa 3.5.3.2 Perpendicular to Flow, min 1.0 MPa 3.5.4 Bending Test (ISO 1209-2) 3.5.4.1 Flexural Strength, min 2.35 MPa ENGINEERING MATERIAL SPECIFICATIONWSS-M2D484-APrinted copies are uncontrolled Copyright 2009, Ford Global Te
7、chnologies, LLC Page 2 of 2 3.5.5 Heat Aging (ISO 2440/ASTM D 3574, Test K, 22 h at 140 +/- 2 C) 3.5.5.1 Tensile Stress Change, max 15% (Test according to para 3.5.2) 3.5.6 Humidity Aging, (Autoclave) (ISO 2440/ASTM D 3574, Test J, 5 h at 120 C) 3.5.6.1 Tensile Stress Change, max 20% (Test according to para 3.5.2) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification 5.1 RECYCLING CODE PUR
