1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2011 03 01 No replacement named A. Pan, APA N Status 2006 05 19 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7 40 kg/m3NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a closed cell, physically crossl
2、inked polypropylene foam with a nominal density of 40 kg/m3. 2. APPLICATION This specification was released originally for material used as deflector radiator side. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys S
3、tandard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE The foam shall have 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 are based on foam mater
4、ial with surface skins on both sides. 3.5.1 Density 34 - 46 kg/m3(ISO 845) 3.5.2 Tensile Strength, min 390 kPa (ISO 1798, 50 mm bench marks, 5 specimen minimum) 3.5.2.1 Elongation at Break, min 45% (Test according to para 3.5.2) 3.5.3 Compression Set, max 45% (ISO 1856, Method A/ASTM D 3574, Test D,
5、 ct calculation, 22 h at 23 C, 50% deflection 3 specimens, minimum) 3.5.4 Compression Deflection Stress 100 +/- 16 kPa (ISO 3386/1 at 40% compression, specimen size 100 x 100 x 50 mm, test speed 100 +/- 20 mm/min) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D851-A2Copyright 2011, Ford Global Technologie
6、s, LLC Page 2 of 2 Printed copies are uncontrolled plate, post test conditioning 1 h) 3.5.5 Water Absorption, max 5% (ASTM D 1056, subject specimen to a vacuum of 84 kPa) 3.5.6 Dimensional Stability, max WMD 1% ATest Method: A specimen approximately 300 x 300 mm in size shall be placed in a mechanic
7、al convection oven maintained at 100 +/- 2 C for 3 h. Dimensional changes shall be measured after cooling down to room temperature. 3.5.7 Cold Flexibility at -40 C No cracks (FLTM BN 102-01, diameter of mandrel shall be 5 times of specimen thickness) 3.5.8 FOGGING (SAE J1756, 3 h at 100 C heating, 2
8、1 C cooling Fog Number, min 70% Formation of clear film, droplets or crystals is cause for rejection. 3.5.9 ODOR, max Rating 2 (FLTM BO 131-01) 3.5.10 Flammability (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 5.0 +/- 0.7 mm with smooth surfaces. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP
