1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 07 N-STATUS No replacement named J. Crist, NA 2005 06 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.9 & 4 1986 06 18 Released 3R1-6000-260 E. P. Francis Printed copies are uncontrolled Copyright 2010, Ford Global Technologies,
2、 LLC Page 1 of 3 POLYPHENYLENE ETHER (PPE), MODIFIED MOLDING ESB-M4D537-A COMPOUND, PAINTABLE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an alloy of polyphenylene ether (PPE), high impact polystyrene modified injection molding compound. 2. APPLICATION This s
3、pecification was released originally for material used to manufacture decorative instrument panel components. 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-M99P
4、1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Viscosity 110 - 215 Pa.s (ASTM D 3835, stock temperature - 282 C, shear rate, 1500 s-1, preheat 4 minutes, capillary dimension - 20:1 ratio) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens All test specimens shall be injection molded in accordanc
5、e with ASTM D 1897. The values of this specification are based on injection molded specimens unless otherwise specified. 3.5.2 Density 1.03 - 1.09 g/cm3(ASTM D 792) 3.5.3 Tensile Strength at Max Load, min 34.5 MPa (ASTM D 638, Type I specimen, 3.2 mm thickness, 50 mm/min test speed) Elongation at Br
6、eak, min 30% 3.5.4 Flexural Modulus, min 1.7 GPa (ASTM D 790, Method I, Procedure A, 3.2 x 12.7 x 127 mm specimen, 5 mm/min test speed) 3.5.5 Flexural Strength, min 41.4 MPa (Test Method according to para 3.5.4) ENGINEERING MATERIAL SPECIFICATIONESB-M4D537-APrinted copies are uncontrolled Copyright
7、2010, Ford Global Technologies, LLC Page 2 of 3 3.5.6 Impact Strength, Izod, min (ASTM D 256, 3.2 x 12.7 x 63.5 mm specimen, min of 10 specimens) . At 23 +/- 2 C 267 J/m . At -20 +/- 1 133 J/m 3.5.7 Heat Deflection Temperature, min 87 C (ASTM D 648, 3.2 x 12.7 x 127 mm specimens at 1.82 MPa) 3.5.8 I
8、nstrumented Impact Strength, min (ASTM D 3763, Dynatup) . At 23 +/- 2 C 22.6 J . At -20 +/- 1 11.3 3.5.9 Heat Aging Performance (ASTM D 3045, 1000 h at 85 +/- 2 C) Tensile Strength at Max Load Change, max -20% (Test Method according to para 3.5.3) Impact Strength Izod Change, max -35% (Test Method a
9、ccording to para 3.5.6) 3.6 FLAMMABILITY Burn Rate, max 100 mm/minute (FLTM BN 024-02, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above max value. 3.8 FOGGING (FLTM BO 116-03) Fog Number, min 95 Fo
10、rmation of excessive amounts of clear film or droplets is cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 MOLD SHRINKAGE 0.5 - 0.7% (ASTM D 955, after 48 h, injected molded sam
11、ple) 5.2 COEFFICIENT OF LINEAR THERMAL EXPANSION 8.3-5/ C (ASTM D 696, -30 C to +30 C) ENGINEERING MATERIAL SPECIFICATIONESB-M4D537-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 5.3 WATER ABSORPTION, max 0.10% (ASTM D 570, 24 h immersion) 5.4 HEAT DEFLECTION TEMPERATURE, min 102 C (ASTM D 648 at 0.45 MPa) 5.5 IMPACT STRENGTH, IZOD, min 1.6 kJ/m (ASTM D 256, 3.2 x 12.7 x 63.5 mm specimen, unnotched)
