1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver. 3 07/13/09 A2 N-STATUS No Replacement Named Y. Bankowski, NA 2008 07 29 A3 - N-STATUS ESB-M4D297-A3 Replaced by ESB-M4D483-A1 C, Boese, FNA 1982 02 12 Released AM1-6000-78 Printed copies are uncontrolled Copyright 2009, Ford Global Techno
2、logies, LLC Page 1 of 2 ABS, 10% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-M4D297-A1 ABS, 20% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-M4D297-A2 NOT TO BE USED FOR NEW DESIGN ABS, 30% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-M4D297-A3 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defin
3、ed by these specifications is an acrylonitrile butadiene styrene (ABS) molding compound, reinforced with various percentage levels of glass fibers. 2. APPLICATION These specifications were released originally for materials used for instrument panel upper supports, or other applications which require
4、 a high strength material. ESB-M4D297-A1 replaces and is same as ESB-M4D297-A, Type I ESB-M4D297-A2 replaces and is same as ESB-M4D297-A, Type II ESB-M4D297-A3 replaces and is same as ESB-M4D297-A, Type III 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and par
5、t producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 MOLDED TEST SPECIMENS, Injection Molded A1 A2 A3 3.2.2 Color Natural Natural Natural 3.2.3 Glass Fiber Content, by weight 2.0% 10 20 30 (1 h at 649 C) 3.2.4 Specific Gravity, min (ASTM D 792
6、) 1.08 1.18 1.24 3.2.5 Tensile Strength, psi (MPa), min 8,000 11,500 12,000 (ASTM D 638, 0.2 in (55) (79) (83) (5 mm)/min ENGINEERING MATERIAL SPECIFICATIONESB-M4D297-A1/A2/A3Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.2.6 Flexural Strength, psi (MPa),
7、 min 11,500 14,000 17,000 (ASTM D 790, 0.2 in (79) (97) (117) (5 mm)/min, 1/4 x 1/2 x 5 in (6.4 x 13 x 127 mm) specimen) 3.2.7 Flexural Modulus, psi (GPa), min 375,000 500,000 850,000 (ASTM D 790, 0.2 in (2.6) (3.4) (5.9) (5 mm)/min, 1/4 x 1/2 x 5 in (6.4 x 13 x 127 mm) specimen) 3.2.8 Impact Streng
8、th, Izod, ft.lb/in (J/m), min (ASTM D 256, 1/4 in (6.4 mm) specimen width) Notched 1.25 (67) 1.00 (53) 0.75 (40) Unnotched 5.50 (294) 5.50 (294) 4.00 (214) 3.2.9 Deflection Temperature, C min (ASTM D 648, 1/4 in (6.4 mm) specimen width) At 66 psi (455 kPa) 93 96 99 At 264 psi (1820 kPa) 85 91 91 3.2
9、10 Hardness, Rockwell “M“, min 30 45 50 (ASTM D 785) 3.3 MOLDED PART 3.3.1 Color Natural or as specified on engineering drawing. 3.3.2 Appearance Shall be uniform in density, texture and finish, free of visible porosity, warpage, heat scorch, checks, cracks and chipped edges. They shall also be free of other contamination. 3.3.4 Flammability, max 4 in (101 mm)/min (FLTM BN 024-02, without the lot sampling plan)
