1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 01 25 Revised Inserted 3.0; Deleted 3.1, 3.2.1, 3.3.3, 3.4 & 4 1982 02 12 Released AM1-6000-78 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 2 ABS, 10% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-
2、M4D297-A1 ABS, 20% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-M4D297-A2 ABS, 30% GLASS FIBER REINFORCED MOLDING COMPOUND ESB-M4D297-A3 1. SCOPE The material defined by these specifications is an acrylonitrile butadiene styrene (ABS) molding compound, reinforced with various percentage levels of gla
3、ss fibers. 2. APPLICATION These specifications were released originally for materials used for instrument panel upper supports, or other applications which require 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,
4、 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 part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 MOLDED TEST SPECIMENS, Inje
5、ction 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) 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 3.2.6 Flexural
6、Strength, psi (MPa), 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) ENGINEERING MATERIAL SPECIFICATIONESB-M4D297-A1/A2/A3Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 2 3.2.7 Flexural M
7、odulus, 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 Strength, 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) 5.5
8、0 (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 3.2.10 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)
