1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2008 02 25 N-STATUS Replaced by WSS-M4D585-B G. Kowalski 2005 07 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1989 03 17 Released CVS1-DR011109-L Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Pa
2、ge 1 of 3 ABS/POLYCARBONATE BLEND (ABS + PC), ESB-M4D585-A IMPACT MODIFIED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an impact modified acrylonitrile-butadiene-styrene/polycarbonate blend (ABS + PC) molding compound. 2. APPLICATION This specification was re
3、leased originally for material used for 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-M99P1111-A). 3.4 MOLDING COMPOUND
4、3.4.1 Melt Flow Rate 9.5 - 17.5 g/10 min (ISO 1133/ASTM D 1238, (260 C, 3.7 kg) 3.4.2 Melt Viscosity 88 - 270 Pa.s (ASTM D 3835, stock temperature - 275 C, ram pressure - 0.57 MPa, preheat 6 min, capillary dimension - 25:1 ratio) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless ot
5、herwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A) 150 x 12.7 x 3.2 +/- 0.2 mm (Tensile Bar) B) 130 x 12.7 x 3.2 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test spe
6、cimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION ESB-M4D585-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 3 3.5.2 Density 1.11 - 1.15 g/cm3 (ISO 1183, Method A/ASTM D 792, Meth
7、od A1) 3.5.3 Tensile Strength at Max Load, min 48 MPa (ISO R 527/ASTM D 638, 150 x 12.7 x 3.2 +/- 0.2 mm specimen, 50 mm/min test speed) 3.5.3.1 Elongation at Yield, min 3.9% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 2.3 GPa (ISO 178/ASTM D 790, Method I, Procedure A, 130 x 1
8、2.7 x 3.2 +/- 0.2 mm specimen, 100 mm support span, 5 mm/min test speed) 3.5.5 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 12.7 x 3.2 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.5.1 At 23 +/- 2 C 43.1 kJ/m2 3.5.5.2 At -29 +/- 2 C 19.6 kJ/m2 The test specimens
9、must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. 3.5.6 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 130 x 12.7 x 3.2 +/- 0.2 mm specimen) 3.5.6.1 At 1.82 Mpa 96 C 3.5.6.2 At 0.45 Mpa 120 C 3.5.7 Vicat Softening Temperature, min 137 C (ISO 306, 1
10、2.7 x 12.7 x 3.2 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gage reset to “0“ after addition of weight, at 9.8 N load) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 1000 h at 85 +/- 2) 3.5.8.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) ENGINEERING
11、 MATERIAL SPECIFICATION ESB-M4D585-A Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 3.5.8.2 Elongation at Yield Change +/- 15% (Test Method per para 3.5.3) 3.5.8.3 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.5.1, specimens to be notched b
12、efore heat aging) 3.5.9 Instrumented Impact Strength, min (ASTM D 3763, 3.2 mm thick, 50 mm dia., 381 000 mm/min, 12.7 mm dart, 38.1 mm support opening) 3.5.9.1 At 23 +/- 2 C 34 J 3.5.9.2 At -29 +/- 1 C 36 J 3.5.10 Fogging (FLTM BO 116-03) Fog Number, min 60 Any fog film present shall be examined fo
13、r the formation of droplets or coalescence into a clear film. Such conditions, if present, shall be cause for rejection. 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/min The specimen size required for material approval is 355 x 100 x 3.2 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION
14、The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 7.4-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ASTM D 955, after 48 h, injection 0.55 - 0.75% molded sample) 5.3 ELONGATION AT BREAK 45% (Test method according to para 3.5.3)
