FORD WSA-M4D785-A1-2008 ABS + POLYCARBONATE BLEND (ABS+PC) IMPACT MODIFIED MOLDING COMPOUND TO BE USED WITH FORD WSS-M99P1111-A 《丙烯腈-丁二烯-苯乙烯共聚物(ABS)+聚碳酸酯混合物(ABS+PC)冲击改性成型料 与标准FO.pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2008 02 27 N-STATUS Replaced by WSS-M4D585-B or WSB-M4D813-A G. Kowalski 2004 07 30 Revised Para 3.0 inserted; paras 3.5.7.1, 3.5.7.2 revised; paras 3.1, 3.2, 3.3, 3.7, 3.8, 3.9 and 4 deleted 1991 01 14 Released NC00-E-10079772-003 Printed co

2、pies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 5 ABS + POLYCARBONATE BLEND (ABS+PC), WSA-M4D785-A1 IMPACT MODIFIED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an impact modified molding compound based on acrylon

3、itrile-butadiene-styrene and polycarbonate (ABS+PC) blends. 2. APPLICATION This specification was released originally for material used for wheel covers and ornaments. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Company

4、s Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 9 - 15 g/10 minutes (ISO 1133/ASTM D 1238, 260 C, 5 kg) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection mol

5、ded one-end gated test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared accor

6、ding to ISO 294. No annealing allowed. 3.5.2 Density 1.10 - 1.16 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATION WSA-M4D785-A1 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 5 3.5.3 Tensile Strength at Max Load, min 42 MPa

7、(ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute) 3.5.3.1 Elongation at Break, min 80% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 1.8 GPa (ISO 178/ASTM D 790M - Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Mo

8、dulus at 23 C 540 - 810 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35 - 40 mm soak time at each temperature interval - 3 minutes minim

9、um) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +180 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 6. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm

10、 specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 36 kJ/m2 3.5.6.3 At -30 +/- 2 C 30 kJ/m2 3.5.6.2 At -40 +/- 2 C 20 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the co

11、ld box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.7.1 At 1.82 Mpa 94 C 3.5.7.2 At 0.45 Mpa 105 C ENGINEERING MATERIAL SPECIFICATION WSA-M4D785-A1 Printed copies are uncontrolled C

12、opyright 2008, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Vicat Softening Temperature, min 108 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 49.0 N load) All specimens dry as molded. If not t

13、ested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h

14、at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6

15、FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.5 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (OPTIONAL) (opt) (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 90 Format

16、ion of clear film, droplets or crystals 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 COEFFICIENT OF LINEAR THERMAL EXPANSION 6.2-5/C (ASTM D 696) ENGINEERING MATERIAL SPE

17、CIFICATION WSA-M4D785-A1 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 5 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 0.5 - 0.7% 5.2.2 Post Shrinkage (Separate sp

18、ecimens required for each test) After 48 h at 80 C 0.01 - 0.10% After 30 minutes at 120 C 0.1 - 0.2% 5.3 INSTRUMENTED IMPACT STRENGTH, min (ASTM D 3763, 50 mm diameter, 3.2 +/- 0.2 mm thick specimen, 12.7 mm dart, 38 mm support opening) 5.3.1 At 23 +/- 2 C 35.0 J 5.3.2 At -30 +/- 1 C 30.0 J 5.4 MELT FLOW RATE 5.0 - 11.0 g/10 minutes (ISO 1133/ASTM D 1238, 250 C, 5 kg) ENGINEERING MATERIAL SPECIFICATION WSA-M4D785-A1 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 5 of 5