1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 02 28 N-STATUS WSK-M4D697-A1 replaced by WSS-M4D585-B; WSK-M4D697-A2 replaced by WSS-M4D924-A; revised 3.7 G. Kowalski 2005 11 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1989 11 17 Released SM/EQ9859 TP P. Kuntze Printe
2、d copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 5 ABS/POLYCARBONATE BLEND (ABS+PC), HIGH IMPACT WSK-M4D697-A1 STRENGTH, HIGH HEAT MOLDING COMPOUND ABS/POLYCARBONATE BLEND (ABS+PC), HIGH IMPACT WSK-M4D697-A2 STRENGTH, HIGH HEAT MOLDING COMPOUND, INTERIOR NOT TO BE US
3、ED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are high impact strength, high heat easy flow molding compounds based on acrylonitrile-butadiene-styrene/polycarbonate (ABS+PC) blend. 2. APPLICATION These specifications were released originally for materials used for non visi
4、ble and painted parts (WSK-M4D697-A1), and visible interior parts (WSK-M4D797-A2). 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). 3.4 MOLDING COMPOUND
5、 3.4.1 Melt Flow Rate 17 - 27 g/10 minutes (ISO 1133/ASTM D 1238, 260 C, 5 kg) The material shall be dried for 2 h minimum at 105 - 110 C in a mechanical convection oven immediately preceding the test. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests
6、shall be carried out on injection molded 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.
7、The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D697-A1/A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.12 - 1.16 g/cm3(ISO R 1183, Method A/ASTM D 792, Method A1) 3.5.3 T
8、ensile Strength at Max Load, min 50 MPa (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 50% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 1.9 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm speci
9、men, 64 mm support span) 3.5.5 Shear Modulus at 23 C 650 - 1000 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 eac
10、h temperature interval: 3 minutes minimum.) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +145 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D
11、 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 40 kJ/m23.5.6.2 At -20 +/- 2 C 30 kJ/m23.5.6.3 At -40 +/- 2 C 20 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperat
12、ure testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min 105 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D697-A1/A2 Printed copies are uncon
13、trolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Vicat Softening Temperature, min 128 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 weight. At 49.0 N) All specimens dry as molded. If not te
14、sted 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 100 +/- 2 C. Unaged property values shall be determined at the time of the aged properties dete
15、rmination) 3.5.9.1 Tensile Strength Change, max +20% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change, max -45% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material
16、approval is 355 x 100 x 1.6 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 95 Formation of clear film, droplets or crystals is cause for rejection. 3.8 WEATHERING RESISTANCE (WSK-M4D697-A2 Only)
17、 After exposure in accordance with 3.8.1 and 3.8.2 the material shall show no fading or color change in excess of specified AATCC rating (AATCC Gray Scale for Evaluating Change in Color, 10 step). In addition there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalk
18、ing will be allowed provided an acceptable appearance can be achieved by washing with mild detergents and water (ratio 5:95 by volume). ENGINEERING MATERIAL SPECIFICATIONWSK-M4D697-A1/A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 5 3.8.1 Xenon Arc Weather
19、ometer Rating 4 (SAE J1885, 300 kJ/m2exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.8.2 12 months Florida Rating 4 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polis
20、hed mold) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 7.0 8-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection
21、 molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.6 - 0.9% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1% . After 30 minutes at 120 C 0.15 - 0.20% 5.3 MELT VOLUME RATE 17 - 27 cm3/ (ISO 1133/ASTM D 1238, 260 C, 5 kg) 10 minutes The mat
22、erial shall be dried for min of 2 h at 105 - 110 C in a mechanical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 122 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 0.45 MPa) All specimens dry as molded. If not tested immediately after molding specimens must be stored in a sealed moisture-proof container filled with silica gel. 5.5 RECYCLING CODE ABS+PC ENGINEERING MATERIAL SPECIFICATIONWSK-M4D697-A1/A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 5 of 5