1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 11 N-STATUS Replaced by WSK-M4D827-A A. Pan, AP 2006 12 08 Revised Paragraphs 3.7 Inserted 3.0 Deleted 3.1, 3.2, 3.3, 3.9, 3.10, 3.11 corrected numbering for para 5.3 to 5.5 L. Schmalz 1992 08 03 Released EP00E10176303000 P. Kuntze Pri
2、nted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 4 ABS MOLDING COMPOUND, HIGH HEAT RESISTANT WSK-M4D827-A2 HIGH IMPACT, LOW GLOSS, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a low gloss molded in color high impact
3、 strength, high heat resistant molding compound based on acrylonitrile butadiene styrene (ABS) that has been treated with antistatic and release agents, good flow characteristics, and UV stabilized for unpainted interior applications. 2. APPLICATION This specification was released originally for mat
4、erial used for visible unpainted interior upper body parts. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requir
5、ements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate, min 5 g/10 minutes (ISO 1133/ASTM D 1238, 220 C, 10 kg) The material shall be dried for min of 2 h at 80 - 85 C in a mechanical convection oven immediately preceding the test. 3.5 MOLDED TEST SPECIMEN 3.5.1
6、Preparation of Test Specimens Unless otherwise specified all tests 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 sha
7、ll be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.03 - 1.09 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D827-A2 Printed copies are uncontrolled Cop
8、yright 2009, Ford Global Technologies, LLC Page 2 of 4 3.5.3 Tensile Strength at Max Load, min 40 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 30% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 2.0 GPa (ISO 178/ASTM
9、 D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.5 Shear Modulus at 23 C 800 - 1200 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/
10、- 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 minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +120 C tempe
11、rature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80.0 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 17 kJ/m23.5.6.2 At 0 +/- 2 C 9 kJ
12、/m23.5.6.3 At -40 +/- 2 C 6 kJ/m2The 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 cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Tempera
13、ture, min 85 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm. At 1.80 MPa) 3.5.8 Vicat Softening Temperature, min 105 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gauge reset to 0 after additi
14、on of 5 kg weight. At 49.0 N load) 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. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D827-A2 Printed copies are uncontrolled Copyright 2009, Ford Global
15、Technologies, LLC Page 3 of 4 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Max Load Change +/- 15% (Test Method per para 3.5.3
16、) 3.5.9.2 Impact Strength, Izod Change, max -35% (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 approval is 355 x 100 x 1.9 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (SAE
17、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 excessive amounts of clear film or droplets is cause for rejection 3.8 WEATHERING RESISTANCE After exposure in accordance with 3.8.1, 3.8.2 and 3.8.3, the material shall show no colo
18、r 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 chalking will be allowed provided an acceptable appearance can be achieved by washing with mild
19、detergents and water (ratio 5:95 by volume), or equivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval-Not required for North America. 3.8.1 Xenon Arc Weatherometer Rating 4 Required W
20、orldwide except North America (SAE J1885, except Black Panel Temperature at 80 C, 300.8 kJ/m2exposure min, specimen size: 150 x 100 mm min, 3.2 +/-0.2 mm thick, molded in smooth polished mold) 3.8.2 12 months Florida Rating 4 Not required for North America (FLTM BI 160-01, 5 south, under glass, spec
21、imen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D827-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 4 3.8.3 Filtered Xenon Arc Weatherometer Rating 4 Required for North America (SA
22、E J1885 modified (FLTM BO 116-01), 601.6 kJ/m2 exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 C
23、OEFFICIENT OF LINEAR THERMAL EXPANSION 7 - 10-5/C (ASTM D 696) 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 0.4 - 0.8% 5.2.2 Post Shrinkage . After 48 h at 80 C 0.1 - 0.2% 5.3 MELT VOLUME RATE, min 5 cm
24、3/10 minutes (ISO 1133/ASTM D 1238, 220 C, 10 kg) The material shall be dried for min of 2 h at 80 - 85 C in a mechanical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 95 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm. 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 SAE ABS
