1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 06 23 A2 N Status Replaced by WSS-M4D827-B1 A. Pan, APA 2009 08 11 A1/A3 N-STATUS A1-Replaced by WSS-M4D827-A3; A3-No Replacement A. Pan, AP 1993 04 01 Released EP00E10258813000 P. Kuntze Printed copies are uncontrolled Copyright
2、2011, Ford Global Technologies, LLC Page 1 of 6 ABS, HIGH HEAT RESISTANT, HIGH IMPACT MOLDING WSK-M4D876-A1 COMPOUND NOT TO BE USED FOR NEW DESIGN ABS, HIGH HEAT RESISTANT, HIGH IMPACT MOLDING WSK-M4D876-A2 COMPOUND, INTERIOR NOT TO BE USED FOR NEW DESIGN ABS, HIGH HEAT RESISTANT, HIGH IMPACT MOLDIN
3、G WSK-M4D876-A3 COMPOUND, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are a high heat resistant, high impact strength molding compound based on acrylonitrile-butadiene- styrene. 2. APPLICATION WSK-M4D876-A1 was released originally for material used f
4、or body parts. WSK-M4D876-A2 was released originally for material used for pigmented interior body parts. WSK-M4D876-A3 was released originally for material used for pigmented exterior body parts. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producer
5、s must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 5 - 15 g/ (ISO 1133, 220 C, 10 kg)
6、10 minutes 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 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens.
7、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 ENGINEERING MATERIAL SPECIFICATION WSK-M4D876-A1/A2/A3 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 6 Specimens with shorter dimensi
8、ons shall 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 1.06 - 1.16 g/cm3 (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 44 MPa (ISO R 527, 150 x 10 x 4.0 +/- 0.2 mm specimen
9、, 50 mm/minute test speed) (s) 3.5.3.1 Elongation at Break, min 15% (Test Method according to para 3.5.3) (s) 3.5.4 Flexural Modulus, min 2.1 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 800 - 1200 MPa (ASTM D 4065, forced c
10、onstant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approximately 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 min) Additionally, a Shear Modulus versus Temper
11、ature curve shall be plotted for -50 to +120 C temperature range, at 5 C min intervals. The plotted curve must be within tolerance range shown on page 6 (A1, A2 and A3). (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/-
12、 2 C 21 kJ/m2 3.5.6.2 At -40 +/- 2 C 7 kJ/m2 3.5.6.3 At -10 +/- 2 C 11 kJ/m2 The test specimens must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min 85 C (ISO
13、75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 1.80 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. ENGINEERING MATERIAL SPECIFICATION WSK-M4D876-A1/A2/A3 Printe
14、d copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 6 (s) 3.5.8 Vicat Softening Temperature, min 100 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 50 N load) Al
15、l specimens dry as molded. If not tested 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, except 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. Unaged property values shall be determined at the t
16、ime of the aged properties determination) 3.5.9.1 Tensile Strength at Max +/- 15% Load Change (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change, -35% max (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooli
17、ng plate, post test conditioning 1 h) Fog Number, min 95 Formation of clear film, droplets or crystals is cause for rejection. 3.7 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. 3.8 WEATHERING
18、 RESISTANCE (WSK-M4D876-A2 only) After exposure in accordance with para 3.8.1 and 3.8.2 the material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be no cracking, crazing or other deterioration. ENGI
19、NEERING MATERIAL SPECIFICATION WSK-M4D876-A1/A2/A3 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 6 A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing with mild detergents and water (ratio 5:95 by v
20、olume), or equivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.8.1 Xenon Arc Weatherometer Rating 4 (SAE J1885, except Black Panel Temperature at 80 C, 300 kJ/m2 exposure min, sp
21、ecimen 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 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9 WEATHERING RESISTANCE (WSK-M4D876-A3 only) After ex
22、posure in accordance with para 3.9.1, 3.9.2 and 3.9.3, the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISOI 105-A02). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be all
23、owed provided an acceptable appearance can be achieved by washing and/or polishing with Ford car polish (auto wax) after the outdoor exposure, at permission of the affected Product Development Materials Activity. All initial approvals will be based on the preliminary Weatherometer exposure, pending
24、Florida and Arizona exposure results for final approval. 3.9.1 Xenon Arc Weatherometer Rating 4 (SAE J1960, 660 kJ/m2 exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9.2 12 months Florida Rating 4 12 months Arizona (NAAO only) (SAE J1976, 5 sout
25、h, direct weathering inland, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9.3 24 months Florida Rating 3 - 4 24 months Arizona (NAAO only) (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smo
26、oth polished mold) ENGINEERING MATERIAL SPECIFICATION WSK-M4D876-A1/A2/A3 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 5 of 6 3.10 RESISTANCE TO WHITENING Rating 4 (WSK-M4D876-A3 only, EAO applications) (SAE J1960, 660 kJ/m2 exposure min, specimen size: 150 x 10
27、0 mm min, 3.2 +/- 0.2 mm thick, grained on one side, reverse ungrained, follow with immersion for 5 minutes at 85 +/- 2 C in water and soap* (ratio 95:5 by volume) The material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 150-A02) after 5 minu
28、tes and 24 h waiting time after removal from the water and soap solution. *Soap according to Ford stock code number 800.51211 or equivalent. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 COEFFI
29、CIENT OF LINEAR THERMAL EXPANSION 7 - 10-5/ C (ASTM E 228 or TMA, temperature range -30 to + 30 C) 5.2 MOLD SHRINKAGE (ISO 2577, approximately 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 - 0.8% 5.2.2 Post Shrinkage (Separate specimens
30、required for each test) . After 48 h at 80 C 0.05 - 0.15% 5.3 MELT VOLUME RATE 3.5 - 10 cm3/ (ISO 1133, 220 C, 10 kg, extrudate volume in 10 minutes cm3/10 minutes) 5.4 HEAT DEFLECTION TEMPERATURE, min 104 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 0.45 MPa) All s
31、pecimens 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 ENGINEERING MATERIAL SPECIFICATION WSK-M4D876-A1/A2/A3 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 6 of 6
