1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 11 A1/A3 N-STATUS A1-Replaced by WSS-M4D827-A3; A3-No Replacement A. Pan, AP 2006 05 24 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.11, 3.12 & 4 1993 04 01 Released EP00E10258813000 P. Kuntze Printed copies are uncontrolled Copyrigh
2、t 2009, 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 ABS, HIGH HEAT RESISTANT, HIGH IMPACT MOLDING WSK-M4D876-A3 COMPOUND, EX
3、TERIOR 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 for body parts. WSK-M4D876-A2
4、 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 producers must conform to the Compan
5、ys 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) 10 minutes The material shal
6、l 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. The following dimensions are
7、 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 SPECIFICATIONWSK-M4D876-A1/A2/A3Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 6 Specimens with shorter dimensions shall be cut from the cent
8、er 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, 50 mm/minute test speed) (s)
9、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 constant amplitude, fixed frequen
10、cy 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 Temperature curve shall be plotted for
11、 -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 +/- 2 C 21 kJ/m23.5.6.2 At -40 +/-
12、2 C 7 kJ/m23.5.6.3 At -10 +/- 2 C 11 kJ/m2The 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 75, 120 x 10 x 4.0 +/- 0.2 mm speci
13、men, 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 SPECIFICATIONWSK-M4D876-A1/A2/A3Printed copies are uncontrolled Copyright 2
14、009, 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) All specimens dry as molded. If not tes
15、ted 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 time of the aged properties determinat
16、ion) 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 cooling plate, post test conditioning 1 h)
17、 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 RESISTANCE (WSK-M4D876-A2 only) Afte
18、r 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. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D
19、876-A1/A2/A3Printed copies are uncontrolled Copyright 2009, 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 volume), or equivalent, after the Florid
20、a 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/m2exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0
21、.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 exposure in accordance with para 3.9.1, 3.
22、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 allowed provided an acceptable appearance c
23、an 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 Florida and Arizona exposure results for
24、 final approval. 3.9.1 Xenon Arc Weatherometer Rating 4 (SAE J1960, 660 kJ/m2exposure 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 south, direct weathering inland, specimen siz
25、e: 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 smooth polished mold) ENGINEERING MATERIAL S
26、PECIFICATIONWSK-M4D876-A1/A2/A3Printed copies are uncontrolled Copyright 2009, 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/m2exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, grained on o
27、ne 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 minutes and 24 h waiting time after removal from
28、 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 COEFFICIENT OF LINEAR THERMAL EXPANSION 7 - 10-5/
29、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 required for each test) . After 48 h at 80 C
30、 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 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 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D876-A1/A2/A3Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 6 of 6
