1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 06 23 N Status Replaced by WSS-M4D792-B1 A. Pan, APA 2005 11 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1989 11 20 Released NB00I10043054010 L.A. Graham Printed copies are uncontrolled Copyright 2011, Ford Globa
2、l Technologies, LLC Page 1 of 5 ABS MOLDING COMPOUND, HIGH HEAT RESISTANT, WSB-M4D690-A UV STABILIZED, LOW GLOSS, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a molded-in-color, low gloss, high heat resistant molding compound based on acrylonitrile bu
3、tadiene styrene (ABS) that has been UV stabilized for unpainted interior applications. 2. APPLICATION This specification was released originally for material used for unpainted interior trim parts that require high heat capability. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS M
4、aterial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 1 - 3 g/10 minutes (ISO 1133/ASTM D 1238, 230 C, 3.8 kg) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless ot
5、herwise specified all tests shall be carried out on color pigmented 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 cent
6、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 1.04 - 1.10 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Yield, min 34.5 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen,
7、 50 mm/min test speed. ENGINEERING MATERIAL SPECIFICATION WSB-M4D690-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 5 3.5.3.1 Elongation at Yield, min 2.0% (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 2.1 GPa (ISO 178/ASTM D 790M, Metho
8、d 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 690 - 1035 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain
9、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 +150 C temperature range,
10、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 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 11.5 kJ/m2 3.5.6.2 At -40 +/- 2 C 4.0 kJ/m2 3.5.6
11、.3 At -18 +/- 2 C 5.8 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 cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature,
12、 min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm) 3.5.7.1 At 1.80 MPa 80 C 3.5.7.2 At 0.45 MPa 93 C All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with
13、silica gel. ENGINEERING MATERIAL SPECIFICATION WSB-M4D690-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Vicat Softening Temperature, min 106 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 C/h. Dial gage re
14、set to 0 after addition 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. 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 1
15、00 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat ageing) 3.6 FL
16、AMMABILITY (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 (FLTM BO 116-03) Fog Number, min 90 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.8 WEATHERING RES
17、ISTANCE After exposure in accordance with 3.8.1, 3.8.2, and 3.8.3 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 o
18、f gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing with mild detergents and water (ration 5:95 by volume) after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for fina
19、l approval. ENGINEERING MATERIAL SPECIFICATION WSB-M4D690-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 5 3.8.1 Xenon Arc Weatherometer Rating 4 (SAE J1885, 301 kJ/m2 exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in sm
20、ooth 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 polished mold) 3.8.3 Florida (NAAO ONLY) Rating 4 (CTH Glastrac, 1000 kJ/m2, specimen size 100 x 150 mm) 5. GENERAL INFORMATION The
21、 information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 8.3-5/ 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 Shrinka
22、ge . After 48 h at 23 +/- 2 C 0.4 - 0.6% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.9% 5.3 VICAT SOFTENING TEMPERATURE 117 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 o
23、f weight. At 9.8 N load) 5.4 This material is recommended when required heat capability is higher than provided by ESB-M4D483-A2 materials. 5.5 RECYCLING CODE SAE or ABS OPTIONAL ABS ENGINEERING MATERIAL SPECIFICATION WSB-M4D690-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 5 of 5
