1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 07 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 & 4 2000 07 26 Editorial No Technical Change APC 1998 02 09 Activated L. Rodigas Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 5 ABS +
2、 POLYAMIDE BLEND (ABS+PA) MOLDING WSS-M4D960-A COMPOUND INTERIOR 1. SCOPE The material defined by this specification is a molded in color molding compound based on acrylo-nitrile-butadiene-styrene + polyamide blend (ABS+PA) that has been UV stabilized for unpainted interior applications. 2. APPLICAT
3、ION This specification was released originally for material used for parts on instrument panel system. 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-A)
4、. 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 4 - 9 g/ (ISO 1133, 240 C, 5 kg) 10 minutes 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specif
5、ied 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 (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/- 0.1 mm (ISO 3795) Test specimen A shall be cut from the
6、center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing. Test specimen A shall be molded using molding conditions defined in ISO 3167. Specimens with shorter dimensions shall be cut from the center of specimen A. No annealing allowed. 3.5.2
7、Density 1.01 - 1.09 g/cm3(ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D960-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 (s) 3.5.3 Tensile Strength at Max Load, min 35 MPa (ISO R 527-1 and ISO 527-2, 150 min x 0.2 mm specimen, 50 mm/minute
8、) (10 x 4.0 +/- 0.2 mm specimen, test speed: 50 mm/minute) (s) 3.5.3.1 Elongation at Break, min 50% (Test Method according to para 3.5.3) (s) 3.5.4 Flexural Modulus, min 1.6 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), 2 mm/ minute test speed, 64 mm support spa
9、n) 3.5.5 Shear Modulus at 23 C 0.57 - 0.85 GPa (ASTM D 5279, forced constant 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
10、interval - 3 minutes min) Additionally, a Shear Modulus versus temperature curve shall be plotted for -50 to +100 C temperature range, at 5 C min intervals. The plotted curve must be within tolerance range granted on the original material approval and it shall constitute the reference standard for m
11、aterials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), 10 specimens for each test) 3.5.6.1 At 23 +/- 2
12、 C 58 kJ/m23.5.6.2 At -40 +/- 2 C 10 kJ/m23.5.6.3 At 0 +/- 2 C 20 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 chamber, if not possible, test may be conducted outside, but wit
13、hin 5 s. (s) 3.5.7 Heat Deflection Temperature, min 63 C (ISO 75-1 and ISO 75-2, 120 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), edgewise, 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 i
14、n a sealed, moisture-proof container filled with silica gel. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D960-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 (s) 3.5.8 Vicat Softening Temperature, min 103 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens (use cent
15、er section of specimen A. 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 tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel.
16、3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 90 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile
17、Strength at Max Load +/- 25% Change (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change, -25% 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) Fog Number, min 90 F
18、ormation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm (use specimen C) with a smooth surface. 3.8 WEATHERING RESISTANCE After exposure in ac
19、cordance 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 SPECIFICATIONWSS-M4D960-APrinted c
20、opies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 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 Florida exposure. All initi
21、al 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, 300 kJ/m2exposure min, specimen size: 60 x 60 mm min, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specime
22、n) 3.8.2 12 months Florida Rating 4 (FLTM BI 160-01, 5 south, under PPG Herculite K, tempered safety glass, 3 mm thick. Specimen size: 60 x 60 min, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen) 3.9 ODOR, max Rating 2 (SAE J1351/FLTM BO 131-01) 5. GENERAL INFORMATION The
23、information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 9-5/ C (ASTM E 831 TMA, temperature range -20 to +40 C) 5.2 MOLD SHRINKAGE (ISO/DIS 294-3, 60 x 60 x 2.0 +/- 0.1 mm injection molded spe
24、cimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Injection Direction (ID) 0.6% Across Injection Direction (AID) 0.6% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C ID and AID 0.2% . After 30 minutes at 120 C ID and AID 0.7% ENGINEERING MATERIAL SPECIFI
25、CATIONWSS-M4D960-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5 5.3 HEAT DEFLECTION TEMPERATURE, min 60 C (ISO 75-1 and ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), flatwise, 0.34 +/- 0.01 mm deflection. At 1.8 MPa) All s
26、pecimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 5.4 IMPACT STRENGTH, CHARPY (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen (use center section of specimen A), 10 specimens for each test) 5.4.1 At
27、 23 +/- 2 C 40 kJ/m25.4.2 At -40 +/- 2 C 15 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 chamber, if not possible, test may be conducted outside, but within 5 s. 5.5 MODULUS OF ELASTICITY 1.7 GPa (ISO 527-1 and 527-2, 150 min x 10 x 4 +/- 0.2 mm specimen, test speed: 1 mm/minute) 5.6 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES ABS+PA
