FORD-WSS-M4D961-A1-2006.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2007 07 31 N-STATUS Replaced by WSS-M4D961-A4; 3.9.1 renumber correctly to 3.8.4 K. Mueller 2006 07 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 1998 09 02 Activated T. Honey Printed copies are uncontrolled Copyright 2007, Ford
2、 Global Technologies, LLC Page 1 of 6 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO), WSS-M4D961-A1 COLOR PIGMENTED, UV STABILIZED, HIGH MELT FLOW, FOR MOLDED-IN-COLOR AND PARTIALLY PAINTED APPLICATIONS, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a filled
3、, weatherable and paintable thermoplastic injection molding compound. 2. APPLICATION This specification was released originally for material used for exterior bumper applications. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to
4、 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 12 - 19 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s)
5、 3.4.2 Filler Content 10 - 13% (ISO 3451-1, Method A, talc filler, 3 h at 565 C +/- 25 C, test portion 4 - 5 g) 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 dimen
6、sions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 150 x 100 x 4.0 +/- 0.2 mm (ISO/DIS 294-3) -,-,- ENGINEERING MATERIAL SPECIFICATION WSS-M4D961-A1 Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 6 Test specimen A shall be molded
7、using molding conditions defined in ISO 294. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.5.2 Density 0.95 - 0.98 g/cm3 (ISO 1183, Method A) 3.5.3 Hardness, Durometer D 54 - 63 (ISO 868, 15 s dwell) (s) 3.5.4 Tensile Strength at Yield, min
8、 17 MPa (ISO 527-1 and ISO 527-2, 150 min x 10 x 4.0 +/- 0.2 mm specimen, test speed: 50 mm/minute) (s) 3.5.4.1 Elongation at Yield, min 3% (Test Method according to para 3.5.4) (s) 3.5.5 Flexural Modulus, min 1.06 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm suppor
9、t span) 3.5.6 Shear Modulus at 23 C 440 - 720 MPa (ASTM D 4065, 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 temperatu
10、re interval - 3 minutes min) Additionally, a shear modulus vs. temperature curve shall be plotted for -50 C to +150 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
11、 materials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. (s) 3.5.7 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) 3.5.7.1 At 23 C +/-
12、 2 C No break 3.5.7.2 At -40 C +/- 1 C 2.8 kJ/m2 3.5.7.3 At 0 C +/- 2 C No break The test specimen 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
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