FORD-WSB-M4D875-A-2006.pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 12 N-STATUS Replaced by WSS-M4D638-B; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1993 04 05 Released NB00I10043054235 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 POLYPROPYLENE COPOL
2、YMER (PP), IMPACT MODIFIED WSB-M4D875-A MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a molding compound based on black polypropylene copolymer. 2. APPLICATION This specification was released originally for material used for fender liners and o
3、ther similar applications that require a high degree of flexibility and moderate impact resistance. 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). 3
4、.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 8.0 - 12.0 g/10 minutes (ISO 1133, 230 C, 2.16 kg) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise sp
5、ecified 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 (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test spe
6、cimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 0.90 - 0.92 g/cm (ISO 1183, Method A) -,-,- ENGINEERING MATERIAL SPECIFICATION WSB-M4D875-A Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Yield, min 2
7、0.0 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.3.1 Elongation at Yield, min 8.0% (Test Method according to para 3.5.3) (s) 3.5.4 Flexural Modulus 750 - 930 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 S
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