1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2011 11 18 N Status Replaced by WRS-M4D911-B2 K. Mueller, NA 2006 07 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 09 16 Released NB00I10043054362 GAM J. LaDuke Printed copies are uncontrolled Copyright 2011, Ford G
2、lobal Technologies, LLC Page 1 of 4 POLYPROPYLENE (PP) COPOLYMER, 100% RECYCLED WSB-M4D911-A MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic molding compound based on 100% recycled polypropylene copolymer from post consumer source
3、s. 2. APPLICATION This specification was released originally for material used in splash shields. 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). 3.1
4、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 - 12 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Melt Temperature, min 160 C (ISO 3146, Method C, 10 C/min heating rate) 3.5 M
5、OLDED 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 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 w
6、ith shorter dimensions shall be cut from the center 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 0.90 - 0.92 g/cm (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATION WSB-M4D911-A Printed copies are uncontrolled
7、 Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Yield, min 19.6 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 5.8% (Test Method according to para 3.5.3) (s) 3.5.4 Flexural Modulus, min 72
8、0 - 900 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 Shear Modulus at 23 C 448 - 672 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center o
9、f specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range s
10、hown on page 4. (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 7.3 kJ/m 3.5.6.2 At -40 +/- 1 C 3.6 kJ/m The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact
11、 test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min 53 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, tested edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at
12、90 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) ENGINEERING MATERIAL SPECIFICATION WSB-M4D911-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 3.5.8.1 Tensile Strength at Yield Change +/- 25% (Test Me
13、thod per para 3.5.3) 3.5.8.2 Elongation at Yield Change +/- 25% (Test Method per para 3.5.3.1 3.5.8.3 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 60 Formation of clear film,
14、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 2.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance
15、in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 10 - 19-5/ C (ASTM E 831 (TMA), temperature range -30 to +30 C) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 1.6% 5.3 RECYCLING CODE PP ENGINEERING MATERIAL SPECIFICATION WSB-M4D911-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4
