1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 20 N-STATUS No replacement named J. Crist, NA 2006 07 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 11 04 Released NB00I10043054380 M. Trapp Printed copies are uncontrolled Copyright 2010, Ford Global Technologies,
2、LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, IMPACT MODIFIED, WSB-M4D919-A 30% MINERAL FILLED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 30% mineral (talc) filled impact modified injection molding thermoplastic molding compound based on p
3、olypropylene copolymer. 2. APPLICATION This specification was released originally for material used for cluster pocket and center duct troughs. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements
4、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 4 - 7 g/10 minutes (ISO 1133, 230 C, 2.16 kg) The material shall be dried for 5 h minimu
5、m at 100 C in a mechanical convection oven immediately preceding the test. (s) 3.4.2 Mineral Content 26 - 31% (ISO 3451/1, Method A, talc filler 1 h at 750 +/- 25 C, test portion 1 to 2 g) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carr
6、ied 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 specimen A and/or B. The specimens
7、 shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D919-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.09 - 1.15 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 20 MPa (
8、ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min) (s) 3.5.4 Flexural Modulus, min 1.8 GPa (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 990 - 1650 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +
9、/- 15%, strain 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 versus Temperature curve shall be plotted for -50 to +160 C t
10、emperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. (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 6.0 kJ/m 3.5.6.2 At -40 +/- 1 C 6.6 kJ/mThe test specim
11、ens 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. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen,edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80
12、 MPa 52 C 3.5.7.2 At 0.45 MPa 105 C ENGINEERING MATERIAL SPECIFICATIONWSB-M4D919-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 130 +/- 2 C. After heat aging test specimens a
13、re 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) 3.5.8.1 Tensile Strength at Yield % Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per p
14、ara 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C heating, 21 C cooling plate) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required
15、for material approval is 355 x 100 x 1.5 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.0-5/ C (ASTM E 831 (TMA), temper
16、ature 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 1.0% ENGINEERING MATERIAL SPECIFICATIONWSB-M4D919-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Pa
17、ge 4 of 5 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.05% . After 30 min at 120 C 0.15% 5.3 HARDNESS, DUROMETER D 63 (ISO 868, 15 s dwell) 5.4 ELONGATION AT BREAK, min 43% (Test Method according to para 3.5.3) (s) 5.5 VICAT SOFTENING TEMPERATURE, min 146 C
18、 (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage reset to 0 after addition of 5 kg weight. At 10 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. 5.6 RECYCLING CODE PP-TD30 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D919-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
