1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2011 03 17 N Status No Replacement Named A. Pan, APA 2006 02 14 Released Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1993 12 01 Released EP00E10258833000 L. Rodigas Printed copies are uncontrolled Copyright 2011, Ford Global Tech
2、nologies, LLC Page 1 of 4 POLYPROPYLENE (PP) COPOLYMER, 20% MINERAL WSK-M4D783-A2 FILLED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 20% mineral filled injection molding compound based on polypropylene copolymer. 2. APPLICATION This specifi
3、cation was released originally for material used for support brackets of clean air filters. 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). 3.1.1 All
4、 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 13 - 19 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Filler Content 18 - 23% (ISO 3451/1, Method A, 30 minutes at 800 +/- 50 C, test p
5、ortion 1 to 2 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 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
6、+/- 0.2 mm Specimens with 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 1.03 - 1.07 g/cm3 (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATION WSK-M4D783-A2 Printed
7、 copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Max Load, min 22 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 2.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm
8、/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 0.85 - 1.40 GPa (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 of specimen A. Specimen length between clamps 35-40 mm. Soak
9、 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 shown on page 4. (s) 3.5.6 Impact Strength, Izod, min (ISO
10、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 3.0 kJ/m2 3.5.6.2 At -40 +/- 1 C 1.0 kJ/m2 3.5.6.3 At 10 +/- 2 C 2.0 kJ/m2 The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature t
11、esting 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, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 55 C 3.5.7.2 At 0.45 MPa 100 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 140 +/-
12、2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Max Load Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) EN
13、GINEERING MATERIAL SPECIFICATION WSK-M4D783-A2 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of clear film or droplets is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, ma
14、x 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 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 E
15、XPANSION 8.0-5/ C (ASTM E 228 or TMA, temperature range 20 - 100 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% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.2 - 0.5% . After 30 min at 120 C 0.0 - 0.5% 5.3 RECYCLING CODE PP-M20 ENGINEERING MATERIAL SPECIFICATION WSK-M4D783-A2 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4
