1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 20 N-STATUS No replacement named J. Crist, NA 2006 06 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 04 07 Released NB00I10043054321 G. A. Molnar M. Myers Printed copies are uncontrolled Copyright 2010, Ford Global T
2、echnologies, LLC Page 1 of 4 POLYPHENYLENE SULFIDE (PPS), 45% MINERAL WSB-M4D900-A MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a very high heat resistant 45% mineral reinforced polyphenylene sulfide (PPS) molding compound. 2. APPLICATION This
3、 specification was released originally for material used for fog lamp reflectors. 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 requireme
4、nts of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Filler Content 43 - 49% (ISO 3451/1, Method A, 75 min at 815 +/- 50 C) (s) 3.4.2 Melt Temperature, min 270 C (ISO 3146, Method C, 10 C/min heating rate) 3.5 MOLDED T
5、EST 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 with sho
6、rter 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. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D900-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.
7、5.2 Density 1.78 - 1.88 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 40 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 9.5 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support sp
8、an) 3.5.5 Shear Modulus at 23 C 2.79 - 4.65 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 time at each temperature interva
9、l - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +250 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 180/1A, 80 x 10 x 4.0 +/- 0.2 mm s
10、pecimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 1.55 kJ/m23.5.6.2 At -40 +/- 1 C 0.85 kJ/m2The test specimens 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 Deflectio
11、n 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 225 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 260 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determin
12、ation) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D900-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 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,
13、specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 95 Formation of a clear film, 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 3.
14、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 EXPANSION 2.7-5/ C (ASTM E 831 (TMA), temperature range -30 to +30 C) 5.2 MOLD SHRI
15、NKAGE (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 0 - 1% 5.3 RECYCLING CODE PPS-M45 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D900-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
