1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 22 N-STATUS No replacement named J. Crist, NA 2006 05 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1994 11 17 Released NB00I10043054395 M. Trapp Printed copies are uncontrolled Copyright 2010, Ford Global Technologies,
2、LLC Page 1 of 5 POLYPHENYLENE ETHER + POLYSTYRENE BLEND (PPE+PS) WSB-M4D844-A11 MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic molding compound based on polyphenylene ether modified with high impact polystyrene. 2. APPLICATION Th
3、is specification was released originally for material used for interior trim console components. 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 6.0 - 19.0 g/10 minutes (ISO 1133, 300 C, 6.7 kg) The material shall be dried for 30 minutes minimum at 95 C in a mechanical convection
5、 oven immediately preceding the test. 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 316
6、7) 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 shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.03 - 1.08 g/cm (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATIONWS
7、B-M4D844-A11Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 (s) 3.5.3 Tensile Strength at Yield, min 38.0 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 Break, min 40% (Test Method according to par
8、a 3.5.3) (s) 3.5.4 Flexural Modulus, min 2.4 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 768 - 1152 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10
9、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 +150 C temperature range, at 5 C minimum intervals. The plotted
10、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 17.0 kJ/m 3.5.6.2 At -40 +/- 1 C 6.0 kJ/m 3.5.6.3 At -15 +/- 1 C 12.0 kJ/m The test specimens must be condition
11、ed 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, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 87 C 3.5.7.2 At 0.45 MPa
12、96 C 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. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A11Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5
13、(s) 3.5.8 Vicat Softening Temperature, min 103 C (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 50 N load) All specimens dry as molded. If not tested immediately after molding, specimens must b
14、e stored in a sealed, moisture-proof container filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 90 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Yield Change +
15、/- 25% (Test Method per para 3.5.3) 3.5.9.2 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 90 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABIL
16、ITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.5 +/- 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 COE
17、FFICIENT OF LINEAR THERMAL EXPANSION 6.0 - 8.0-5/ C (ASTM E 831 (TMA), temperature range -30 to +50 C) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A11Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0
18、.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.4 to 0.8% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.4 to 0.9% 5.4 RECYCLING CODE PPE+PS ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A11Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
