1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 22 N-STATUS No replacement named J. Crist, NA 2005 09 28 Revised Inserted 3.0, 3.0.1 deleted 3.1, 3.2, 3.3; 3.8, 3.9 entire spec revised K. D. Bruley 1997 09 24 Activated T. Honey Printed copies are uncontrolled Copyright 2010, Ford Gl
2、obal Technologies, LLC Page 1 of 4 POLYPHENYLENE ETHER + POLYSTYRENE (PPE+PS), WSB-M4D844-A10 BLOW MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is thermoplastic blow molding compound based on styrene modified polyphenylene ether. 2. APPLICATION T
3、his specification was released originally for material used for deck lid spoilers. 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). 3.0.1 All requirem
4、ents of this specification, identified by symbol (s), shall be met with data representing 3 sigma values using latest ISO test methods. 3.0.2 This specification is based on virgin material only. The use of in-house regrind is not allowed unless the part is validated during PV testing with the docume
5、nted level of regrind noted on the part drawing. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 8 - 14 g/10 minutes (ISO 1133, 250 C, 10 kg) The material shall be dried for 30 minutes min at 95 C in a mechanical convection oven immediately preceding the test. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparatio
6、n 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 shorter dimensions shall be cut
7、from the center portion of the test specimen A and/or B. The specimen shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A10 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.5.2 Density 1.03 - 1.09 g/c
8、m3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 38 MPa (ISO R 527, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute test speed) (s) 3.5.3.1 Elongation at Break, min 12% (Test Method according to para 3.5.3) 3.5.4 Tensile Modulus, min 1.5 GPa (ISO 527-1 150 x 1 x 4 mm specimen spe
9、cimen A). Test speed shall be 5 mm/minute for all materials. A tensile stress versus strain curve must be provided using one specimen per lot at each of the following temperatures: -40 C, 23 C, 80 C and 105 C (Page 4). (s) 3.5.6 Flexural Modulus, min 1.9 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specim
10、en, 2 mm/minute test speed, 64 mm support span) (s) 3.5.7 Impact Strength, Izod, notched (Initial Qualification), min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.7.1 At 23 +/- 2 C 20 kJ/m23.5.7.2 At 0 +/- 2 C 12.5 kJ/m23.5.7.3 At -40 +/- 2 C 8.5 kJ/m2The test spec
11、imens must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.8 Heat Deflection Temperature, min 104 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flat
12、wise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A10 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 (s) 3.5.9 Vicat Softening Temperature, min 124 C (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil
13、, 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 be stored in a sealed, moisture-proof container filled with silica gel. 3.5.10 Heat Aging Performance (ISO 188, exc
14、ept 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.10.1 Tensile Strength at Change +/- 25% (Test Method per para 3.3.3) 3.5.10.2 Impact Strength, Izod Change +/ 25 % (Test Method per para 3.3.7.1, spec
15、imens to be notched before heat aging) 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h) Fog Number, min 99 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 req
16、uired for material approval is 355 x 100 x 2.54 +/- 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 8.4 -5/C (ASTM E 228 or TMA,
17、 temperature range -5 to +200 C) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D844-A10 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4 5.2 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . Afte
18、r 48 h at 23 +/- 2 C With Flow 0.76% Across Flow 0.68% 5.2.2 Post Shrinkage (Separate specimen required for each test) . After 48 h at 80 C 0.5 - 1.2% . After 30 minutes at 120 C 0.4 - 1.2% 5.3 RECYCLING CODE PPE+PS 5.4 HEAT DEFLECTION TEMPERATURE 123 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa)
