1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 25 N-STATUS No replacement named J. Crist, NA 1993 04 01 Released EP00E10258813000 P. Kuntze Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 5 POLYPHENYLENE ETHER + POLYSTYRENE BLEND WSK-M4D856-A
2、1 (PPE+PS), WSK-M4D856-A1 BLOW MOLDING COMPOUND, PAINTABLE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic blend blow molding compound based on polyphenylene ether modified with high impact polystyrene. 2. APPLICATION This specification was releas
3、ed originally for material used for painted exterior parts such as spoilers. 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually acceptable Control Plan as described therein is required for material/source approval. App
4、ropriate statistical tools must be used to analyze process/product data so that variation in the final product is continuously reduced. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, at its option, may conduct infrared and/or thermal analysis of material/parts supplied to
5、 this specification. The IR spectra and thermograms established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond to the reference standard when tested und
6、er the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 EC and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise spe
7、cified. 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 1.5 - 7.5 g/ (ISO 1133/ASTM D 1238, 10 minutes 300 EC, 2.16 kg) The material shall be dried for 2 h minimum at 100 - 105 EC in a mechanical convection oven immediately preceding the test. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D856-A1 Printed copies
8、 are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 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
9、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 shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.03 - 1.10 g/cm (ISO 1183, Method A
10、/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 35 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.3.1 Elongation at Break, min 30 % (Test Method according to para 3.5.3) 3.5.4 Flexural Modulus, min 1.8 GPa (ISO 178/ASTM D 790M, Method I,
11、Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.5 Shear Modulus at 23 EC 670 - 900 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15 %, strain leve
12、l 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 vs. Temperature curve shall be plotted for - 50 to + 150 EC temperature range,
13、at 5 EC minimum intervals. The plotted curve must be within tolerance range shown on page 7. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/ 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 EC 22 kJ/m 3.5.6.2 At - 20 +/- 2 EC 14 kJ/m 3.5.6.3
14、 At - 40 +/- 2 EC 12 kJ/m The 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, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, m
15、in 103 EC (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/ 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D856-A1 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Vicat Softening Temperature, min 1
16、26 EC (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 EC/h. Dial gage reset to 0 after addition of 5 kg weight. At 49.0 N load) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container
17、 filled with silica gel. 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 90 +/- 2 EC. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Change +/- 15 % (Test Method per para 3.5.3) 3.5.9.2 Im
18、pact Strength, Izod - 40 % Change, max (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (FLTM BO 116-03)
19、 Fog Number, min 95 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.8 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the Engineering drawing, Engineering parts specification and/or performance specificatio
20、ns. All critical areas with respect to these properties shall be clearly designated on the Engineering drawing. 3.9 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to mak
21、ing any change in the properties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify Purchasing, Toxicology a
22、nd the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. Substance restrictions imposed by law, regulations or Ford, apply
23、to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D856-A1 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 4. APPROVAL OF MATERIALS Material
24、s defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier
25、shall submit to the affected Materials Engineering activity a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification (test results, not nominal values), t
26、he material designation and code number, and test specimens for Ford evaluation. Fords engineering approval of a material will be based on its performance to this specification and on an assessment of suitability for intended process and/or application. Upon approval, the material will be added to t
27、he Engineering Material Approved Source List. 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 6.0 - 8.0E-5/ EC (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, app
28、rox. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 EC 0.5 - 0.7 % 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 EC 0.1 % . After 30 min at 120 EC tbe % 5.3 MELT VOLUME RATE 2 - 8 cm/ (ISO 1133/ASTM D 1238,
29、 280 EC, 5 kg) 10 minutes 5.4 HEAT DEFLECTION TEMPERATURE, min 122 EC (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/ 0.01 mm. At 0.45 MPa) All specimens dry as molded. If not tested immediately after molding specimens must be stored in a sealed moisture-pro
30、of container filled with silica gel. 5.5 VICAT SOFTENING TEMPERATURE, min 138 EC (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens. Bath - silicone oil, temp. raise 50 +/- 5 EC/h. Dial gage reset to O after addition of 1 kg weight. At 9.81 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 PPE+PS ENGINEERING MATERIAL SPECIFICATIONWSK-M4D856-A1 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
