1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number TUBING, PTFE - GLASS SPHERE FILLED ESA-M4D465-A1 TUBING, PTFE - POLYPHENYLENE SULFIDE FILLED ESA-M4D465-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are a glass sphere or polyphenylene s
2、ulfide filled polytetrafluoroethylene tubings. 2. APPLICATION These specifications were released originally for material used for clutch, shifter or accelerator cable inner liner tubes. 3. REQUIREMENTS 3.1 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, at its option, may cond
3、uct infrared and/or thermal analysis of material/parts supplied to this specification. The curves established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce curves that correspond to the referenc
4、e standard when tested under the same conditions as those specified on the master curve. 3.2 COMPOSITION 3.2.1 Base Material Polytetrafluoroethylene per ESA-M4D27-A 3.2.2 Filler ESA-M4D465-A1 Glass Spheres ESA-M4D465-A2 Polyphenylene Sulfide 3.3 PHYSICAL PROPERTIES A1 A2 3.3.1 Color Red Brown 3.3.2
5、Specific Gravity 2.1-2.3 1.90-2.15 (ASTM D 792) 3.3.3 Melting Point, EC 327 +/- 5 330 +/- 5 (ASTM D 3418, DTA) Date Action Changes 2011 03 01 N Status A1 & A2 No replacement named A. Pan, APA 1988 10 28 3.3.3 Revised, was 327, retyped 1984-05-22 Engineering Deviation NR 133071 WP 3948-a Page 1 of 2
6、ENGINEERING MATERIAL SPECIFICATION ESA-M4D465-A1 /ESA-M4D465-A2 A1 A2 3.3.4 Tensile Strength, MPa, min 13.8 24.1 (ASTM D 638) 3.3.5 Elongation, % min 150 100 (ASTM D 638) 3.4 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the materi
7、al upon which approval was originally granted. Prior to making 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 requi
8、rements, the Supplier shall notify Purchasing, Toxicology and 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. Substan
9、ce restrictions imposed by law, regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1, unless a different suffix (e.g., A2 or A3) is specified on the engineering document for the application. 4. APPR
10、OVAL OF MATERIALS Materials 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. U
11、pon request, the Supplier shall submit to the affected Materials Engineering activity its own laboratory report to the specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Upon approval, the material will be added to the Engineering Material Approved Source List. WP 3948-b Page 2 of 2
