1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 11 N-STATUS Replaced by WSK-M4D750-A A. Pan, APA 2005 02 18 Revised Inserted 3.0; Deleted 3.1, 3.4.1, 3.6, 3.7 & 4 1983 06 17 Released CF91-RH88543-13 (Was XF-M4DX145) Printed copies are uncontrolled Copyright 2010, Ford Global Technol
2、ogies, LLC Page 1 of 3 POLYBUTYLENE TEREPHTHALATE, 17% GLASS FIBER ESF-M4D354-A6 REINFORCED - SELF EXTINGUISHING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced polybutylene terephthalate resin with high heat resistance, good dimensional
3、stability and good electrical resistance. 2. APPLICATION This specification was released originally for material used for the EEC IV connector. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements
4、For Production Materials (WSS-M99P1111-A). 3.2 FLAMMABILITY, max Self-extinguishing (FLTM BN 024-02, without the lot sampling plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above max value. 3.3 VIRGIN MOLDING COMPOUND 3.3.1 Me
5、lt Flow Rate 13.8 - 22 g/ (ASTM D 1238, 250 C, 2.16 kg) 10 minutes 3.3.2 Glass Fiber Content, by weight 15 - 20% (1 h at 649 C) 3.4 MOLDED TEST SPECIMEN 3.4.2 Specific Gravity 1.49 - 1.56 (ASTM D 792) 3.4.3 Tensile Strength, min 86 MPa (ASTM D 638, 5mm/min) 3.4.4 Flexural Modulus, min 4.8 GPa (ASTM
6、D 790) 3.4.5 Flexural Strength, min 138 MPa (ASTM D 790) ENGINEERING MATERIAL SPECIFICATIONESF-M4D354-A6 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.4.6 Impact Strength, Izod, min (ASTM D 256) Notched 37 J/m Unnotched 480 J/m 3.4.7 Heat Deflection Temp
7、erature, min 168 C (ASTM D 648, at 1.82 MPa) 3.4.8 Water Absorption, max 0.1% (ASTM D 570, 24 h immersion) 3.4.9 Dielectric Strength, min 18 kV/mm (ASTM D 149, short time) 3.4.10 Arc Resistance, min 70 s (ASTM D 495) 3.5 MOLDED PART 3.5.1 Color Natural or as specified on engineering drawing 3.5.2 Ap
8、pearance Shall be uniform in density, texture and finish, free of visible porosity, warpage, heat scorch, checks, cracks, chipped edges and uneven surfaces. They shall also be free of other contamination. 3.5.3 Regrind and/or Blended Material Must meet Q101 Appendix D, or limits as specified on the
9、engineering drawing. 3.5.4 Additional Requirements Specific requirements for physical properties of molded or extruded parts shall be specified on the engineering drawing and/or engineering part specification. All critical areas with respect to these properties shall be clearly designated on the eng
10、ineering drawing. 3.5.5 The following requirements will be used as acceptance criteria for molded parts. The tests indicated will be conducted by Ford Motor Company at its option or by the part molder as specified by the affected Design Engineering Activity or SQA. Melt Flow Rate, max Two times the
11、actual value (ASTM D 1238, 250 C, obtained for virgin material from 2.16 kg) the same batch from which the part was molded. Glass Fiber Content, by weight 15 - 20% (1 h at 649 C) ENGINEERING MATERIAL SPECIFICATIONESF-M4D354-A6 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 HEAT DEFLECTION TEMPERATURE 196 C (ASTM D 648, at 0.45 MPa)
