1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 08 N-STATUS No replacement named J. Crist, NA 2005 07 25 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1987 05 08 Released CF4R107002-14 J. B. Huebner Printed copies are uncontrolled Copyright 2010, Ford Global Technologies
2、 LLC Page 1 of 2 POLYBUTYLENE TEREPHTHALATE (PBT), ESF-M4D562-A 30% GLASS FIBER REINFORCED - SELF EXTINGUISHING NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced thermoplastic polyester molding compound based on polybutylene terephthalate
3、PBTP) possessing good dimensional stability. 2. APPLICATION This specification was released originally for material used for molding radio antenna stanchions. 3. REQUIREMENTS 3.0 STANDARD REQUIRMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standar
4、d Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Glass Fiber Content 28 - 32% (ASTM D 2584, 1 h at 650 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded test specimens. The
5、 specimens shall be prepared according to ISO 294/ASTM D 1897. No annealing allowed. 3.5.2 Tensile Strength at Max Load, min 117 MPa (ISO R 527/ASTM D 638, 3.2 +/- 0.2 mm thick specimen, 5 mm/min test speed) 3.5.2.1 Elongation, min 3.3% (Test Method according to 3.5.2) 3.5.3 Flexural Strength, min 1
6、86 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 3.2 +/- 0.2 mm thick specimen, 100 mm support span) 3.5.4 Impact Strength, Izod, min 53 J/m (ISO 180, Method A/ASTM D 256, Method A, 3.2 +/- 0.2 mm thick specimen, 10 specimens minimum) ENGINEERING MATERIAL SPECIFICATIONESF-M4D562-A Printed copies a
7、re uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 3.6 FLAMMABILITY Burn Rate, max 0 mm/min (SE) (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.
8、5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 DENSITY 1.68 g/cm3(ISO R 1183, Method A/ASTM D 792, Method A1) 5.2 HEAT DEFLECTION TEMPERATURE 204 C (ISO 75/ASTM D 648, 6.4 +/- 0.2 mm thick specimen, at 1.82 MPa) 5.3 COMPRESSIVE STRENGTH 131 MPa (ASTM D 695) 5.4 DIELECTRIC STRENGTH 23 kV/mm (ASTM D 149, Short Time, 3.2 +/- 0.2 mm thick specimen) 5.5 ARC RESISTANCE 123 s (ASTM D 495) 5.6 RECYCLING CODE PBT-GF30
