1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 11 N-STATUS No replacement named A. Pan, APA 2005 07 25 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.6, 3.7 & 4 1987 12 01 Released CF4R-RD107002-57 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1
2、 of 2 POLYBUTYLENE TEREPHTHALATE (PBTP) Ti02 FILLED ESF-M4D575-A - HIGH LIGHT REFLECTANCE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic polyester molding compound based on polybutylene terephthalate (PBTP) possessing highlight reflectance. 2. AP
3、PLICATION This specification was released originally for material used for instrument cluster back cans. 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-
4、A). 3.4 MOLDING COMPOUND 3.4.1 Melting Point, min 216 C (ASTM D 3418) 3.4.2 Ash, max 23 - 27% (FLTM BO 006-02) 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 specimens shall be prepared ac
5、cording to ISO 294/ASTM D 1897. No annealing allowed. 3.5.2 Density 1.54 - 1.59 g/cm3(ISO R 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 55 MPa (ISO R 527/ASTM D 638, 3.2 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 3.1 GPa (ISO 178/ASTM D 79
6、0, Method I, Procedure A, 3.2 +/- 0.2 mm specimen, 100 mm support span) 3.5.5 Flexural Strength, min 95 MPa (Test Method according to 3.5.4) ENGINEERING MATERIAL SPECIFICATIONESF-M4D575-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 3.5.6 Impact Strength,
7、 Izod, min 45 J/m (ISO 180, Method A/ASTM D 256, Method A 3.2 +/- 0.2 mm thick specimen, 10 specimens minimum) 3.5.7 Heat Deflection Temperature, min 70 C (ISO 75/ASTM D 648, 3.2 +/- 0.2 mm thick specimen at 1.82 MPa) 3.5.8 Water Absorption, max 0.10% (ISO 62, 24 h/ASTM D 570, 24 h, 50 +/- 1 mm diam
8、eter, 3.2 +/- 0.2 mm thick specimen) 3.5.9 Specular Gloss, min 90 (ASTM D 523, 20 angle) 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 120 C (ISO 75/ASTM D 648, 3.2 +/- 0.2 mm thick specimen at 0.45 MPa) 5.2 IMPACT STRENGTH, IZOD 1.2 kJ/m (ASTM D 256, Unnotched, 3.2 +/- 0.2 mm thick specimen, 10 specimen minimum)
