1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 11 N-STATUS Replaced by SDS and USCAR requirements A. Pan, APA 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 Printed copies are uncontrolled Copyright 2010, Ford Global Technolog
2、ies, LLC Page 1 of 2 POLYPHENYLENE ETHER + POLYSTYRENE BLEND (PPE+PS), ESF-M4D565-A 20% GLASS FIBER REINFORCED INJECTION MOLDING COMPOUND, ELECTRICAL GRADE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced thermoplastic compound based on po
3、lyphenylene ether modified with high impact polystyrene possessing good electrical properties. 2. APPLICATION This specification was released originally for material used for the steering sensor housing. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part p
4、roducers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Glass Fiber Content 18 - 22% (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 carrie
5、d out on injection molded test specimens. The specimens shall be prepared according to ISO 294/ASTM D 1897. No annealing allowed. 3.5.2 Density 1.21 - 1.34 g/cm3(ISO R 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 70 MPa (ISO R 527/ASTM D 638, 3.2 +/- 0.2 mm thick spe
6、cimen, 5mm/min test speed) 3.5.4 Flexural Strength, min 120 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 3.2 +/- 0.2 mm thick specimen, 100 mm support span) 3.5.5 Flexural Modulus, min 4.5 GPa (ISO 178/ASTM D 790, Method I, Procedure A, 3.2 +/- 0.2 mm thick specimen, 100 mm support span) ENGINEER
7、ING MATERIAL SPECIFICATIONESF-M4D565-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 3.5.6 Impact Strength, Izod, min 55 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, mi
8、n 121 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, 24h/ASTM D 570, 24h 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 3.5.9 Dielectric Strength, min 16 kV/mm (ASTM D 149, Short Time, 3.2 +/- 0.2 mm thick specimen) 3.6 FLAMMABILITY
9、 (ASTM D 635) Average Time of Burning, max 5 s Average Extent of Burning, max 30 mm Average Burning Rate, max SE/NBR 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 3.6-5/C (ASTM D 696) 5.2 MOLD SHRINKAGE 0.2 - 0.4 (ASTM D 955) 5.3 HEAT DEFLECTION TEMPERATURE 125 C (ISO 75/ASTM D 648, 3.2 +/- 0.2 mm thick specimen at 0.45 MPa 5.4 HARDNESS, ROCKWELL R 110 (ASTM D 785) 5.5 RECYCLING CODE PPE+PS-GF20
