1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 10 26 Revised Inserted 3.0; Deleted 3.4, 3.5 & 4 1978 07 14 Metricated and Retyped CE3H-RD782440-E 1975 05 16 Released (was XE-M3D1-A) CE3D-RD740100-564 Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1
2、of 2 ALKYD MOLDING COMPOUND, GLASS FILLED - HIGH ESE-M3D124-A HEAT AND HIGH IMPACT RESISTANT 1. SCOPE The material defined by this specification is a glass reinforced, alkyd (polyester) molding compound. The material is especially formulated for high heat and high impact applications. 2. APPLICATION
3、S This specification was released originally for material used in the manufacture of distributor caps. 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-A)
4、 3.1 MOLDED PROPERTIES Test specimens to be run for certification as established by Quality Control. The intervals established by Quality Control to confirm that the values are representative and for initial approval. 3.1.1 Specific Gravity (ASTM D 792) Tolerance of +/- 0.02 for each supplier based
5、 on original sample as approved by Materials Engineering. 3.1.2 Color Blue or as specified on engineering drawing. 3.1.3 Deflection Temperature, min 260 C (ASTM D 648, 264 psi) (1820 kPa) 3.1.4 Dielectric Strength, min (ASTM D 149) Short Time 350 V/mil (13.8 kV/mm) Step by Step 300 V/mil (11.8 kV/mm
6、) 3.1.5 Impact Strength, Izod, min 3.0 ft lb/in (160 J/m) (ASTM D 256, notched, 1/2 in (12.7 mm) sample width x 1/2 in (12.7 mm) sample thickness) ENGINEERING MATERIAL SPECIFICATIONESE-M3D124-A Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 3.1.6 Water Abso
7、rption, max 0.20% (ASTM D 570) 3.1.7 Arc Resistance, min 180 s (ASTM D 495) 3.2 RAW MATERIAL It is the responsibility of the molder of parts using this material, to control the necessary properties needed for his molding process in order to assure acceptable parts. 3.3 MOLDED PARTS Specific requirem
8、ents, when required, shall be specified on the engineering drawings. Parts must meet the design intent as called for in the engineering specification for said parts. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 FLEXURAL STRENGTH 16,000 psi (110 MPa) (ASTM D 790) 5.2 TENSILE STRENGTH 5,800 psi (40 MPa) (ASTM D 651) 5.3 COMPRESSIVE STRENGTH 21,000 psi (145 MPa) (ASTM D 695)
