1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2008 03 13 N-STATUS No replacement named; Fixed numbering in 5 G. Kowalski 1987 06 02 Revised Re-typed - CDQ2-171050-C9 1981 11 02 Released SM2-101 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 3 POLY
2、AMIDE (PA) 6, MINERAL FILLED - ESA-M4D429-A1 ELECTROPLATING GRADE - EXTERIOR POLYAMIDE (PA) 6, MINERAL FILLED - EXTERIOR - ESA-M4D429-A2 PAINTED POLYAMIDE (PA) 6, MINERAL FILLED - EXTERIOR - ESA-M4D429-A3 PAINTED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications ar
3、e injectable molding grade mineral filled polyamides (nylons) with high mechanical and thermal properties, good surface finish, excellent moldability, and dimensional stability. 2. APPLICATION These specifications were released originally for materials used in both painted or decorative chrome plate
4、d wheel cover or ornament applications. 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). 3.4 MOLDING COMPOUND A1/A2 A3 3.4.1 Melting Point, C 210 - 22
5、5 210 - 225 (FLTM BO 120-02 or ASTM D 789) 3.4.2 Moisture Content, %, max 0.20 0.20 (ASTM D 789) 3.4.3 Filler Content, by Weight, % 38 - 42 32 - 36 (ASTM D 2584, 1 h at 600 C) ENGINEERING MATERIAL SPECIFICATION ESA-M4D429-A1/A2/A3 Printed copies are uncontrolled Copyright 2008, Ford Global Technolog
6、ies, LLC Page 2 of 3 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 according to ASTM D 1897. No annealing allowed. A1/A2 A3 3.5.2 Specific Gravity 1.44 - 1.52
7、1.36 - 1.45 (ASTM D 792) 3.5.3 Tensile Strength, MPa, min 72.4 72.4 (ASTM D 638, 5 mm/min test speed) 3.5.4 Elongation, %, min 5 12 (ASTM D 638, 5 mm/min test speed) 3.5.5 Flexural Modulus GPa, min 4.8 4.5 (ASTM D 790) 3.5.6 Impact Strength, Izod J/m, min 30 48 (ASTM D 256, Method A) 3.5.7 Heat Defl
8、ection Temperature, C, min 110 85 (ASTM D 648, at 1.82 MPa) 3.7 PLATABILITY (ESA-M4D429-A1) When plated, the finished part shall conform to the requirements of engineering performance specification ESA-M1P47-D. 3.8 PAINTABILITY (ESA-M4D429-A2 & A3) When painted, the finished part shall conform to th
9、e requirements of engineering performance specification ESA-M2P7-B1. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. ENGINEERING MATERIAL SPECIFICATION ESA-M4D429-A1/A2/A3 Printed copies are uncontro
10、lled Copyright 2008, Ford Global Technologies, LLC Page 3 of 3 A1/A2/A3 5.1 MOLD SHRINKAGE 0.009 - 0.011 (ASTM D 955) 5.1.1 Post Shrinkage 0.002 - 0.003 (After painting) 5.2 HARDNESS, ROCKWELL R 122 (ASTM D 785) 5.3 WATER ABSORPTION, max 1.08% (ASTM D 570, 24 h immersion) 5.4 APPROVED PRIMERS AND TOPCOAT ESA-M6J127-A/B Primer-Surfacer ESA-M32J101-B Paint-Enamel, Acrylic ESA-M50J100-B Paint-Enamel, Acrylic Baking, Non-Aqueous Dispersion (NAD)
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