1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 05 14 N Status No usage or replacement N. Benipal, NA 2008 04 28 Revised Inserted 3.0; Deleted 3.7 by weight, min 76.8% (FLTM BI 102-01) 3.1.2 Total Pigment Content of Non-Volatile 75.0% Content, by weight, min 3.1.3 Metallic Zinc
2、 Content of Non-Volatile 73.0% Content, by weight, min (FLTM AI 001-01) 3.1.4 Weight per Volume, min at 23 +/- 2 C 2.23 Kg/l (ASTM D 1475) 3.1.5 Volume Solids Content (Analytical), min 42.0% (ASTM D 1475) 3.1.6 Specific Composition 3.1.6.1 Volatile Portion Suppliers shall furnish certification of co
3、nformance to this specification to Ford Motor Company Purchasing and/or Quality Control. The volatile portion shall not be photochemically reactive as defined below: ENGINEERING MATERIAL SPECIFICATION ESA-M6J140-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 4 A photochemically reactive s
4、olvent is any solvent with an aggregate of more than 20% of its total volume composed of the chemical compounds classified below or which exceeds any of the following individual percentage composition limitations, referred to the total volume of solvent: A combination of hydrocarbons, alcohols, alde
5、hydes, esters or ketones having an olefinic or cycloolefinic type of unsaturation - 5%. A combination of aromatic compounds with eight or more carbon atoms to the molecule except ethylbenzene - 8%. A combination of ethylbenzene, ketones having branched hydrocarbon structures, trichloroethylene or to
6、luene - 20%. Whenever any organic solvent or any constituent of an organic solvent may be classified from its chemical structure into more than one of the above groups of organic compounds, it shall be considered as a member of the most reactive group, that is, that group having the least allowable
7、percent of the total volume of solvents. Enamels or primers sent to various regions of the country must conform to E.P.A. rules and regulations for that region. 3.1.7 Viscosity, #4 F.C. 50 - 80 (FLTM BI 111-01) 3.1.8 Flash Point, min 28 C (ASTM D 56) 3.1.9 Stability 3.1.9.1 Gassing, min 72 h, no gas
8、 (FLTM BI 102-03) 3.1.9.2 Storage Stability The material shall not jell, settle hard or have a viscosity change from the original in excess of 5 sec when left undisturbed for 60 days at 23 +/- 2 C. Conformance to this requirement is mandatory for all new materials submitted for engineering approval
9、and for all production material supplied to the Company and subsequently stored under the above conditions. This is not required as a routine control test. 3.2 PREPARATION OF TEST PANELS Prepare panels according to FLTM BI 103-04, using unpolished Bondrite 40 steel panels available from the Parker C
10、o. Control panels using current approved production material will be concurrently prepared and tested per Para 3.3, 3.4 and 3.5. ENGINEERING MATERIAL SPECIFICATION ESA-M6J140-A Copyright 2012, Ford Global Technologies, LLC Page 3 of 4 3.2.1 Primer Reduce to 25 sec, #4 Ford Cup with cellusolve acetat
11、e. Dip or spray to thickness of 1 mil. 3.2.2 Bake Schedules 1 min at 343 C to achieve a peak metal temperature of 224 C. 3.2.3 Aging Bake panels shall be aged 24 h at 23 +/- 2 C, before running adhesion or resistance tests. 3.3 APPEARANCE The primer shall bake out to a uniform film, showing no pinho
12、les, craters or abnormal roughness. 3.4 FILM PROPERTIES 3.4.1 Film Thickness .0254 mm (FLTM BI 117-01) 3.4.2 Adhesion, max 5.0% (FLTM BI 106-01, B) Shall be equal to approved production material when applied and tested under identical conditions. 3.4.3 Hiding Power .0254 mm (FLTM BI 101-02) 3.5 RESI
13、STANCE PROPERTIES 3.5.1 Salt Spray Resistance, min 240 h (FLTM BI 103-01) Blisters are permitted provided they are no greater than 1/16 in (1.6 mm) diameter or do not appear over 5% of the panel area (per ASTM D 1654 Rating Schedule 2, Rating Number 7). Material must be equal to or better than the m
14、aster corrosion color photograph standards on file at Central Laboratory. Disregard any effects within 1/4 in (6 mm) of all panel edges. 3.5.2 Water Resistance, 240 h, min No rust or (FLTM BI 104-01) blistering ENGINEERING MATERIAL SPECIFICATION ESA-M6J140-A Copyright 2012, Ford Global Technologies,
15、 LLC Page 4 of 4 3.5.3 Additional Resistance Properties Prime shall show no softening or film defect when immersed 24 h at 23 +/- 2 C in the following currently approved materials: . motor oil . gasoline . brake fluid . shock absorber fluid . ATF . MTF . power steering fluid. 3.6 TOXICITY The materi
16、al shall contain no benzene or chlorinated hydrocarbon compounds, or have an obnoxious or objectionable odor. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COVERAGE, at 1 mil 643.8 ft2/gal (14.1
17、m2/l) 5.2 FLAMMABILITY This material represents a potential fire hazard. The Manufacturing Engineering Department shall notify both the Plant Security and the Safety Units of its presence in the Plant to assure that proper fire precautions are provided. The location in which it is used or stored shall be included in the notifications. 5.3 CORROSION PROTECTION, 60 Cycles APG This material must be equal to or better than the master corrosion color photographs on file with the Chassis Materials Engineering Section.
