1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 06 17 N Status No replacement named C. McComb, NA 2008 01 16 Revised Updated Format, No Technical Change 1966 07 27 Released AV1 #987 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 1 of 5 ENAMEL
2、, BAKING, CHROMIUM PLATED SUBSTRATES, EXTERIOR ESB-M2J113-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a baking enamel formulated to provide the required adhesion and weatherability properties for use as a decorative finish for exterior chrome flashed or chr
3、ome plated substrates. 2. APPLICATION This specification was released originally for enamel used for partially painted exterior chrome flashed or chrome plated trim, such as wheel discs, back panels, grilles, moldings and large appliques. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATE
4、RIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 TOXICITY The enamel shall contain no benzene, chlorinated or other toxic compounds, or hydrolyzable chlorine derivatives, nor have an obnoxious or objectionab
5、le odor. 3.3 PREPARATION OF TEST PANELS 3.3.1 Substrate Chromium plated panels conforming to ESB-M1P18. 3.3.2 Cleaning Panels . Spray-wash or immerse and agitate the panels in the following solution: Material M-1048 Tri Sodium Phosphate Concentration 3 - 4 oz/gal (22.5 - 29.9 g/l) Temperature (66 +/
6、- 5 C) Time, min 2 min . Rinse in cold running water. ENGINEERING MATERIAL SPECIFICATION ESB-M2J113-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 5 . Dip in chromic acid solution: Material M-1129 Chromic Acid Concentration 2 - 4 oz/100 gal of water (0.15 -
7、 0.29 g/l) Temperature (77 +/- 5 C) Time, min 2 min . Rinse in hot (49 - 60 C) distilled or deionized water. . Rinse in cold distilled or deionized water. . Drain and blow off drops with compressed air. . Dry in mechanical convection oven. 3.3.3 Painting (FLTM BI 111-01) Reduce enamel to spray visco
8、sity of 20 +/- 2 s, using the solvent recommended by the manufacturer and spray panels within 1 h after cleaning. 3.3.4 Baking Bake enamel 17 min at 129 C and age 1 h min at 22 C before testing. 3.4 APPEARANCE 3.4.1 Color (FLTM BI 109-01) Shall match Ford Motor Company master panel. 3.4.2 Gloss (FLT
9、M BI 110-01, 60 Glossmeter) 3.4.2.1 Appearance Items The gloss shall be specified by means of a letter suffix to the color number assigned by Styling, as follows: A 92 min F 35 +/- 3 B 80 +/- 4 G 20 +/- 3 C 70 +/- 4 H 10 +/- 3 D 62 +/- 3 J 6 max E 50 +/- 3 3.4.3 General The enamel shall bake out to
10、a presentable, serviceable film showing no craters, pinholes, seediness or abnormal roughness. It shall have a reasonable tolerance to ordinary cleaning and polishing procedures. ENGINEERING MATERIAL SPECIFICATION ESB-M2J113-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies,
11、 LLC Page 3 of 5 3.5 FILM PROPERTIES 3.5.1 Film Hardness Shall be sufficiently hard at time of packing to withstand normal handling. 3.5.2 Adhesion (FLTM BI 106-01) No flaking or chipping. 3.5.3 Film Thickness 0.0010 in - 0.0015 in (26 - 38m) 3.5.4 Flexibility (FLTM BI 105-01) No cracks shall appear
12、 in the film of the test panel in the area extending 1/2 in (13 mm) beyond the small end of the mandrel. 3.5.5 Hiding Power, wet (FLTM BI 101-01, at a viscosity of 26 - 28 s) All metallic colors, 0.007 in (0.18 mm) wedge, max 14 Black, 0.002 in (0.05 mm) wedge, max 14 Reds and maroons, 0.007 in (0.1
13、8 mm) wedge, max 14 Medium and dark colors, 0.007 in (0.18 mm) wedge, max 10 Light colors and white, 0.007 in (0.18 mm) wedge, max 8 3.6 RESISTANCE PROPERTIES 3.6.1 Water Resistance, min 96 h (FLTM BI 104-01) Immerse the panels for 96 h in distilled or deionized water maintained at 32 +/- 1 C. Remov
14、e parts from the water and immediately scribe an X through the enamel to the metal. Dry the scribed area with a paper towel, cloth or air pressure and immediately apply, with firm thumb pressure, a min of 2 sq in (1300 mm2) of ESF-M3G48-A tape. Remove the tape by pulling one end at a 90 angle at a m
15、oderate speed. The following conditions shall be basis for rejection: . Removal of paint beyond 1/16 in (1.6 mm) from any scribe line . Any evidence of blistering after tape removal. ENGINEERING MATERIAL SPECIFICATION ESB-M2J113-A Printed copies are uncontrolled Copyright 2011, Ford Global Technolog
16、ies, LLC Page 4 of 5 3.6.2 Weathering Resistance 3.6.2.1 Accelerated Weathering The enamel shall exhibit no checking and no more dulling or color change than the approved master sample on file in the Body Materials Section. The enamel shall not blister nor show loss of adhesion when subjected to the
17、 following test: . FLTM BO 101-01, 400 h. . 24 h water immersion. Check adhesion per paragraph 3.6.1. 3.6.2.2 Florida Exposure (Miami Area) The enamel shall exhibit no checking and no more dulling or color change than the approved master sample on file in the Body Materials Section. The enamel shall
18、 not blister nor show loss of adhesion when subjected to 1 cycle of the following cycle test: . 160,000 Langleys (approximately 1 year) min exposure at 45 facing south in the Miami, Florida area. . 24 h water immersion. Check adhesion per paragraph 3.6.1. Note: In the event of differences in the tes
19、t results of accelerated weathering (3.6.2.1) and Florida Exposure (3.6.2.2), the results of the Florida Exposure (3.6.2.2), shall govern. 3.6.3 Thermal Shock Resistance (FLTM BI 107-05) The enamel shall exhibit no blistering nor loss of adhesion when subjected to the following cycle test: . 4 h wat
20、er immersion. . 4 h min exposure at -29 C. . Direct steam blast on scribed X at 45 angle 2 - 3 in (51 - 76 mm) from panel for 15 s min. 3.6.4 Resistance to Water and Soap Spotting (FLTM BI 113-01, except use of colorimeter is omitted) The enamel shall exhibit no more dulling or color change than the
21、 approved master sample on file in the Body Materials Laboratory. ENGINEERING MATERIAL SPECIFICATION ESB-M2J113-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 5 of 5 3.6.5 Resistance to Acid Spotting (FLTM BI 113-02, except use of colorimeter is omitted) The ena
22、mel shall exhibit no more dulling or color change than the approved master sample on file in the Body Materials Laboratory. 3.6.6 Gasoline Resistance The enamel shall exhibit no more softening, dulling, color transfer or color change than the approved master sample on file in the Body Materials Labo
23、ratory. The enamel shall not blister nor show any evidence of loss of adhesion. Test Method: Place the painted panel in a 600 ml beaker half full of M14J148 Petroleum Naphtha - Aliphatic type, for 1 h at 23 C min. Wipe the panel with a soft cloth and examine the cloth for evidence of color transfer
24、and the paint film for evidence of degradation. 3.7 STABILITY 3.7.1 Shelf Stability (FLTM BI 102-03) The material shall not jell or liver upon standing nor shall the viscosity increase more than 15 s above an initial spray viscosity of 20 s. 4. GENERAL INFORMATION The information given below is prov
25、ided for clarification and assistance in meeting the requirements of this specification. 4.1 FLASH POINT Below 27 C 4.2 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.
