1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 05 10 N Status No usage or replacement N. Benipal,NA 2008 02 28 Revised Inserted 3.0; Deleted 3.8 & 4 1973 07 31 Released AC1-6000-335 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 6 PRIME
2、R SURFACER, TAUPE - EPOXY - LOW BAKE ESB-M6J119-B PRIMER SURFACE, TAUPE - EPOXY - LOW BAKE EXEMPT ESB-M6J120-B SOLVENT (20% REACTIVE SOLVENTS) NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are high solids epoxy or polyester type primer surfacers, possessing goo
3、d gloss, enamel holdout and corrosion resistance, formulated to cure at a minimum metal temperature of 135 C. These materials contain rust inhibitive type pigments to provide maximum corrosion resistance in critical areas. 2. APPLICATION These specifications were released originally for materials us
4、ed as substrates for automotive synthetic baking enamels when processing facilities are not available for the application of separate red and gray primer coats. Exempt solvent materials are used when conformance to the legal requirements of air pollution control authorities is mandatory for an assem
5、bly plant or other painting facility. 3. REQUIREMENTS The materials shall meet all detailed requirements of this section. Tests shall be made on the basis of comparison with approved production material applied and tested under identical conditions. In the event that both the sample under test and t
6、he control material fail any requirements, that test shall be repeated. 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). 3.1 COMPOSITION 3.1.1 Non-Volatile, min 62% (
7、FLTM BI 102-01) 3.1.2 Exempt Solvent The volatile portion of ESB-M6J120-B shall not be photochemically reactive as defined below: A photochemically reactive solvent is any solvent with an aggregate of more than 20% of its total volume composed of the chemical compounds classified below or which exce
8、eds any of the following individual percentage composition limitations, referred to the total volume of solvent: ENGINEERING MATERIAL SPECIFICATION ESB-M6J119-B ESB-M6J120-B Copyright 2012, Ford Global Technologies, LLC Page 2 of 6 A combination of hydrocarbons, alcohols, aldehydes, esters or ketone
9、s 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 branchedhydrocarbon structures, trichloroethylene or toluene - 20%. Whenever an
10、y 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 chemical group, that is, that group having the least allowable percent of the
11、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. 3.1.3 Specific Composition (ESB-M6J120-B) 3.1.3.1 Volatile Portion Suppliers shall furnish, on request, certification of conformance to para 3.1.2 of this
12、 specification to Ford Motor Company Purchasing, AAD, TAE Paint Systems and the Assembly Plant involved for each color supplied. 3.1.4 Toxicity The material shall be non-toxic and shall not cause skin rash or irritation (dermatitis) to exposed handlers in normal production operations. Benzene and ch
13、lorinated hydrocarbon solvents are considered toxic and their use is strictly prohibited in compounding material to this specification. 3.2 PHYSICAL PROPERTIES 3.2.1 Weight Per Volume at 23 +/- 2 C, min 11.0 lb/gal (1.32 (ASTM 1475) kg/l) 3.2.2 Viscosity 22 - 32 s (FLTM BI 111-01) 3.2.3 Stability (F
14、LTM BI 102-03) The material shall not jell, settle hard or increase in viscosity in excess of 10 s. ENGINEERING MATERIAL SPECIFICATION ESB-M6J119-B ESB-M6J120-B Copyright 2012, Ford Global Technologies, LLC Page 3 of 6 3.3 PREPARATION OF TEST PANELS All materials submitted for initial approval shall
15、 be tested on both cold rolled steel and minimum spangle temper rolled quality galvanized steel (ESB-M1A62 type) test panels for all requirements of this specification. 3.3.1 Primer-Enamel System (FLTM BI 103-02, Method “C“, with the following exceptions) Apply the primer (ESB-M6J119-B or ESB-M6J120
16、-B) directly to panels using current approved production material as a control. Bake separate sets of panels at maximum and minimum cycles shown in para 3.3.3. Apply ESB-M50J100 quality enamel at 0.0016 +/- 0.0001 in (40 +/- 2 m) dry film thickness as follows: Black enamel Holdout 3.4.4 Water Immers
17、ion 3.6.4 Humidity 3.6.5 White enamel All other tests Bake the enamel 10 min at 129 C metal temperature (17 min at 129 C - laboratory oven). 3.3.2 Primer Only Reduce primer (ESB-M6J119-B or ESB-M6J120-B) limits as in para 3.3.1. Spray to a dry film thickness of 0.00075 in (19 m). Bake at both cycles
18、 shown in para 3.3.3. 3.3.3 Baking The material shall pass all requirements when baked at both the following schedules: Metal Temperature Laboratory Oven* Bake, min 8 min at 135 C 15 min at 135 C Bake, max 20 min at 163 C 30 min at 163 C *As specified in FLTM BI 103-02. ENGINEERING MATERIAL SPECIFIC
19、ATION ESB-M6J119-B ESB-M6J120-B Copyright 2012, Ford Global Technologies, LLC Page 4 of 6 3.4 APPEARANCE After preparing panels of the material under test and production primer according to para 3.3.1, the primer under test shall be equal to or better than current approved production materials when
20、tested under identical conditions for the following properties. 3.4.1 Color Taupe (No darker or lighter than master panels on file in the Body Materials Engineering Department.) 3.4.2 Gloss, min 65 (FLTM BI 110-01, 60 Glossmeter) Panels are prepared per para 3.3.3. 3.4.3 Leveling The primer film sha
21、ll level with a minimum of orange peel. The surface of the material under test shall be equal to or better than current approved production material for smoothness when applied and baked under identical conditions. 3.4.4 Holdout There shall be no evidence of dulling or strike-in when enamel color co
22、at is applied over sanded or unsanded primer surfacer, and no difference in gloss of the color coat between sanded and unsanded primer. There shall be no prominence of sand scratches. Tests shall be made at both maximum and minimum bake cycles. 3.5 FILM PROPERTIES 3.5.1 Dry Sanding Characteristics T
23、he primer, when applied and baked at both maximum and minimum cycles as outlined in para 3.3.3 shall dry sand (using a new sheet of 280 grit stearate filled paper for each panel) smoothly without clogging the paper and with a minimum of sand scratches. The material shall be equivalent in all respect
24、s to current approved production primer applied and tested under identical conditions. 3.5.2 Adhesion (FLTM BI 106-01) Test material versus current approved production primer. 3.5.2.1 Enamel to Primer Prepare panels per para 3.3.1, except that only one-half of the adhesion test panel is to be sanded
25、. Adhesion of ESB-M50J100 quality enamel to sanded or unsanded primer shall be satisfactory and equal to or better than current approved material, with no chipping, flaking, or peeling. 3.5.2.2 Primer to Metal Prepare panels per para 3.3.2. Adhesion shall be satisfactory and equal to or better than
26、current approved primer, with no chipping, flaking, or peeling. ENGINEERING MATERIAL SPECIFICATION ESB-M6J119-B ESB-M6J120-B Copyright 2012, Ford Global Technologies, LLC Page 5 of 6 3.6 RESISTANCE PROPERTIES 3.6.1 Chip Resistance (FLTM BI 007-01) Prepare panels according to para 3.3.1 using current
27、 approved production primer for comparison, and ESB-M50J100 quality white color coat. Chipping shall be no greater for the test material than for approved current production primer and shall not exceed Fig 3. 3.6.2 Salt Spray, min 240 h (FLTM BI 103-01) No failure in the specified times by blisterin
28、g, rusting, or more than 1/8 in (3 mm) rust or blister creepage from a line scribed to bare metal on panels prepared according to para 3.3.2. 3.6.3 Bimetallic Salt Spray Corrosion (FLTM BI 103-01) No more than 1/8 in (3 mm) rust, blister creepage, or loss of adhesion after (1) 240 h at the scribe, a
29、nd (2) 750 h on the CRLC steel adjacent to the joint (disregarding scribed area). Prepare panels according to FLTM BI 103-02, Method “C“ with the following exceptions: The test panels shall consist of two 4 x 12 in (100 x 300 mm) clean phosphated panels (1 polished CRLC steel and 1 minimum spangle t
30、emper rolled galvanized steel - ESB-M1A62 type) as described in FLTM BI 103-02, flanged and spot welded together along the 12 in (300 mm) dimensions to form a coach joint. The inside radius shall be 1/8 in (3 mm) and the flange shall be 5/8 in (16 mm) wide with spot welds spaced every 2 in (50 mm).
31、The composite panel shall be zinc phosphate coated per ESB-M3P1, primed with 0.0010 +/- 0.0001 in (25 +/- 2 m) of ESB-M6J119 or ESB-M6J120 baked at 8 min at 135 C metal temperature, (omit sanding), topcoat with 0.0018 +/- 0.0005 in (46 +/- 13 m)ESB-M50J100 white enamel and baked 10 min at 129 C meta
32、l temperature. The painted panel shall then be scribed to base metal across the two substrates, and aged 72 h at 23 +/- 2 C prior to testing. 3.6.4 Water Immersion, min 500 h (FLTM BI 104-01) Panels are prepared according to para 3.3.1. No blistering or loss of gloss (sanding thru to bare steel is n
33、ot required for routine Quality Control Testing). 3.6.5 Condensing Humidity, min 240 h (FLTM BI 104-02, Procedure “A“) Panels are prepared according to para 3.3.1. No blistering or loss of gloss. ENGINEERING MATERIAL SPECIFICATION ESB-M6J119-B ESB-M6J120-B Copyright 2012, Ford Global Technologies, L
34、LC Page 6 of 6 3.6.6 Florida Exposure Panels prepared as in para 3.3.1, scribed with an “X“ to bare metal and exposed in the Miami, Florida area, at 5 facing south for 12 months shall show no blistering, peeling or visible rusting along the scribe marks more than 1/8 in (3 mm) total width. 3.7 PRODU
35、CTION TRIAL Final approval of all functional and sanding characteristics shall be made by the using Manufacturing Division of the material or painted part on the basis of a shop trial under production conditions (Paint Test Report - Functional - Form 371). 5. GENERAL INFORMATION The information give
36、n below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 FLASH POINT, min 15 C (ASTM D 92) 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.
