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    FORD ESA-M64J24-A-2015 PAINT WATERBORNE WHEEL PRIMER ACRYLIC ENAMEL CATHODIC ELECTROCOAT TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD ESA-M64J24-A-2015 PAINT WATERBORNE WHEEL PRIMER ACRYLIC ENAMEL CATHODIC ELECTROCOAT TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Revisions 2015 05 06 N Status No usage or replacement G. Weber, NA 1987 06 30 CDR2-171100-C9 Released 3948-a Page 1 of 4 PAINT, WATERBORNE WHEEL PRIMER, ACRYLIC ESA-M64J24-A ENAMEL, CATHODIC ELECTROCOAT NOT TO BE

    2、 USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a heat curing, water based cathodic electrocoat enamel and associated make-up feed components. 2. APPLICATION This material was released originally for use as a primer or final coat on steel wheels. . REQUIREMENTS 3.1 COMPOS

    3、ITION 3.1.1 Non-volatile (FLTM BI 2-1) 3.1.1.1 Charging Material, min 53.0 Wt. % 3.1.1.2 Feed Material 3.1.1.2.1 Resin, min 60.0 Wt. % 3.1.1.2.2 Pigment, min 34.0 Wt. % 3.2 INFRARED SPECTROPHOTOMETRY (IR), EMISSION SPECTROSCOPY (ES), AND THERMOGRAVIMETRIC ANALYSIS (TGA) Ford Motor Company, at its op

    4、tion, may conduct IR, ES, and TGA of material/parts supplied to this specification. The spectrum established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce spectra that correspond to the referenc

    5、e standard when tested under the same conditions as those specified on the master spectra. Prepare the IR sample by scraping the cured paint from a test panel and mixing with infrared quality potassium bromide. Pulverize the sample with a mortar and pestle or a mechanical mixer to a homogeneous powd

    6、er and press into a pellet with a hydraulic press at 11.7 MPa. Place the pellet in the infrared beam and scan. ENGINEERING MATERIAL SPECIFICATION ESA-M64J24-A Page 2 of 4 3.3 WEIGHT PER VOLUME AT 22 C (FLTM BI 2-1) 3.3.1 Charging Material, kg/L 1.05 - 1.09 3.3.1.1 Resin 1.01 - 1.05 3.3.1.2 Pigment 1

    7、.14 - 1.18 3.4 STABILITY No more than 5% increase in viscosity after 72 h beyond initial viscosity of materials reduced to 10 - 20% solids. 3.5 THROWING POWER, min 100.0 mm (FLTM BI 20-2, Method C) 3.6 PANEL PREPARATION (FLTM BI 20-1) All panels must be coated with zinc phosphate. All panels shall b

    8、e conditioned for 72 h at 2 +/- 3 C or 16 h at 43 +/- 1 C prior to testing. 3.7 FILM CHARACTERISTICS 3.7.1 Thickness, mm 0.019 - 0.02 (FLTM BI 17-1) 3.7.2 Salt Spray Resistance, min 360 h (FLTM BI 3-1) No more than 3 mm rust or blister creepage from a line scribed to bare metal. 3.7.3 Gloss, min 50

    9、(FLTM BI 10-1, 60) 3.7.4 Color Black 3.7.5 Water Immersion Resistance, min 240 h (FLTM BI 4-1) No failure by blistering, peeling or loss of gloss. 3.7.6 Accelerated Weathering, min 400 h (FLTM BO 1-1) No more than a 20% loss of gloss after washing panel. ENGINEERING MATERIAL SPECIFICATION ESA-M64J24

    10、-A Page 3 of 4 3.7.7 Florida Exposure After 12 months exposure at 45 facing south in the Miami, Florida area, there shall be no blistering, peeling, or visible rusting along the scribe line, than 3.0 mm total width. Panels shall be scribed with an “X“ to the bare metal prior to exposure. Florida exp

    11、osure shall be conducted only for initial certification. 3.7.8 Baking The applied enamel film requires curing by baking a minimum of 20 minutes at 190 C. 3.7.9 Adhesion (to base metal) No flaking or chipping 3.8 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent

    12、 in all characteristics to the material upon which approval was originally granted. Prior to making any change in the properties, composition, construction, color, processing or labeling of the material originally approved under this specification, whether or not such changes affect the materials ab

    13、ility to meet the specification requirements, the Supplier shall notify Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to b

    14、e submitted with the request. Substance restrictions imposed by law, regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WSS-M99P9999-A1, unless a different suffix (e.g., A2 or A3) is specified on the engineering

    15、document for the application. 4. APPROVAL OF MATERIALS Materials defined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design

    16、and Materials Engineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity its own laboratory report to the specification (test results, not nominal values), the material designation and code number, and test specimens for Ford evaluation. Upon approva

    17、l, the material will be added to the Engineering Material Approved Source List. ENGINEERING MATERIAL SPECIFICATION ESA-M64J24-A Page 4 of 4 5. GENERAL INFORMATION The information given below is provided for assistance and clarification and does not represent requirements to these specifications. 5.1

    18、 INTERCOAT ADHESION Panels painted in accordance with para 3.6 and top sprayed with either ESB-M50J100/M32J101 (0.04 - 0.05 mm) should display good adhesion between coats and no flaking of second coat from first per FLTM BI 6-2. 5.2 FLASH POINT (ASTM D 56) 5.2.1 Charging Material, min 49.6 C 5.2.2 Feed Material, min 5.2.2.1 Resin 49.6 C 5.2.2.2 Pigment 100 C


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