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    FORD ESA-M7C54-A2-2012 CORROSION PREVENTIVE COMPOUND - OEM TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD ESA-M7C54-A2-2012 CORROSION PREVENTIVE COMPOUND - OEM TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 04 12 N Status No usage or replacement N. Benipal, NA 2004 03 24 Revised Para 3.0 inserted; paras 3.1.5, 3.7 and 4 deleted 1985 02 06 CDP2-610779-C Released Controlled document at www.MATS Copyright 2012, Ford Global Technologies,

    2、 LLC Page 1 of 3 CORROSION PREVENTIVE COMPOUND - OEM ESA-M7C54-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a water-based corrosion preventive compound suitable for post underbody vehicle or individual component usage requiring minimal or no pretreatment. 2

    3、. APPLICATION This specification was released originally for a compound used to provide the underbody/chassis with a minimum of 10 cycles of Arizona Proving Ground corrosion testing. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform

    4、 to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 COMPOSITION 3.1.1 Color Black 3.1.2 Non-Volatile Solids, by weight, min 48% (FLTM BI 102-01, except waxes 120 h at 23 +/- 2 C) 3.1.3 Volatile Content Balance Shall be composed of 70% water minimum 3.1.4 Emissions 3

    5、.1.4.1 Volatile Organic Content 0.18 kg/L (VOC), max (ASTM D 3960) 3.2 PHYSICAL PROPERTIES 3.2.1 Weight per volume, min at 23 +/- 2 C 1.00-1.04 kg/L (ASTM D 1475) 3.2.2 Flash Point, min No Flash (ASTM D 56) ENGINEERING MATERIAL SPECIFICATION ESA-M7C54-A2 Copyright 2012, Ford Global Technologies, LLC

    6、 Page 2 of 3 3.2.3 Stability 3.2.3.1 Cold Cycle Stability, min 3 cycles (ASTM D 2243) 3.2.3.2 Gassing, min No gas (FLTM BI 102-03, 72 h) 3.2.3.3 Storage Stability Shall not jell, settle hard or have a viscosity change from the original in excess of 5 000 mPa.s when left undisturbed for 120 days at 2

    7、3 +/- 2 C. 3.3 PREPARATION OF TEST PANELS Test panels (CRLC, galvanized and current production Electrocoat) must be approved to ASTM D 609 Type I designation. 3.3.1 Application Procedure Spray the test compound to a wet film thickness of 0.25 +/- 0.025 mm using an airless spray pump (such as ARO Mod

    8、el #612-862) equipped with appropriate size orifice to produce a “flat“ (in one plane) spray pattern. 3.3.2 Dry Time (Dry to Handle), max 15 minutes (ASTM D 1640, Section 6.6) 3.3.3 Aging Panels shall be aged for 72 h at 23 +/- 2 C or 16 h at 43 +/- 2 C before running adhesion or resistance tests. 3

    9、.4 RESISTANCE PROPERTIES 3.4.1 Salt Spray Resistance, min 1 000 h (FLTM BI 103-01, CRLC and galvanized panels only) No corrosion or loss of material adhesion allowed beyond 2.0 mm from scribe. No overall red rust spots greater than 6.0 mm are allowed. 3.4.2 Abrasion Resistance, max 5% (SAE J 400, 0.

    10、5L of gravel at - 20 C) 3.4.3 Thermal Shock, removal from scribe, max 20 mm (FLTM BI 107-05, except: a) use 5% concentration of current Ford aftermarket car wash detergent for immersion cycle and b) steam nozzle 250 mm from panel) 3.4.4 Adhesion (FLTM BI 106-01, Part B), max Grade 1 ENGINEERING MATE

    11、RIAL SPECIFICATION ESA-M7C54-A2 Copyright 2012, Ford Global Technologies, LLC Page 3 of 3 3.4.5 Corrosion Protection, 10 cycles APG Must be equal to or better than the master corrosion color photographs on file with the Chassis Materials Engineering Section. This test may be waived by the affected p

    12、roduct engineering office. 3.5 RESISTANCE TO BURNING Prepare panels per para 3.3. After 4 h air drying at 23 +/- 2 C and 50 +/- 5% relative humidity, there shall be no rapid flame spread, no dripping of flaming material, or excessive smoke when subjected to the ignition sources listed below. Any fla

    13、me produced must be self-extinguishing within 30 s after removal of the ignition source. A) Arc weld 2 panels together (end to end) B) Cut panel across the short dimension with an acetylene torch. C) Cut panel across the short dimension with an abrasive cutting wheel. 3.6 CLEAN-UP Must be readily removable from painted surfaces, bright trim, interior trim, glass, vinyl roofs, tires, etc. using water or commercially available cleaners without damaging the substrate.


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