Non-toxic Corrosion Protection Conversion Coats (UD268)

    • Chrome Free
    • Non-toxic
    • Pigments available in many colors
    • Works well in multiple applications
    • Protection of metal and other surfaces from corrosion equal to chrome
    • Any application where chrome cannot be used to protect metals
    • Easy application and use

    The invention is an aqueous conversion coating composition for treating steel substrates to provide a conversion coating that protects the steel from corrosion. The conversion coating composition comprises: a) a source of aluminum ions; b) hexafluorozirconic acid or its salts; c) at least one pH adjuster; and d) optionally, a surfactant. The conversion coating composition provides a corrosion resistant coating on the metal surface and improves the adhesion of subsequently applied layers.

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    Andrew Phelps
    Jeff Sturgill
    Joseph Swartzbaugh

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