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Article: CONSULTANTS' CORNER.
- Article from:
- Paint & Coatings Industry
- Article date:
- March 1, 2001
CopyrightCOPYRIGHT 2001 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Consultants' Corner draws on the collective knowledge of several experts in the coatings industry. Please direct your questions to PCI's Online bulletin board at www.pcimag.com, or fax to Teresa Shaw at 248/244.6429.
How does zinc dust improve the corrosion resistance of organic coatings?
To inhibit the atmospheric corrosion of steel, one must implement a way of interfering with the oxidation of metallic iron, a process that is both thermodynamically and kinetically favorable. Coatings pigmented with zinc dust effectively inhibit the corrosion of steel by altering the natural energy flow occurring during corrosion, and thus use a thermodynamic approach ...