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ASM Handbook

Protective Organic Coatings

Edited by
Kenneth B. Tator
Kenneth B. Tator
KTA-Tator, Inc.
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ASM International
Volume
5B
ISBN electronic:
978-1-62708-172-6
Publication date:
2015
Book Chapter

Zinc-Rich Coatings

By
Kenneth B. Tator
Kenneth B. Tator
KTA-Tator, Inc.
Search for other works by this author on:
Published:
2015
Page range:
213 - 220
Publication history
December 26, 2014

Abstract

The use of zinc in corrosion-protective coatings is due to its higher galvanic activity relative to that of steel. Pure zinc dust provides the best sacrificial protection to steel in a galvanic couple. Zinc-rich coatings can be subcategorized according to the type of binder material used, namely, inorganic and organic zinc-rich coatings. Common inorganic binders such as post-cured water-based alkali metal silicates, self-cured water-based alkali metal silicates, and self-cured solvent-based alkyl silicates, are reviewed. The article also compares inorganic and organic zinc-rich coatings, and discusses the concerns regarding zinc-rich coatings.

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Kenneth B. Tator, 2015. "Zinc-Rich Coatings", Protective Organic Coatings, Kenneth B. Tator

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