Calcium octoate is a chemical compound belonging to the class of metallic soaps, typically available as a low-viscosity liquid ranging from white to light yellow. It functions as an auxiliary drier in coating systems.

Calcium octoate is not miscible with organic solvents and oils on its own, but when used in combination with other driers, it significantly enhances overall performance. It is also an effective wetting agent and is commonly used before the grinding stage in paint production due to its strong wetting properties. When combined with other metallic soaps, it delivers improved results.

This product does not act as a primary drier by itself, but it helps improve filler dispersion and is available in different metal contents such as 4%, 5%, and 10%. A 10% calcium octoate solution contains 10% calcium octoate, the calcium salt of 2-ethylhexanoic acid. As a metal carboxylate, it is widely used in the coatings and paints industry. In paints, coatings, and printing inks, it functions as a calcium-based drier by accelerating the oxidation and polymerization of drying oils, thereby improving the drying process.

Due to its stability and effective performance at low dosage levels, calcium octoate is often considered a safer alternative to certain traditional driers based on heavy metals.

Calcium octoate 10% is widely used in paints, coatings, and ink formulations as an auxiliary drier in alkyd systems. When used alongside cobalt driers, it improves drying efficiency and enhances the final film properties. It also plays an important role in improving wetting behavior, ensuring uniform pigment dispersion, and enhancing the overall quality of the final coating.

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