CO 5 HYDRO CURE II E

CO 5 HYDRO CURE II E is a cobalt drying agent specifically designed for water-based systems. It presents as a blue liquid with a Co metal content of 4.90 – 5.10% (M001), non-volatile content of 40.00 – 55.00% (ASTM D 1644), viscosity of A-5 to A (ASTM D 2373), and weight per gallon of 7.35 – 7.84 lb/gal (25°C) (ASTM D 1963). This agent is known for its ability to accelerate the surface drying of coatings, varnishes, stains, and inks. It contributes to uniform through-drying of the paint film when used in conjunction with a secondary drier like zirconium, barium, or zinc. It catalyzes redox reactions, causing the dissociation of hydroperoxides and a change in valence from Co2+ to Co3+, leading to rapid surface drying. It finds application in oxidatively cured water-based systems, including architectural paints, industrial coatings, stains, oil-based inks, and artists’ colors.