6% Cobalt Hex-Cem® by Borchers (Milliken) is a cobalt-based rapid surface drier designed for oxidatively cured solvent-based systems. It catalyzes redox reactions that lead to the dissociation of hydroperoxides, involving a change in valence from Co²⁺ to Co³⁺.
- It ensures consistent through-drying of the paint film when applied alongside a secondary drier such as zirconium, barium, or zinc.
- 6% Cobalt Hex-Cem® is widely used in applications such as architectural paints, industrial coatings, stains, oil-based inks, and artist colors.
- The typical dosage level of cobalt is between 0.03-0.08% in conventional alkyd formulations.
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6% Cobalt Hex-Cem® properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Cobalt Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Non-volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Gardner | 0.0 Visible After Login | Visible After Login | Visible After Login |