Efka® PA 4401 is a polymeric dispersant for stabilizing inorganic and organic pigments.
| Supplier | |
|---|---|
| Additive Classification | Dispersing agent |
| Industry | Automotive & Transportation, Building & Construction, Home Renovation, Paints & Coatings |
high-molecular-weight dispersing agent
Efka® PA 4401 is a polymeric dispersant for stabilizing inorganic and organic pigments. This results in:
• improved gloss and DOI
• reduced flooding
• high color strength
• broad compatibility from low- to high-polarity systems, including nitrocellulose.
modified polyacrylate
| Solvent | n-butyl acetate/2-butanol |
| density at 20 °C (68 °F) | ~ 0.95 g/cm³ |
| Density at 20 °C (68 °F) | ~ 50 % |
| flash point | 24 °C (75°F) |
| amine value | ~ 51 mg KOH/g |
| color | ≤ 5 |
Efka® PA 4401 is recommended for all kinds of high-quality solventbased industrial coatings including automotive topcoats as well as pigment concentrates.Care should be taken with Efka® PA 4401 because of its tendency to yellowing and gelling when combined with chlorinated polymers. It also has a tendency to yellowing when combined with solvent-free epoxies.
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