general | 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. | |
chemical nature | modified polyacrylate |
Properties
physical form | clear, slightly yellowish liquid | |
storage | Efka® PA 4401 should be kept in a cool and dry place. | |
typical properties (no supply specification) | solvent | n-butyl acetate/2-butanol |
density at 20 °C (68 °F) | ~ 0.95 g/cm3 | |
active ingredients | ~ 50 % | |
flash point | 24 °C (75°F) | |
amine value | ~ 51 mg KOH/g | |
color | ≤ 5 |
Application
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.
We cooperate with multiple well-known domestic suppliers
Our products have passed various industry certifications