- Functions:Dispersant, Flow Promoter, Surfactant
- Physical Form:Liquid
- Synonyms:Castor Oil Ethoxylated, Polyoxyethylene Castor Oil
Dispex® Ultra FA 4437 is a color acceptance improver for aqueous coatings, functioning as a surface-active flow additive with good wetting properties on difficult-to-wet substrates. It effectively reduces color acceptance problems and prevents surface defects like craters, fisheyes, and pinholes. The product exhibits a strong affinity to pigment surfaces.