German technical background VOK-350 leveling agent It is used as an anti-crater and leveling additive for a variety of solventborne and solvent-free coatings replaces BYK-350

German technical background Vocker VOK?-FL 350 leveling agent

VOK?-FL 350 is a polyacrylate-based surface additive for solventborne and solvent-free coatings of medium polarity, which is good for improving leveling and increasing gloss. 

Product information 

Chemical composition 

Polyacrylate 

Typical physicochemical data 

The data presented on this data page is typical and not a product specification. 

Density (60 °C): 1.02 g/ml 

Non-volatile (10 min., 150 °C): 100% 

Application areas 

Coatings industry 

Product features and benefits 

This additive is used as an anti-crater and leveling additive for a wide range of solventborne and solvent-free coatings. Increases gloss and creates a long-wave effect. Slightly reduces surface tension without affecting recoating and interlayer adhesion. VOK?-FL 350 is most effective in the medium polarity range. The additive is thermally stable. 

Recommended dosage 

0.05-0.5% Additive dosage (form purchased) is based on total formulation. 

The above recommended dosage is for reference, and the appropriate dosage needs to be determined through a series of tests. 

Addition method and processing guidance 

The additive can be added at any stage of the production process, including post-adding.