German Technical Background VOK-354 Leveling Agent For Solventborne and Solvent-free Coatings to Improve Leveling and Gloss Replaces BYK-354

German technical background  VOK®-FL 354 leveling agent

VOK®-FL 354 is an acrylic surface additive for solventborne and solvent-free coatings, UV-curable printing inks and varnishes for overprint and room-temperature curing plastics, as well as a standard leveling additive for deaeration.

Product information 

Chemical composition 

Polyacrylate solution 

Typical physicochemical data 

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

Density (20 °C): 0.95 g/ml 

Non-volatile (20 min, 150 °C): 51% 

Solvent: Solvent oil/diisobutyl ketone 9/1 

Flash point: 45 °C 

Application areas 

Coatings and printing inks 

Features and benefits 

The additive improves leveling and gloss, creates a long-wave effect and prevents cratering. The acrylate additive only slightly reduces the surface tension without affecting recoating and interlaminar adhesion, and is thermally stable. 

Recommended Use 

The additive is recommended for solventborne and solvent-free coating systems, UV-curable printing inks and overprint varnishes. 

Recommended dosage 

0.1-1.5% Additive dosage (form of supply) 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 production, including post-adding. For better deaeration performance, it is recommended to add it during the grinding stage.

Room temperature curing plastic 

Features and benefits 

As an anti-crater and leveling aid, the additive can enhance the gloss; At the same time, due to its high molecular weight and non-polar structure, it reduces surface tension only slightly. The additive is thermally stable. 

Recommended Use 

The additive is recommended for all room temperature curing systems such as unsaturated polyesters and epoxy resins. 

Recommended dosage 

0.1-1.5% Additive dosage (form of supply) 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 production, including post-adding. For better deaeration performance, it is recommended to add it during the grinding stage.