German technical background VOK-381 leveling agent It can improve the leveling of water-based coatings and adhesives replaces BYK-381

German technical background  VOK-381 leveling agent

VOK-381 acrylic copolymer surface additive to improve leveling of waterborne coatings and adhesives. and improved leveling and substrate wetting of water- and radiation-curing printing inks and varnishes. 

Product information 

Chemical composition 

Ionic polyacrylate solution. 

Typical physicochemical data 

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

Density (20 °C): 1.03 g/ml 

Non-volatile: 52% 

Solvent: Dipropylene glycol monomethyl ether 

Flash point: 75 °C 

Application areas 

Coatings and adhesives 

Features and benefits 

The additive improves leveling and prevents surface defects such as craters and needle eyes. Suitable for all water-based coatings and adhesives. 

Recommended dosage

0.1-1% additive dosage (purchased form) 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 

Can be added at any stage, including later.

Printing inks and varnishes 

Features and benefits 

The additive improves leveling, improves substrate wetting and prevents surface defects such as craters and needle eyes.

Recommended for

Water-based and radiation-curable printing inks and vars. 

Recommended dosage 

0.1-1% additive dosage (purchased form) 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 

Can be added at any stage, including later.