German Technical Background VOK-2090 Wetting Dispersant Suitable for Alkaline Carbon Black Replaces BYK-2090
German technical background VOK ®- Disper 2090 Wetting Dispersant
VOK ®- Disper 2090 is suitable for general pigment pastes, especially those for architectural coatings.
The additive is especially suitable for alkaline carbon black, while VOK is recommended for other pigments ®- Disper 2091。
The auxiliary agent and VOK ®- When Disper 2091 is used together, it can stabilize the pigments with high requirements, reduce the viscosity of the system and increase the tinting power of the pigment slurry.
Chemical composition: star shaped structure with acid pigment affinity group modified polyalkoxide
Solvent: water
Auxiliary dosage: 40 - 60% alkaline carbon black
And VOK ®- Disper 2091 occupies 5 - 20% of the pigment in the machine when used together
Typical physicochemical data: acid value: 65 mg KOH/g
Non volatile matter: 87%
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