Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik DA 646 Dispersant

Evonik DA 646 Dispersant is a high-performance polymeric dispersant from Evonik’s TEGO® Dispers润系列, designed for pigment stabilization in solvent-based coatings and inks. It offers excellent wetting, reduced viscosity, and superior color strength with low foaming and good storage stability.
  • evonik da 646 dispersant_5ba7f48a
  • evonik da 646 dispersant_5ba7f48a

Features Of Evonik DA 646 Dispersant

  1. High-efficiency steric stabilization for inorganic pigments and fillers in water-based systems.

  2. Excellent wetting performance, reducing agglomeration and improving particle deagglomeration kinetics.

  3. Low foaming profile, supporting stable processing in high-shear dispersion equipment.

  4. Good compatibility with common acrylic, styrene-acrylic, and PUD binders.

  5. pH-stable across broad range (pH 5–10), ensuring formulation robustness under varying conditions.

Typical Applications Of Evonik DA 646 Dispersant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings (e.g., metal primers and topcoats).

  3. Water-based inks for packaging and decorative printing.

  4. Construction chemicals including cementitious tile adhesives and grouts.

  5. Specialty aqueous pigment concentrates (colorants).

Specifications Of Evonik DA 646 Dispersant

Chemical TypeModified polyacrylate copolymer
Product FormAqueous solution
AppearanceClear to slightly opalescent liquid
Solids Content35.0 ± 1.0 wt%
pH (10% aqueous solution)7.0 – 8.5
Density (20 °C)1.06 – 1.09 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #1, 60 rpm)50 – 200 mPa·s
Primary ApplicationsPigment & filler dispersion in waterborne coatings, inks, and construction chemicals


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