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

BASF Sokalan PA 40 Surfactant

BASF Sokalan PA 40 is a polyacrylate-based anionic dispersant surfactant from BASF’s Sokalan polymer series, designed for high-efficiency pigment stabilization in waterborne coatings and ink systems. It offers excellent rheology control, low foam, and robust compatibility with diverse binders and electrolytes.
  • basf sokalan pa 40 surfactant_9d6eac3f
  • basf sokalan pa 40 surfactant_9d6eac3f

Features Of BASF Sokalan PA 40 Surfactant

  1. Highly effective polyacrylate-based dispersant for inorganic pigments and fillers.

  2. Excellent stabilization of aqueous pigment dispersions across broad pH ranges (pH 4–10).

  3. Low foaming profile, suitable for high-shear industrial processing and automated coating lines.

  4. Enables improved color strength, gloss, and storage stability in waterborne systems.

  5. Compatible with a wide range of binders including acrylics, PUDs, and styrene-acrylic emulsions.

Typical Applications Of BASF Sokalan PA 40 Surfactant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings and coil coatings.

  3. Waterborne printing inks for packaging and commercial printing.

  4. Construction chemicals including tile adhesives and cementitious grouts.

  5. Specialty dispersions for functional additives and nanomaterials.

Specifications Of BASF Sokalan PA 40 Surfactant

Chemical TypePolyacrylic acid sodium salt (anionic polyelectrolyte)
Product FormAqueous solution (~40% active content)
AppearanceClear to slightly opalescent, low-viscosity liquid
pH (10% aqueous solution)8.5 – 9.5
Density (20 °C)1.08 – 1.12 g/cm³
SolubilityCompletely miscible with water; limited compatibility with most organic solvents
Primary ApplicationsPigment dispersion stabilization in waterborne systems
Key FeaturesDispersancy, rheology control, freeze-thaw stability enhancement


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