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

BASF Sokalan PA 20 Surfactant

BASF Sokalan PA 20 is a polyacrylate-based anionic dispersant surfactant from BASF’s Sokalan polymer series, designed for high-efficiency pigment stabilization in waterborne coatings and inks. It offers excellent rheology control, calcium tolerance, and low-foaming performance while enhancing gloss and color strength.
  • basf sokalan pa 20 surfactant_fc1e0c70
  • basf sokalan pa 20 surfactant_fc1e0c70

Features Of BASF Sokalan PA 20 Surfactant

  1. High-performance polyacrylate-based associative thickener with excellent rheology control.

  2. Delivers outstanding viscosity stability across a broad pH range (pH 3–12).

  3. Provides superior shear-thinning behavior and improved sag resistance in coatings and construction mortars.

  4. Enables low-foaming performance, ideal for high-shear industrial processes.

  5. Offers good compatibility with common anionic, nonionic, and zwitterionic surfactants and co-binders.

Typical Applications Of BASF Sokalan PA 20 Surfactant

  1. Architectural waterborne paints and interior/exterior wall coatings.

  2. Cementitious tile adhesives and self-leveling underlayments.

  3. Exterior insulation finishing systems (EIFS) base and finish coats.

  4. Water-based grouts and repair mortars.

  5. Industrial maintenance coatings requiring robust rheology and open-time control.

Specifications Of BASF Sokalan PA 20 Surfactant

Chemical TypePolyacrylic acid derivative (associative thickener)
Product FormAqueous solution (~20% active content)
AppearanceClear to slightly opalescent, low-viscosity liquid
pH (1% aqueous solution)3.5 – 4.5
Density (20 °C)~1.02 – 1.04 g/cm³
SolubilityCompletely miscible with water; compatible with common glycols and co-solvents
Storage StabilityStable for ≥12 months at 5–30 °C in sealed container
Primary FunctionRheology modifier / associative thickener


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