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

BASF PA25 Dispersant

BASF PA25 Dispersant is a high-performance polymeric dispersant from BASF’s Disperbyk® series, designed for stable pigment deagglomeration in solvent-borne and high-solids coatings. It enhances color strength, gloss, and storage stability while reducing viscosity. Compatible with diverse resin systems, it delivers excellent wetting and long-term dispersion stability without compromising film properties.
  • basf pa25 dispersant_3d374fcb
  • basf pa25 dispersant_3d374fcb

Features Of BASF PA25 Dispersant

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

  2. Excellent wetting performance, reducing agglomeration during pigment dispersion and milling.

  3. pH-stable across broad range (pH 4–10), ensuring formulation robustness in diverse water-based media.

  4. Low foaming character, minimizing process interruptions and improving coating application quality.

  5. Compatible with common co-binders and rheology modifiers used in architectural and industrial coatings.

Typical Applications Of BASF PA25 Dispersant

  1. Architectural interior and exterior latex paints.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Water-based wood stains and clear finishes.

  4. Printing inks for packaging and commercial applications.

  5. Construction adhesives and cementitious tile grouts.

Specifications Of BASF PA25 Dispersant

Chemical TypeAnionic polymeric dispersant (modified polycarboxylate)
Product FormAqueous solution (~40% active content)
AppearancePale yellow to light amber, clear to slightly hazy liquid
pH (1% aqueous solution)6.5 – 8.0
Density (20 °C)1.08 – 1.12 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 60 rpm)150 – 400 mPa·s
SolubilityCompletely miscible with water; compatible with common glycols and low-VOC co-solvents
Primary ApplicationsAqueous pigment dispersion in coatings, inks, and construction chemicals


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