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

Nouryon PE131 Dispersant

Nouryon PE131 Dispersant is a high-performance polymeric dispersant from the Nouryon Disperbyk® series, designed for pigment stabilization in water-based coatings and inks. It enhances color strength, gloss, and storage stability while reducing viscosity and improving grind efficiency. Compatible with organic pigments and titanium dioxide, it delivers excellent wetting and long-term dispersion stability without volatile organic compounds.
  • nouryon pe131 dispersant_68a83a8f
  • nouryon pe131 dispersant_68a83a8f

Features Of Nouryon PE131 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. Low foaming character, supporting stable processing in high-shear and recirculation applications.

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

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

Typical Applications Of Nouryon PE131 Dispersant

  1. Architectural interior and exterior waterborne paints.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Water-based wood stains and clear finishes.

  4. Printing inks for flexible packaging and paper applications.

  5. Construction chemicals including cementitious tile adhesives and grouts.

Specifications Of Nouryon PE131 Dispersant

Chemical TypeNon-ionic polymeric dispersant (modified polyacrylate)
Product FormAqueous solution (~35% active content)
AppearanceClear to slightly hazy, light yellow liquid
pH (10% aqueous solution)6.5–7.5
Density (20°C)1.04–1.08 g/cm³
Viscosity (25°C, Brookfield LVT, spindle #1, 60 rpm)50–200 mPa·s
SolubilityCompletely miscible with water; compatible with common glycols and co-solvents
Primary ApplicationsPigment & filler dispersion in waterborne coatings, inks, and construction materials


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