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

Evonik P121 Dispersant

Evonik DISPERBYK® P121 is a high-performance polymeric dispersant from the DISPERBYK® series, designed for solvent-based coatings and inks. It stabilizes pigments via steric hindrance, delivering excellent gloss, color strength, and viscosity control. Compatible with organic pigments and carbon black, it ensures long-term dispersion stability and reduces grinding time. Widely used in automotive refinish and industrial coatings.
  • evonik p121 dispersant_0ceeda7a
  • evonik p121 dispersant_0ceeda7a

Features Of Evonik P121 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 profile, enabling stable processing in high-shear and recirculation applications.

  4. Good compatibility with a broad range of water-based resins including acrylics, polyurethanes, and vinyl acetate copolymers.

  5. pH-stable across 6.0–9.5, supporting formulation flexibility without viscosity drift or precipitation.

Typical Applications Of Evonik P121 Dispersant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings for metal and concrete substrates.

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

  4. Construction additives in cementitious tile adhesives and grouts.

  5. Functional coatings requiring high color strength and gloss retention.

Specifications Of Evonik P121 Dispersant

Chemical TypeModified polyacrylate polymer (anionic, non-ionic hybrid)
Product FormAqueous solution (~35% active content)
AppearanceClear to slightly opalescent, low-viscosity liquid
pH (1% aqueous solution)7.0–8.0
Density (20 °C)1.04–1.07 g/cm³
SolubilityCompletely miscible with water; compatible with common co-solvents (e.g., glycol ethers)
Primary ApplicationsPigment dispersion in waterborne coatings, inks, and construction chemicals
Key FeaturesWetting, deagglomeration, long-term colloidal stability


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