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

BASF Efka FA 4644 Dispersant

BASF Efka FA 4644 Dispersant is a high-performance polymeric dispersant from BASF’s Efka series, designed for pigment stabilization in solvent-borne and high-solids coatings. It offers excellent wetting, viscosity control, and long-term storage stability while minimizing flocculation and color strength loss across diverse pigment systems.
  • basf efka fa 4644 dispersant_e7091268
  • basf efka fa 4644 dispersant_e7091268

Features Of BASF Efka FA 4644 Dispersant

  1. High-efficiency pigment wetting and stabilization in solvent-borne and high-solids coatings.

  2. Excellent compatibility with acrylic, polyester, and alkyd resin systems.

  3. Reduces viscosity and improves grind efficiency during pigment dispersion.

  4. Enhances color strength, gloss, and long-term storage stability of dispersions.

  5. Low foaming character supports efficient high-speed manufacturing processes.

Typical Applications Of BASF Efka FA 4644 Dispersant

  1. Automotive OEM and refinish coatings.

  2. Industrial maintenance and coil coatings.

  3. General-purpose solvent-borne decorative paints.

  4. High-performance wood and plastic coatings.

  5. Pigmented inks for industrial printing applications.

Specifications Of BASF Efka FA 4644 Dispersant

Chemical TypeModified polyacrylate copolymer
Product FormLiquid
AppearanceClear to slightly hazy, pale yellow liquid
Primary ApplicationsSolvent-borne and high-solids coatings, inks
Key FeaturesPigment wetting, stabilization, viscosity control
BenefitsImproved color development, gloss, and dispersion stability
SolubilityMiscible with common organic solvents (e.g., xylene, butyl acetate)
Storage StabilityStable for ≥12 months at 5–30 °C in sealed container


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