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

BASF Efka 5066 Dispersant

BASF Efka 5066 Dispersant is a high-performance polymeric dispersant from BASF’s Efka® additive series. Designed for pigment stabilization in solvent-based and high-solids coatings, it delivers excellent gloss, color strength, and viscosity control. Its steric hindrance mechanism ensures long-term dispersion stability and reduced flocculation. Widely used in automotive refinish, industrial, and coil coatings. Compatible with organic pigments and carbon black. Offers low foaming and good substrate wetting.
  • basf efka 5066 dispersant_01fc1d7b
  • basf efka 5066 dispersant_01fc1d7b

Features Of BASF Efka 5066 Dispersant

  1. High-efficiency wetting and stabilization of organic and inorganic pigments in solvent-borne systems.

  2. Excellent compatibility with alkyd, polyester, and acrylic resins commonly used in industrial coatings.

  3. Reduces viscosity and improves pigment loading without compromising gloss or color strength.

  4. Enables stable long-term dispersion with minimal settling and reduced flocculation risk.

  5. Low foaming character supports efficient high-shear dispersion processes and air-release during application.

Typical Applications Of BASF Efka 5066 Dispersant

  1. Automotive OEM and refinish coatings.

  2. Industrial maintenance and coil coatings.

  3. General-purpose solvent-based decorative paints.

  4. Pigmented wood finishes and varnishes.

  5. Printing inks for packaging and industrial substrates.

Specifications Of BASF Efka 5066 Dispersant

Chemical TypeModified polyacrylate copolymer
Product FormLiquid
AppearancePale yellow to amber clear liquid
Solvent ContentAromatic hydrocarbon (xylene-free formulation)
Specific Gravity (20 °C)Approx. 0.94–0.97 g/cm³
Viscosity (25 °C, mPa·s)150–350 (Brookfield RV, spindle #3, 20 rpm)
Flash Point (PMCC, °C)Approx. 65–75
Primary ApplicationsSolvent-borne industrial coatings, automotive coatings, wood finishes


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