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

BASF 4040 Dispersant

BASF Disperbyk-4040 is a high-performance polymeric dispersant from BASF’s DISPERBYK® series, designed for solvent-borne and radiation-curable coatings. It stabilizes pigments via steric hindrance, delivering excellent color strength, gloss, and storage stability while reducing viscosity and improving dispersion efficiency across diverse pigment systems.
  • basf 4040 dispersant_24836c97
  • basf 4040 dispersant_24836c97

Features Of BASF 4040 Dispersant

  1. High-efficiency pigment stabilization for improved color strength and gloss retention.

  2. Excellent wetting performance on inorganic and organic pigments, including carbon black and titanium dioxide.

  3. Low foaming profile suitable for high-shear dispersion processes and air-sensitive formulations.

  4. Good compatibility with acrylic, polyester, and alkyd resin systems.

  5. Non-ionic architecture ensures broad pH stability and reduced sensitivity to electrolytes.

Typical Applications Of BASF 4040 Dispersant

  1. Automotive OEM and refinish coatings.

  2. Industrial maintenance and coil coatings.

  3. Architectural waterborne and solventborne paints.

  4. Inkjet ink formulations requiring long-term colloidal stability.

  5. Plastic color concentrates for polyolefin and PVC processing.

Specifications Of BASF 4040 Dispersant

Chemical TypeNon-ionic polymeric dispersant
Product FormLiquid concentrate
AppearancePale yellow to amber viscous liquid
Primary ApplicationsPigment dispersion in coatings, inks, and plastics
Key FeaturesWetting, stabilization, low foam, resin-compatible
BenefitsReduced grinding time, enhanced color development, improved storage stability
pH (1% aqueous solution)6.0 – 8.0
Flash Point (COC) > 110 °C


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