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

Evonik BREAK-THRU S240 Dispersant

Evonik BREAK-THRU® S240 is a high-performance silicone-based dispersant from Evonik’s BREAK-THRU® additive series. It enhances pigment wetting and stabilization in waterborne coatings, inks, and construction chemicals. Designed for low-foam, high-efficiency dispersion, it improves gloss, color strength, and storage stability without compromising viscosity control or substrate compatibility.
  • evonik break thru s240 dispersant_7ff9716b
  • evonik break thru s240 dispersant_7ff9716b

Features Of Evonik BREAK-THRU S240 Dispersant

  1. High-efficiency wetting and deagglomeration of inorganic pigments and fillers.

  2. Excellent stabilization of pigment dispersions in water-based systems without compromising gloss or color strength.

  3. Low foaming profile, enabling compatibility with high-shear dispersion processes and air-sensitive formulations.

  4. Good compatibility with a broad range of acrylic, styrene-acrylic, and PUD binders.

  5. Non-ionic surfactant structure ensures low sensitivity to electrolytes and pH variations.

Typical Applications Of Evonik BREAK-THRU S240 Dispersant

  1. Architectural waterborne paints and coatings.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Water-based wood coatings including stains and clear finishes.

  4. Printing inks for flexible packaging and paper applications.

  5. Construction chemicals such as tile adhesives and cementitious renders.

Specifications Of Evonik BREAK-THRU S240 Dispersant

Chemical TypeNon-ionic polyether-modified siloxane
Product FormLiquid concentrate
AppearanceClear, slightly viscous, pale yellow liquid
pH (1% aqueous solution)6.0 – 7.5
Density (20 °C)Approx. 1.02 g/cm³
Solubility in WaterCompletely miscible
VOC Content< 50 g/L
Primary ApplicationsPigment dispersion, wetting agent, stabilizer in aqueous systems


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