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

Evonik Surfynol DF-178 Surfactant

Evonik Surfynol DF-178 is a high-performance defoaming surfactant from the Surfynol series, delivering rapid air release and superior foam control in demanding aqueous systems like coatings, inks, and cleaners—without compromising substrate wetting or gloss.
  • evonik surfynol df 178 surfactant_ba85d040
  • evonik surfynol df 178 surfactant_ba85d040

Features Of Evonik Surfynol DF-178 Surfactant

  1. Highly effective defoamer and foam suppressant for aqueous systems.

  2. Low surface tension reduction with excellent compatibility in water-based formulations.

  3. Stable performance across a broad pH range (pH 4–12) and elevated temperatures.

  4. Non-ionic, silicone-free chemistry ensuring low volatility and minimal odor.

  5. Readily dispersible in water without requiring high-shear mixing or pre-dilution.

Typical Applications Of Evonik Surfynol DF-178 Surfactant

  1. Water-based architectural coatings and industrial paints.

  2. Industrial cleaning formulations including CIP and metalworking fluids.

  3. Printing inks—especially aqueous flexographic and gravure inks.

  4. Agrochemical adjuvants for improved spray droplet control and tank-mix stability.

  5. Construction chemicals such as cement admixtures and grouts.

Specifications Of Evonik Surfynol DF-178 Surfactant

Chemical TypeAcetylenic diol-based non-ionic surfactant
Product FormLiquid concentrate
AppearanceClear, pale yellow to amber liquid
Active ContentApprox. 100% (neat)
pH (1% aqueous solution)5.0–7.0
Density (20 °C)0.96–0.98 g/cm³
SolubilityMiscible with water and common organic solvents (e.g., alcohols, glycol ethers)
Storage StabilityStable for ≥24 months at 5–30 °C in sealed original container


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