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

Evonik Surfynol 440 Nonionic Gemini Surfactant

Evonik Surfynol 440 is a nonionic gemini surfactant from the Surfynol series offering ultra-low surface tension high foam control and superior wetting in demanding industrial applications including coatings inks and cleaners. Its unique dimeric structure delivers exceptional efficiency stability and compatibility with electrolytes and other surfactants across wide pH and temperature ranges.
  • evonik surfynol 440 nonionic gemini surfactant_38ea4530
  • evonik surfynol 440 nonionic gemini surfactant_38ea4530

Features Of Evonik Surfynol 440 Nonionic Gemini Surfactant

  1. Exceptionally low surface tension — enables rapid substrate wetting and superior leveling in demanding formulations.

  2. High efficiency at low concentrations due to its gemini molecular architecture, offering significant dosage reduction.

  3. Excellent compatibility with anionic, nonionic, and cationic systems, supporting broad formulation flexibility.

  4. Outstanding foam control without compromising wetting or dispersing performance.

  5. Stable across wide pH range (pH 2–13) and tolerant to electrolytes and hard water.

Typical Applications Of Evonik Surfynol 440 Nonionic Gemini Surfactant

  1. Water-based industrial coatings and architectural paints for improved flow, leveling, and substrate wetting.

  2. Inkjet inks — enhances jetting reliability, droplet formation, and print quality on diverse substrates.

  3. Agrochemical adjuvants — boosts active ingredient spreading, retention, and foliar penetration.

  4. Electronic cleaning formulations — delivers residue-free surface cleaning and uniform drying behavior.

  5. Specialty cleaning and metalworking fluids — improves soil removal and aqueous phase stability.

Specifications Of Evonik Surfynol 440 Nonionic Gemini Surfactant

Chemical TypeNonionic gemini surfactant (acetylenic diol-based)
Product FormLiquid
AppearancePale yellow to amber clear liquid
Active Content (wt. %)~100% (neat)
SolubilityCompletely miscible with water and common organic solvents (e.g., alcohols, glycol ethers)
pH (1% aqueous solution)5.0–7.0
Flash Point (PMCC)Not applicable (non-flammable)
Storage StabilityStable ≥24 months at 5–30°C in sealed container


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