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

Evonik Surfynol FS-85 Fluorosurfactant

Evonik Surfynol FS-85 is a high-performance fluorosurfactant from the Surfynol series, delivering exceptional wetting, leveling, and foam control in demanding industrial coatings, inks, and adhesives. Its low surface tension and rapid substrate spreading ensure uniform coverage even on low-energy surfaces, while maintaining chemical stability and compatibility with aqueous and solvent-based systems.
  • evonik surfynol fs 85 fluorosurfactant_0e365d98
  • evonik surfynol fs 85 fluorosurfactant_0e365d98

Features Of Evonik Surfynol FS-85 Fluorosurfactant

  1. Ultra-low surface tension (<15 mN/m at 0.1 wt%) for exceptional wetting and leveling performance.

  2. Highly stable in acidic, basic, and oxidizing environments typical of industrial coating and cleaning formulations.

  3. Excellent compatibility with water-based systems, including acrylics, polyurethanes, and epoxy dispersions.

  4. Low foaming characteristics—ideal for high-shear processes and applications requiring minimal foam generation.

  5. Non-ionic architecture ensures no sensitivity to hard water or multivalent ions.

Typical Applications Of Evonik Surfynol FS-85 Fluorosurfactant

  1. Waterborne industrial coatings for metal and plastic substrates.

  2. Electrodeposition (e-coat) primers requiring uniform film formation and edge coverage.

  3. High-performance inkjet inks for wide-format and textile printing.

  4. Advanced cleaning formulations for semiconductor wafer rinsing and precision optics.

  5. Functional additives in lithium-ion battery electrode slurries to improve slurry homogeneity and coating uniformity.

Specifications Of Evonik Surfynol FS-85 Fluorosurfactant

Chemical TypeFluorinated non-ionic surfactant (perfluoroalkyl ethoxylate)
Product FormLiquid concentrate
AppearanceClear, colorless to pale yellow liquid
Active Content~95% (w/w)
pH (1% aqueous solution)5.5–7.0
SolubilityMiscible with water and common organic solvents (e.g., alcohols, glycol ethers)
Storage StabilityStable for ≥24 months at 5–30 °C in original sealed container
Primary ApplicationsWetting agent, leveling aid, and substrate润湿助剂 in high-performance coatings, inks, and functional fluids


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