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

Evonik Surfynol 485 Nonionic Surfactant

Evonik Surfynol 485 is a high-performance nonionic surfactant from the Surfynol series, featuring rapid wetting, low foam, and excellent substrate compatibility. It’s widely used in coatings, inks, and cleaning formulations for superior leveling and surface defect reduction. Its unique acetylenic diol chemistry delivers exceptional dynamic surface tension control without compromising stability or biodegradability.
  • evonik surfynol 485 nonionic surfactant_18cde17b
  • evonik surfynol 485 nonionic surfactant_18cde17b

Features Of Evonik Surfynol 485 Nonionic Surfactant

  1. Ultra-low surface tension for superior substrate wetting and leveling in demanding formulations.

  2. Excellent compatibility with anionic, cationic, and other nonionic surfactants without precipitation or phase separation.

  3. High hydrolytic stability across a broad pH range (pH 3–12), ensuring long-term formulation integrity.

  4. Low foaming profile, ideal for high-shear industrial processes and applications requiring minimal foam generation.

  5. Effective at low use levels (typically 0.05–0.3 wt%), delivering cost-efficient performance without compromising quality.

Typical Applications Of Evonik Surfynol 485 Nonionic Surfactant

  1. Water-based industrial coatings and architectural paints.

  2. Printing inks, especially flexographic and gravure inks for improved ink transfer and gloss uniformity.

  3. Agrochemical adjuvants for enhanced foliar spray coverage and active ingredient uptake.

  4. Electronic cleaning solutions and semiconductor wafer rinse formulations.

  5. Specialty cleaning agents for precision metal and optical surface cleaning.

Specifications Of Evonik Surfynol 485 Nonionic Surfactant

Chemical TypeAcetylenic diol ethoxylate (nonionic)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Active Content (approx.)100% (neat)
pH (1% aqueous solution)5.0–7.0
Density (20 °C)0.96–0.98 g/cm³
SolubilityCompletely miscible with water and common organic solvents (e.g., alcohols, glycol ethers)
Key FeaturesWetting, leveling, defoaming, compatibility, hydrolytic stability


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