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

Evonik Surfynol OP-340 Surfactant

Evonik Surfynol OP-340 is a high-performance acetylenic diol surfactant from the Surfynol series, delivering rapid wetting, superior foam control, and excellent substrate compatibility in coatings, inks, and cleaning formulations. It enhances flow, leveling, and pigment dispersion while maintaining low surface tension and minimal foaming.
  • evonik surfynol op 340 surfactant_a7bde070
  • evonik surfynol op 340 surfactant_a7bde070

Features Of Evonik Surfynol OP-340 Surfactant

  1. High-efficiency dynamic surface tension reduction for rapid substrate wetting.

  2. Excellent foam control without compromising leveling or gloss retention.

  3. Low VOC formulation compatible with water-based and solvent-borne systems.

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

  5. Non-ionic, APEO-free chemistry supporting sustainable product development.

Typical Applications Of Evonik Surfynol OP-340 Surfactant

  1. Waterborne architectural coatings and industrial maintenance paints.

  2. Industrial cleaning formulations including metal cleaners and CIP solutions.

  3. Agrochemical adjuvants for improved spray droplet spreading and foliar uptake.

  4. Inkjet inks and flexographic printing inks requiring fast drying and uniform film formation.

  5. Wood and concrete sealers where deep penetration and defect-free film integrity are critical.

Specifications Of Evonik Surfynol OP-340 Surfactant

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


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