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

Solvay Rhodoline 694 Oil-Based Defoamer Surfactant

Solvay Rhodoline 694 is an oil-based defoamer surfactant from the Rhodoline series, engineered for rapid foam suppression in demanding industrial applications like coatings, inks, and metalworking fluids. It delivers excellent compatibility, low-foaming performance, and stable dispersion without compromising formulation integrity or substrate wetting.
  • solvay rhodoline 694 oil based defoamer surfactant_f0d30317
  • solvay rhodoline 694 oil based defoamer surfactant_f0d30317

Features Of Solvay Rhodoline 694 Oil-Based Defoamer Surfactant

  1. Highly effective silicone-free defoaming in oil-based systems.

  2. Excellent compatibility with mineral oils, synthetic lubricants, and industrial greases.

  3. Low dosage requirement ensures cost-efficient performance without compromising formulation stability.

  4. Thermally stable up to 180 °C, supporting high-temperature processing conditions.

  5. Non-volatile and non-migrating—maintains long-term antifoam activity in closed-loop systems.

Typical Applications Of Solvay Rhodoline 694 Oil-Based Defoamer Surfactant

  1. Industrial metalworking fluids (cutting oils, grinding oils).

  2. Hydraulic and turbine oils.

  3. Transformer and insulating oils.

  4. Engine and gear lubricants.

  5. Grease formulations requiring persistent foam suppression.

Specifications Of Solvay Rhodoline 694 Oil-Based Defoamer Surfactant

Chemical TypeNon-silicone polyether-modified alkylphenol surfactant blend
Product FormViscous amber liquid
AppearanceClear to slightly hazy, homogeneous liquid
Primary ApplicationsOil-based industrial lubricants and functional fluids
Key FeaturesSilicone-free, thermally stable, oil-soluble, low-foaming carrier
BenefitsPrevents air entrainment, enhances pumpability, improves heat transfer efficiency
Storage StabilityStable for ≥24 months at 5–30 °C in sealed original container
Recommended Use Level0.05–0.5 wt% depending on system severity


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