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

Solvay Rhodoline 770 Oil-Based Defoamer Surfactant

Solvay Rhodoline 770 is a high-performance oil-based defoamer surfactant from Solvay’s Rhodoline series, designed for rapid foam suppression in demanding industrial applications including coatings, inks, and agrochemicals. It offers excellent compatibility, low dosage efficiency, and stable performance across varying temperatures and pH levels.
  • solvay rhodoline 770 oil based defoamer surfactant_a40641a1
  • solvay rhodoline 770 oil based defoamer surfactant_a40641a1

Features Of Solvay Rhodoline 770 Oil-Based Defoamer Surfactant

  1. Highly effective in suppressing foam formation and promoting rapid defoaming in oil-based systems.

  2. Excellent compatibility with mineral oils, synthetic lubricants, and hydrocarbon-based formulations.

  3. Thermally stable across a broad operating temperature range, maintaining performance under elevated process conditions.

  4. Low dosage efficiency — delivers robust defoaming action at low treat rates (typically 0.01–0.1 wt%).

  5. Non-silicone chemistry avoids residue, staining, or interfacial incompatibility issues common with silicone-based defoamers.

Typical Applications Of Solvay Rhodoline 770 Oil-Based Defoamer Surfactant

  1. Industrial metalworking fluids, including cutting oils and grinding fluids.

  2. Hydraulic and turbine oils requiring long-term foam control.

  3. Transformer oils and dielectric fluids where electrical insulation integrity is critical.

  4. Engine oils and gear lubricants for automotive and heavy-duty applications.

  5. Oil-based coatings, inks, and adhesives where surface defect prevention is essential.

Specifications Of Solvay Rhodoline 770 Oil-Based Defoamer Surfactant

Chemical TypeNon-ionic polymeric defoamer (hydrocarbon-based)
Product FormClear to slightly hazy amber liquid
AppearanceHomogeneous free-flowing liquid
Density (20 °C)Approx. 0.89–0.92 g/cm³
Viscosity (25 °C)Approx. 40–80 cSt
SolubilityImmiscible in water; fully miscible in most mineral and synthetic hydrocarbon oils
Primary ApplicationsMetalworking fluids, lubricants, transformer oils, hydraulic fluids
Key FeaturesNon-silicone, thermally stable, low-dosage, residue-free


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