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

Solvay Rhodoline 677 Oil-Based Defoamer Surfactant

Solvay Rhodoline 677 is an oil-based defoamer surfactant from the Rhodoline series, engineered for rapid foam suppression in demanding industrial processes like coatings, inks, and agrochemicals. It offers excellent compatibility, low dosage efficiency, and stable performance across varied pH and temperature conditions.
  • solvay rhodoline 677 oil based defoamer surfactant_087fe50a
  • solvay rhodoline 677 oil based defoamer surfactant_087fe50a

Features Of Solvay Rhodoline 677 Oil-Based Defoamer Surfactant

  1. Highly effective in suppressing foam formation and breaking existing foam in demanding oil-based systems.

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

  3. Thermally stable up to 150 °C, supporting performance in high-temperature industrial processes.

  4. Low dosage efficiency — typically effective at 0.05–0.5 wt% depending on system severity.

  5. Non-silicone chemistry, eliminating risks of silicone-related surface defects or contamination in sensitive applications.

Typical Applications Of Solvay Rhodoline 677 Oil-Based Defoamer Surfactant

  1. Metalworking fluids, including cutting oils and grinding fluids.

  2. Hydraulic and turbine oils requiring persistent foam control.

  3. Transformer oils and insulating fluids in electrical equipment.

  4. Industrial gear oils and compressor lubricants.

  5. Oil-based coatings, inks, and specialty adhesives.

Specifications Of Solvay Rhodoline 677 Oil-Based Defoamer Surfactant

Chemical TypeNon-silicone polymeric defoamer
Product FormClear to slightly hazy liquid
AppearanceAmber-colored, low-viscosity oil
Primary ApplicationsOil-based industrial lubricants and functional fluids
Key FeaturesNon-silicone, thermally stable, oil-soluble
BenefitsPrevents foam-induced pump cavitation, improves fluid clarity and air release
Density (20 °C)Approx. 0.92–0.94 g/cm³
SolubilityComplete miscibility in mineral and synthetic hydrocarbon oils


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