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

Solvay Rhodoline WT 639 Surfactant

Solvay Rhodoline WT 639 is a high-performance anionic surfactant from the Rhodoline® series, engineered for superior wetting, dispersion, and emulsification in industrial cleaning and agrochemical formulations. It delivers excellent low-foam behavior, hard-water tolerance, and biodegradability—ideal for eco-conscious applications requiring robust interfacial activity and formulation stability.
  • solvay rhodoline wt 639 surfactant_de3e0e65
  • solvay rhodoline wt 639 surfactant_de3e0e65

Features Of Solvay Rhodoline WT 639 Surfactant

  1. Highly effective nonionic surfactant with excellent wetting and dispersing properties.

  2. Low foaming profile suitable for high-shear industrial cleaning processes.

  3. Good compatibility with anionic and cationic systems in formulated products.

  4. Stable across a broad pH range (pH 4–12) and tolerant to moderate electrolyte concentrations.

  5. Biodegradable formulation aligned with EU Ecolabel and OECD 301B testing criteria.

Typical Applications Of Solvay Rhodoline WT 639 Surfactant

  1. Industrial hard-surface cleaners for food processing equipment.

  2. Alkaline detergent formulations in metalworking and parts washing.

  3. Agrochemical adjuvants for improved spray coverage and active ingredient uptake.

  4. Textile auxiliary in desizing and scouring baths.

  5. Specialty emulsion polymerization stabilizers for acrylic and styrene-based systems.

Specifications Of Solvay Rhodoline WT 639 Surfactant

Chemical TypeNonionic surfactant (alkylphenol ethoxylate-free)
Product FormLiquid, clear to pale yellow
AppearanceHomogeneous liquid at 25°C
Active Content (w/w %)98.0–100.0%
pH (1% aqueous solution)5.5–7.0
Density (20°C)1.02–1.05 g/cm³
Solubility in WaterCompletely miscible at room temperature
Primary ApplicationsWetting agent, dispersant, emulsifier


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