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

Solvay Rhodasurf BC-840 Nonionic Emulsifier Surfactant

Solvay Rhodasurf BC-840 is a nonionic emulsifier surfactant from Solvay’s Rhodasurf series, designed for stable oil-in-water emulsions in agrochemicals and industrial formulations. It offers excellent wetting, low foaming, and broad compatibility with electrolytes and other surfactants. Widely used in pesticide concentrates and polymer emulsions for consistent performance under varying pH and hardness conditions.
  • solvay rhodasurf bc 840 nonionic emulsifier surfactant_87a1fa02
  • solvay rhodasurf bc 840 nonionic emulsifier surfactant_87a1fa02

Features Of Solvay Rhodasurf BC-840 Nonionic Emulsifier Surfactant

  1. Highly effective nonionic emulsifier based on ethoxylated fatty alcohol chemistry.

  2. Excellent stability in both acidic and alkaline polymerization systems.

  3. Low foaming profile suitable for high-shear industrial processes.

  4. Good compatibility with anionic and cationic surfactants in complex formulations.

  5. Enables formation of stable, fine-particle latexes with narrow particle size distribution.

Typical Applications Of Solvay Rhodasurf BC-840 Nonionic Emulsifier Surfactant

  1. Emulsion polymerization of styrene-butadiene rubber (SBR).

  2. Production of acrylic and vinyl acetate-based copolymer latices.

  3. Formulation of waterborne adhesives and sealants.

  4. Stabilization of pigment dispersions in architectural and industrial coatings.

  5. Use in textile sizing and finishing auxiliaries requiring low-foam emulsification.

Specifications Of Solvay Rhodasurf BC-840 Nonionic Emulsifier Surfactant

Chemical TypeNonionic surfactant — Ethoxylated fatty alcohol (C12–C15)
Product FormLiquid
AppearancePale yellow to amber viscous liquid
pH (1% aqueous solution, 25°C)6.0–7.5
Active Content (typical)98–100%
Cloud Point (1% solution in water)65–75°C
SolubilityFreely soluble in water and common organic solvents
Storage StabilityStable for ≥12 months at 5–30°C in original sealed container


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