Lansurf AE320W is a nonionic surfactant known for its good oil/water and water/oil emulsification, wetting, and detergency properties. It is particularly recognized as an excellent emulsifier for emulsion polymerization systems such as vinyl acetate homopolymer, presenting as a clear liquid free from foreign matter at 25°C.

Functions: Emulsifier, Surfactant, Surfactant (Nonionic)

Chemical Family: Alcohol Ethoxylates

Applicable Processes: Acrylic Acid Manufacturing, Acrylic Ester Manufacturing, Emulsion Polymerization, Styrene Acrylic Manufacturing, Styrene Homopolymer Polymerization, Vinyl Acetate - Acrylic Polymerization, Vinyl Acetate Homopolymer Polymerization

Features: Good Emulsification Properties, Good Wetting Properties, High Detergency

Synonyms: Alcohols, C11-14-isoalcs., C13-rich, ethoxylated

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Applicable Processes

Lansurf AE320W is an excellent emulsifier for emulsion polymerization for systems such as:

  • Vinyl Acetate - Homopolymer
  • Vinyl Acetate - Acrylic
  • Styrene - Homopolymer
  • Styrene - Acrylic
  • Acrylic Monomers - Esters and Acids


Physical Form
Clear to hazy liquid free from foreign matter (at 25°C)
Soluble in
Typical Properties
ValueUnitsTest Method / Conditions
Flash Pointmin. 175°COpen Cup
Hydrophilic-Lyphophilic Balance Value16.5--
Moles of Ethylene Oxide20--
Pour Point5.0°C-
Specific Gravity (at 20°C)1.07--
Surface Tension (at 0.1% aqueous)36mN/m-
Viscosity (at 25°C)424cP-
ValueUnitsTest Method / Conditions
Cloud Point (1% in 10% NaCl solution)70.0 - 76.0°C-
Colormax. 100Hazen-
pH (5% aqueous)5.0 - 8.0--
Solid Content78.0 - 82.0%-

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lansurf AE320W can be supplied in bulk road tankers, IBC’s and 200kg nett drums.

Storage & Handling

Storage Conditions
  • Stainless steel, polyethylene or glass lined equipment is necessary for the storage of Lansurf AE320W in order to prevent corrosion and subsequent contamination.
  • This material can separate on standing and at low temperatures. May require agitation and warming prior to use.