Lansurf AE73 is a biodegradable nonionic surfactant created through the reaction of ethylene oxide with cetyl oleyl alcohol. This product is compatible with soaps, anionic, cationic, and other nonionic surfactants. It demonstrates effective oil/water emulsification and serves as a highly efficient emulsifier for vegetable and mineral oils, paraffin waxes, and alkyd resins. It finds applications in various areas, including metalworking, agrochemicals, and oilfield chemicals.

Chemical Family: Alcohol Ethoxylates, Ethoxylates

Functions: Emulsifier, Surfactant, Surfactant (Nonionic)

Labeling Claims: Biodegradable, Foreign matter-free

Applicable Processes: Metalworking Applications

Technical Data Sheet

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Identification & Functionality

CASE Ingredients Functions
Fluids & Lubricants Functions
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Features & Benefits

Applications & Uses

Applicable Processes
Fluids & Lubricants Type
Fluids & Lubricants End Use

Lansurf AE73 is a highly effective emulsifier for vegetable and mineral oils, paraffin waxes and alkyd resins, where it can be used alone or in combination with other emulsifiers. Lansurf AE73 is used in application areas including:

  • Metalworking
  • Agrochemicals
  • Oilfield chemicals
  • Textile lubricants
  • Paints/surface coatings


Physical Form
Clear to hazy viscous liquid, free from foreign matter (at 25°C)
Insoluble in
Water (at 20°C)
Typical Properties
ValueUnitsTest Method / Conditions
Pour Pointmax. 17°C-
Specific Gravity (at 20°C)0.95--
Viscosity (at 25°C)55cP-
ValueUnitsTest Method / Conditions
Cloud Point (10% in 25% BDG/water)48.0 - 55.0°C-
pH (1% aqueous)5.0 - 8.0--

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lansurf AE73 can be supplied in bulk road tanker, IBC and 200kg nett drum.

Storage & Handling

Storage Conditions
  • Stainless steel, polyethylene or glass-lined equipment is necessary for the storage of Lansurf AE73 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.