Lansurf SMO80 is a versatile solution with multiple functions, serving as a nonionic surfactant, emulsifier, and anti-fogging agent. Tailored for use in suspension polymerization and emulsion polymerization processes, this liquid-form product maintains a clear amber appearance and is free from foreign matter at 25°C. With a characteristic odor, Lansurf SMO80 is not only biodegradable but also water-soluble, making it a sustainable and easily incorporable choice for various formulations.

Chemical Family: Ethoxylates, Polyethoxylated Sorbitan Ester, Polysorbates, Sorbitan Ester Ethoxylates

Functions: Anti-Fogging Agent, Anti-Fogging Agent, Emulsifier, Surfactant, Surfactant (Nonionic)

Labeling Claims: Biodegradable, Foreign matter-free

Applicable Processes: Emulsion Polymerization, Suspension Polymerization

Technical Data Sheet

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Identification & Functionality

Features & Benefits

Applications & Uses

Applicable Processes
Compatible Polymers & Resins
Fluids & Lubricants Type
Fluids & Lubricants End Use
Plastics & Elastomers End Uses
  • Lansurf SMO80 can be used singularly or in combination with esters such as Lansurf SMO.
  • Typical applications include agrochemical formulations, as anti-fogging agents in plastic films, textile fiber lubricants and softener and as secondary emulsifiers in suspension and emulsion polymerisation.
  • This product is also found to be readily biodegradable and would not expect to persist indefinitely in the environment.


Physical Form
Clear amber liquid free from foreign matter (at 25°C)
Soluble in
Typical Properties
ValueUnitsTest Method / Conditions
Moles of Ethylene Oxide20--
Hydrophilic-Lyphophilic Balance Value15--
Viscosity (at 25°C)971cP-
Specific Gravity (at 20°C)1.1--
Pour Pointmax. 0°C-
Flash Pointmin. 150°CClosed Cup
ValueUnitsTest Method / Conditions
Active Content100%-
Saponification Value45.0 - 55.0mg KOH/g-
Acid Valuemax. 2mg KOH/g-
Solid Content100.0%-

Technical Details & Test Data


Lansurf SMO80 - Properties - 1

Packaging & Availability

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

Lansurf SMO80 can be supplied in bulk road tankers, IBC’s, 200kg nett drums.

Storage & Handling

Storage Conditions
  • Stainless steel, polyethylene or glass lined equipment is necessary for the storage of Lansurf SMO80 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.