Lansurf SML20-FG serves a dual function as an emulsifier and anti-fogging agent. Designed for use in suspension polymerization and emulsion polymerization processes, this liquid-form solution maintains a clear amber appearance and is free from foreign matter at 25°C. With a characteristic odor, Lansurf SML20-FG is readily soluble in water, providing ease of incorporation into various formulations.

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

Functions: Anti-Fogging Agent, Anti-Fogging Agent, Emulsifier

Labeling Claims: Biodegradable, Foreign matter-free

Applicable Processes: Emulsion Polymerization, Suspension Polymerization

Technical Data Sheet

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Identification & Functionality

Agrochemical Functions
Fluids & Lubricants Functions
Industrial Additives Functions
Plastics & Elastomers Functions

Features & Benefits

Materials Features

Applications & Uses

Fluids & Lubricants Type
Fluids & Lubricants End Use
Plastics & Elastomers End Uses
  • Lansurf SML20-FG can be used singularly or in combination with esters such as Lansurf SML.
  • 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 Value16.5--
Viscosity (at 25°C)984cP-
Specific Gravity (at 20°C)1.1--
Pour Pointmax. 0°C-
Flash Pointmin. 150°CClosed Cup
ValueUnitsTest Method / Conditions
Saponification Value40.0 - 50.0mg KOH/g-
Acid Valuemax. 2mg KOH/g-
Water Content3.0%-
Hydroxyl Content96.0 - 108.0mg KOH/g-
Solid Content100.0%-

Technical Details & Test Data


Lansurf SML20-FG - Properties - 1

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lansurf SML20-FG 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 SML20 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.