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Lansurf AE73

Product Category: Nonionics

Cetyl Oleyl Alcohol + 3EO

INCI Name: Ceteth‑3 / Oleth‑3

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Lansurf AE73 is a biodegradable nonionic surfactant obtained by ethoxylating cetyl oleyl alcohol. It offers excellent compatibility with soaps, anionic, cationic, and other nonionic surfactants, providing broad formulation flexibility.


Lansurf AE73 delivers strong oil/water emulsification performance, making it highly effective in systems containing vegetable oils, mineral oils, waxes, and alkyd resins.

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Key Features

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  • Highly effective emulsifier for vegetable oils, mineral oils, paraffin waxes, and alkyd resins.

  • Excellent Oil/Water emulsion stability when used alone or in combination with co‑emulsifiers. 

  • Good wetting and dispersing properties for enhanced formulation performance.

  • Versatile nonionic surfactant compatible with anionic, cationic, and nonionic systems.

  • Provides reliable performance across metalworking, agrochemicals, oilfield, textile, and coating applications.

  • Readily biodegradable, supporting environmentally responsible formulations.

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Applications

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​Highly effective emulsifier for vegetable oils, mineral oils, paraffin waxes, and alkyd resins
- Can be used as a primary emulsifier or in combination with other surfactants to optimise emulsion stability.


Metalworking
- Emulsifier for soluble oils and semi‑synthetic metalworking fluids.
- Provides stable O/W emulsions for lubrication and cooling.


Agrochemicals
- Emulsifier and co‑surfactant for EC, EW, and ME formulations.
- Supports dispersion and stability of active ingredients.


Oilfield Chemicals
- Used in drilling, production, and treatment chemicals requiring strong emulsification of oils and waxes.
- Enhances emulsion stability under demanding conditions.


Textile Lubricants
- Emulsifier for lubricant oils used in fibre processing.
- Provides uniform distribution and improved wetting on textile substrates.


Paints & Surface Coatings
- Emulsifier for alkyd resins in water-reducible formulations.
- Supports stable pigments and resin dispersions in coatings systems.

Specification

Appearance at 25°C
 

Clear to hazy viscous liquid, free from foreign matter

Cloud point °C (10% in 25% BDG/water)

48.0 - 55.0

pH 1% aqueous

5.0 - 8.0

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Typical Properties

Composition

Cetyl oleyl ethoxylate

Viscosity at 25°C (cP)

55

Pour point °C
 

<17

Odour

Characteristic

Specific gravity at 25°C

0.95

Activity %

100

Solubility in water at 20°C

Insoluble

Wetting draves 0.5g/l

wetting-1.png

# 1g in 10% sodium chloride solution

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