Water Treatment

Esterchem products have widespread applications within the water treatment sector, notably for flocculant production and foam control formulations. They act as emulsifiers, processing aids, dispersants, defoamers and stabilisers.

Product Groups

Laurates

Laurate esters—such as sorbitan monolaurate, glycerol monolaurate, and PEG laurates—are esters based on lauric acid, known for their multifunctional performance. They excel as non-ionic emulsifiers and stabilisers, and in enhancing wetting, viscosity control, and dispersion.

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Oleates

Oleate esters, such as sorbitan oleates and PEG oleates, are versatile non-ionic fatty acid esters derived from oleic acid. They are widely used as emulsifiers, dispersants, defoamers, stabilizers, and lubricity additives, among other functions, for use in both chemical processing and finished product formulations.

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Stearates

Stearate esters, including sorbitan stearates and ethylene glycol stearates, are non-ionic esters derived from stearic acid, prized for their thickening, emulsifying, and stabilizing properties. Their high melting points contribute to thermal stability and improved product consistency, making them valuable across a wide range of industrial and consumer applications.

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Key Products

PEG 200 Dioleate

PEG 200 Dioleate (PEG 200 DO) is a multifunctional non-ionic surfactant and emulsifier. As a dioleate ester, it offers enhanced oil compatibility and is commonly used where emulsification, wetting, lubrication, and dispersion properties are required.
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PEG 200 Monooleate

PEG 200 Monooleate (PEG 200 MO) is a multifunctional non-ionic surfactant and emulsifier. With an HLB of 7.0, it is suited to formulations requiring emulsification, wetting, dispersion, and oil compatibility.
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PEG 400 Dioleate

PEG 400 Dioleate (PEG 400 DO) is a multifunctional non-ionic surfactant and emulsifier. As a dioleate ester, it offers strong oil compatibility and is commonly used where emulsification, lubrication, wetting, and dispersion properties are required.
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PEG 400 Monooleate

PEG 400 Monooleate (PEG 400 MO) is a multifunctional non-ionic surfactant and emulsifier. Compared to lower molecular weight PEG oleates, PEG 400 MO offers increased water dispersibility and is commonly used where emulsification, wetting, detergency, and dispersion properties are required.
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Polysorbate 80

Polysorbate 80 is a non-ionic surfactant produced from ethoxylated sorbitan esters, with oleic acid as the principal associated fatty acid. It is commonly described as polyoxyethylene (20) sorbitan monooleate.
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Sorbitan Monolaurate

Sorbitan Monolaurate (SML) is a non-ionic surfactant and emulsifier with an HLB of 8.6, positioning it as a water-dispersible, oil-favouring emulsifier. It is typically used to support oil-in-water (O/W) emulsions, improve wetting, and enhance dispersion across a wide range of formulations.
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Sorbitan Monooleate

Sorbitan Monooleate (SMO) is a non-ionic surfactant and low-HLB emulsifier. With an HLB of approximately 4.3, it is particularly suited for water-in-oil (W/O) emulsions, whilst also functioning as an effective wetting agent, dispersant and co-emulsifier in a wide range of industrial and technical formulations.
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Sorbitan Monostearate

Sorbitan Monostearate (SMS) is a non-ionic sorbitan ester. It is a low-HLB emulsifier, dispersant and stabiliser, commonly used where water-in-oil emulsification, fat/oil compatibility and formulation structure are required.
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