Water is one of nature’s most valuable resources, and there is an ever-increasing demand for good quality water for both industrial and domestic use.

The Dequest Business is offering unique specialty additives to meet the needs of these industries that deal with water management or deal with processes or applications where water plays a crucial role.

More than 40 years ago, Dequest pioneered the development of phosphonate based antiscalants. Dequest phosphonates have been the product of choice for antiscalants / dispersants / corrosion inhibitors / chelants in various applications for many years. Today Dequest offers a broad range of water management additives including Dequest phosphonates, Dequest P acrylic / maleic based (co-) polymers, Dequest PB biological polymers and tailor made products for specific applications.

Dequest phosphonates and polymers are used worldwide in a broad spectrum of markets and applications, including industrial water treatment, household & industrial detergents, industrial cleaners, enhanced oil recovery operations and various industrial processes such as desalination, pulp production & bleaching of paper as well as textiles.


Esterquats – Kemfluid®

Highly biodegradable compounds salts formed by quaternary ammonium cations with natural fatty acids of animal origin and a negatively charged anion.
Esterquats are used as base product for manufacturing of fabric softeners in detergent industry and its special configuration gives a sensation of softness on surfaces where product is applied.