Evonik has introduced Tego Airex 990 and Tego Airex 991, which represent the latest generation of deaerators and defoamers for solventborne high solids coatings. These liquid products contain 100% active substance, are free of organic solvents and recoatable. This gives the formulator the opportunity to set the solvent content.
Tego Airex 990 is a compatible deaerator for clear and pigmented coatings. It can be used in all kinds of spray applications. Tego Airex 991 is a powerful deaerator for pigmented fillers and top coats. Due to its good performance against micro- and macro-foam it can be used in many different systems with particular emphasis on airless, airmix and roller applications.