Powder Defoamers

Sitren AirVoid®

Product description

With the name Sitren AirVoid® our supplier EVONIK supplies us with a wide range of defoamers for dry mortars. These additives selectively combat all air bubbles created during processing and help to improve temperature resistance, substrate adhesion, aesthetics and mechanical properties of the mortar. In addition they do not affect the curing.

Among the defoamers there are products based on polyethers, organo modified siloxanes or acetylenic diols (Gemini surfactants). All defoamers are supplied in powder form (coated on inorganic material).

Areas of application are repair mortars, tile adhesives, levelling compounds or renders.

Product Chemistry Defoaming Surface Recommended dosage (%)
Sitren AirVoid® 360 Modified polyether on inorganic carrier +++ ++ 0.05 - 0.3
Sitren AirVoid® 362 Modified polyether on inorganic carrier ++ + 0.1 - 0.3
Sitren AirVoid® 370 Modified polyether on inorganic carrier +++ +++ 0.05 - 0.1




Sitren AirVoid®

Country availability

Austria Germany

Other products from Evonik

Robert Geffken

Contact person

Robert Geffken

Market Manager Adhesives & Construction

email   phone

Further information


Product Overview - Evonik - Drymix (2022) - EN
pdf (235.4 KB)