Dehydran 1922 Cognis Defoamer / Antifoaming agent Coatings >> Waterborne Defoamer in powder form. Composition Mixture of surface active and mineral substances, containing no silicones. Ionic character non-ionic Water solubility easily dispersible Properties DEHYDRAN® 1922 is a highly effective defoamer or air release agent particularly suitable for use in powder based emulsion paints and in similar formulations. DEHYDRAN® 1922 can be mixed with all other powder components without any problems. DEHYDRAN® 1922 has yielded particularly good results in the manufacture of powder based levelling compounds and mortars as well as plasters based on cement. In these cases, the use of DEHYDRAN® 1922 ensures a fast escape of air entrapped while incorporating water. The resulting mastics have a smaller content of air pores andThe optimum quantity required should be determined by carrying out appropriate tests. Normally, between 0.1 and 1.0 % of DEHYDRAN®1922 calculated on to total formulation, are used. show a smooth and bubble-free Defoamer in powder form. Non-ionic mixture of surface active and mineral substances, containing no silicones. Highly effective air release agent particularly suitable for use in powder based emulsion paints and in similar formulations. Can be mixed with all other powder components without any problems. Recommended usage level: between 0.1 and 1.0 % calculated on to total formulation, are used.