Troykyd® D121 is a new powder defoamer specifically engineered for dry blend products. The silicone-free, powder defoamer is intended for use in cement-based-, gypsum-based- and various other dry mix systems. D121 can reportedly promote excellent air release, which enhances the strength and workability of construction products such as grout, stucco, mortar, joint compounds, and adhesives. In addition, the defoamer is acid-free and stable in high pH mixtures.

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