What effect does defoaming agent have on the performance of gypsum self-leveling mortar?
What effect does defoaming agent have on the performance of gypsum self-leveling mortar? Defoaming agents are generally only used in model gypsum, precision casting gypsum, self-leveling gypsum mortar, etc. to reduce pores on the surface of gypsum products. Commonly used defoaming agents include n-butanol, polyethylene glycol, tributyl phosphate and other organic substances. During construction,…