In the construction industry, a large number of foam are often produced during the construction of concrete, coatings, waterproof materials, adhesives, etc. due to mixing, reaction or external environmental impact. These foam not only affect the construction efficiency and quality, but also may have a negative impact on the strength and

durability of the final product. Therefore, the defoamer for the construction industry came into being. As a chemical additive specially used to control and eliminate the foam generated in the construction process, its importance is self-evident. Defoamers in the construction industry rapidly destroy the stability of foam, promote bubble

merging and bursting, and ensure the smooth construction process and excellent performance of products through unique physical and chemical action mechanism.

The defoaming principle of defoamer mainly includes destroying the surface tension of foam, accelerating the liquid discharge speed of liquid film, and promoting the coalescence and rupture of bubbles. According to different components, defoamers can be divided into organosilicon, polyether, mineral oil, and composite types. Organic

silicone defoamers are widely used in the construction industry due to their efficient defoaming ability and good stability; Polyether compounds are favored for their low toxicity and environmental friendliness. Technologically, modern defoamers focus on the synergistic effect of multiple components, achieving rapid defoaming and long-

lasting foam suppression through precise formula design, while reducing negative impacts on construction materials and the environment.