Tetraethoxysilane oligomeric hydrolysate is widely used in the formulation of coatings and adhesives due to its ability to enhance durability and resistance to environmental factors. It serves as a key component in creating protective layers on surfaces, offering excellent water repellency and chemical stability. In the construction industry, it is applied to improve the strength and longevity of concrete and other building materials by acting as a sealant. Additionally, it is utilized in the production of ceramics and glass, where it aids in achieving high thermal and mechanical performance. Its role in nanotechnology is also significant, contributing to the development of advanced materials with tailored properties.