Sodium bentonite expands when wet, absorbing as much as several times its dry mass in water. Because of its excellent colloidal properties, it is often used in drilling mud for oil and gas wells and boreholes for geotechnical and...
Foundry-grade bentonite powder is primarily used as a binding agent in molding sand for metal casting, creating strong, durable molds known as "green sand". It ensures good flowability, compactability, and thermal stability, which are crucial for producing high-quality castings...