Used as a contrast agent in medical imaging, particularly in X-ray and CT scans of the gastrointestinal tract. It helps outline the esophagus, stomach, and intestines, providing clear images of organ structure and function.

Commonly added to drilling fluids in oil and gas exploration to increase fluid density, which helps control well pressure and prevent blowouts.

Serves as a filler in the production of plastics, rubber, and paints, improving weight, durability, and surface finish.

Used in the manufacturing of photographic paper and coatings, where it provides a smooth, reflective base layer.

Employed in the formulation of certain types of brake linings and clutch materials due to its heat resistance and stability under friction.