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 due to its high density and ability to block X-rays.

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.

Utilized in the paper industry to coat high-quality paper, enhancing brightness, smoothness, and printability.

Acts as a pigment or extender in white paints and coatings, offering improved opacity and chemical resistance.