Used as an abrasive in sandpapers and grinding wheels due to its hardness. Commonly found in cutting tools and polishing compounds. Serves as a catalyst support in chemical reactions. Applied as a protective coating on surfaces to resist wear and corrosion. Used in the production of refractory materials for high-temperature environments. Found in electronic substrates and insulating components. Employed in dental implants and medical devices for biocompatible surfaces. Also used in filtration media to remove moisture and impurities from gases.