Ultraviolet (UV) radiation is one of the most significant environmental factors affecting coatings, possessing high energy that can cause discoloration and degradation of coating films. Indium Zinc Oxide (IZO) is currently considered the most advanced UV-blocking material, offering superior performance compared to traditional UV blockers such as Titanium Dioxide (TiO₂), Cerium Oxide (CeO₂), and Zinc Oxide (ZnO). Due to its inorganic nature, IZO provides much greater durability than conventional organic UV absorbers. SukgyungAT supplies ultrafine IZO particles in both powder and dispersion forms, maintaining visible light transparency while delivering outstanding UV-blocking capabilities. Thanks to its high transparency, IZO is an ideal material for applications such as lighting covers and film coatings.