Tungsten(VI) oxide, also known as tungsten trioxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten. It is obtained as an intermediate in the recovery of tungsten from its minerals
TO 130 (OTTO) Tungsten Oxide Nanopowder, APS 30-70 nm, 99% - used for Imaging, Infrared switching devices, Large-area displays, Photocatalysts, Smart windows.