It is also used to increase the acid resistance of vitreous enamels. The strong bonding between titanium and oxygen gives great thermal stability, melting at 2100 K. It also has a high dielectric constant and a high resistance and thus it is used to make capacitors. Much smaller amounts of titanium dioxide are used as a semi-conductor and to catalyse the photodecomposition of water into hydrogen and oxygen. It is also being used in novel nanotechnology applications.ĭata for 2013, Merchant Research and Consulting, 2015 It is resistant to UV radiation and thus does not discolour over a long period of time and ultra pure and fine crystal titanium dioxide grades are being increasingly used for sun screens. Titanium dioxide is the most used white pigment and provides whiteness and opacity for paints and coatings (including glazes), plastics and paper. It is these properties that underlie its most important uses. It is also a very stable compound and can be heated to over 2000 K before melting. Titanium dioxide has remarkable optical properties, with a very high refractive index close to that of diamond.
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