Monday, 31 January 2011

Photocatalytic Paint

The brilliant white concrete of the new Jubilee Church in Rome is expected to stay clean for the ages thanks to a photocatalytic additive to the concrete.

The very fine titanium dioxide particles contained in photocatalytic paint, upon exposure to ultraviolet light, reacts with moisture in the air to produce a highly-oxidative environment. This highly-oxidative characteristic means the paint has the following properties:

Pollutants such as nitrogen oxides, sulphur dioxide and carbon monoxide are reduced to harmless compounds.
Soils are disassociated and easily washed away with water.
Noxious gases are broken down.
Bacteria and viruses are inactivated.

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