| Special glass |
| Self-Cleaning glass |
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SGG BIOCLEAN - Self-cleaning glass
SGG BIOCLEAN uses UV light and rain to actively break down dirt so your windows stay cleaner for longer. Save time and money on window cleaning! Ideal for conservatories, roofs and windows.
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 Self-cleaning glass is an ordinary float glass with a special photocatalytic coating. It is made by chemically bonding and integrating a microscopically-thin surface layer to the exterior surface of clear glass. The integrated coating reacts to the sun?s ultraviolet rays to gradually and continuously break down organic dirt through what is called a photocatalytic effect. In other words photocatalytic means that the active integrated coating on the outside of the glass absorbs the sun?s ultraviolet rays. This causes a reaction on the surface which breaks down dirt and loosens it from the glass. This type of glass also has hydrophilic properties, meaning that rain flows down the pane as a sheet, washing away the dirt instead of, as with normal glasses, leaving the dirt behind. As a result of these two effects, the special self-cleaning coating keeps the glass cleaner for a longer period than with normal glass in applications where it is exposed to the rain. |
Last review: Mar, 2007
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Sources on the net |
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SGG Bioclean
Home page of SGG Bioclean self-cleaning glass
Pilkington
Official website of the self-cleaning glass Pilkington Activ.
BBC
Additional information on how self-cleanig glass works.
UniSci
Tracking water's hydrophilic-hydrophobic behavior
Optics.org
Self-cleaning glass hits Europe: Consumers across Europe can now purchase self-cleaning glass that promises to keep windows free from dirt.
Science Daily
'Bumpy' Glass Could Lead To Self-cleaning Windows, Slick Micromachines.
Laminated Glass News
Pilkington, the world's first self-cleaning laminated glass incorporates Butacite® PVB.
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