CHEMICAL window cleaning agents could soon be redundant thanks to a new product soon to be introduced by Pilkington North America. Its Pilkington Aktiv glass is the first in the world to have self-cleaning properties.

The glass uses a so-called 'photocatalytic effect,' where the sun's rays gradually and continuously break down organic dirt which then dissolves. After initial installation, Pilkington Aktiv windows need to be exposed to the UV rays in sunlight for several days to activate the photocatalytic properties. Once activated, the ...

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