Tired of cleaning windows? After years of development, Pilkington ActivTM is the world's first self-cleaning glass to use a microscopic coating with a unique dual action. The coating on the glass reacts with ultraviolet light given off by the sun. This reaction on the surface breaks down and loosens the organic dirt. Then, when it rains, the coating causes rain water to "sheet" off the surface of the glass, which not only washes away the loosened particles of dirt, but also prevents the formulation of droplets, which cause streaks and make windows look dirty.
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