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Pilkington Activ Glass - PowerPoint PPT Presentation

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Pilkington Activ Glass

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  1. Pilkington Activ Glass

  2. It is a self cleaning glass for your home It eliminates dirt, smudges, finger prints, ect. Away from the window through the help of the sun and other natural means What is it

  3. “The first stage of the cleaning process is "photocatalytic". In this stage the coating reacts with daylight to break down organic dirt.” –Pilkington.com How it works “The second stage is "hydrophilic". Here, instead of forming droplets, rainwater hits the glass and spreads evenly, running off in a "sheet" and taking the loosened dirt with it, also drying quickly without leaving streaks.” –Pilkington.com

  4. The glass is coated in a thin film of titania which enables the UV light from the sun to loosen the dirt particles away from the glass. It also allows the the glass to become a superhydrophilic substance, when it is usually hydrophobic. Water spreads evenly over superhydrophilic substances and doesn’t streak. Why does it work?

  5. Resources • "Self-cleaning Glass." Wikipedia. Wikimedia Foundation, 26 Apr. 2014. Web. 29 Apr. 2014. <http://en.wikipedia.org/wiki/Self-cleaning_glass> • "How Self-Cleaning Glass Works." How Does It Work? N.p., n.d. Web. 29 Apr. 2014. <http://www.pilkington.com/en-gb/uk/householders/types-of-glass/self-cleaning-glass/how-does-it-work>.