ScienceDaily (Sep. 10, 2009)
..."Our innovative polymer film seals the pores in the substrate, so that graffiti paint doesn’t penetrate. But its micro-porous structure also creates a hydrophobic barrier that allows water vapor to escape from the building while at the same time preventing the infiltration of rainwater," says Laschewsky. The coating can be removed from the surface using a diluted brine solution which modifies its chemical composition and allows it to be washed off....
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