Nano Tio2 photocatalyst is a water base coating base Sol Gel technology. The Sol Gel technology of Nano Tio2 photocatayst coating allows to penerate into crevices, fibers and to create a very stong bonding to provide a long lasting effective. The photocatalyst coating can be applied to variety of substrates from metals, plastics, cloths, stones, cements, stuccos, mirros, glass and more.