A water based, semi-permanent protection against graffiti which is intended for use on absorbent mineral base materials. Unicoatings Anti-Graffiti Sealer forms a hydro and oleophobic impregnation which is both a "breathing" coating and resistant to the weather. Free from any organic solvents. Other coatings or paints cannot be absorbed and adhere to the surface with difficulty that is to say that they simply break down by water vapour diffusion.
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