( Water based antigraffity agent. A nanotechnology product) One of the biggest stain problems of the building walls of the big cities are the so called ‘graffities’, which some unminded people use to paint. Up to now all efforts to diminish these paints with low cost practically have failed. FAR HELLAS LTD recently has launched in the market a new formula based on fluoroalkyl acrylat in a water based , ecologic composition, which because of its micro molecular structure , penetrates everywhere and gives antistain effect. STAIN BLOCKER is recommended for marbles, natural or artificial stones , granites, painted metallic surfaces and smooth walls that have been painted before. The application has not any colour affect to the shade of the surface. It is drying easily and shows its hydrophobic and oil repellent properties in 24-36 hours . After the reticulation of the polymerized film you can easily remove with a wet towel dirties and oils. In case of spray colours on walls and marbles there is necessary a good rubbing wash with white spirit. STAIN BLOCKER can block dirties like chocolate fat, food and machine oil , coffee ,graphite and generally stains that penetrate and are too difficult to be removed. All these stains are oxidized in the time and become coloured. Now with the STAIN BLOCKER housewives will not have to be afraid to cook on areas with marbles ,granites or stone floors, since even the drops of hot fat would not scare them anymore.