It is a specific gel product for the elimination of rust spots and yellow spots on the surfaces of natural stones such as marble, granite or limestone. Such stains are often caused by the oxidation of ferrous elements present from inside the material or coming from the support substrates such as ceramic adhesives, leveling mortars, pañetes, etc.

ROST 20 is an ideal product for the elimination of yellow stains by oxidation of ferrous components in white marbles without affecting their brightness.

* Product imported by Gramar