Cleaner of sandstones, granites, basalts, white marbles and all kinds of acid stones at pH 5.5 - 6. Acts by ion exchange between the dirt and the aqueous cleaning medium, reacting with the mineral binder and hardening it by precipitation in the capillaries It acts superficially by being gelled and consolidates the natural patina. Respect the support, without changing the PH, preserving its original nobility. Avoid more aggressive treatments with jets of water under pressure or aggregates. Indicated also for shading ceramic surfaces or without pores before varnishing. Protect the metallic elements especially the aluminum that also qualifies it. Monuments and facades with urban dirt. On wet supports it acts faster. VOC not applicable.