Effectively removes inorganic encrustations such as: limescale deposits

cement agglomerates

Cleanses the skin leaving it fresh and clean

using a brush or a spray dispenser

Proceed to the rinsing phase using a pressure washer or manually with brushes wet with water

PETRA 24 - 1pz x 15 L Effectively removes inorganic encrustations suchGel for the conservative cleaning of all natural and artificial exposed stone surfaces, with high and low porosity. Indicated for the cleaning treatment of civil buildings, artefacts of historical, artistic and monumental interest. For all natural and artificial stone surfaces (marble, granite, travertine, tuff, slate, sandstone, porphyry, klinker, porcelain stoneware, concrete and concrete conglomerates). Removes patina, sulphation stains (black