CLEANING AND IMPREGNATING PRODUCT DESIGNED FOR ACID-RESISTANT NATURAL AND ARTIFICIAL STONES, AND METHOD FOR CLEANING AND SIMULTANEOUSLY IMPREGNATING NATURAL AND ARTIFICIAL STONES

摘要

The invention concerns a method for cleaning and impregnating acid-resistant natural and artificial stones and a chemical composition used therefor and consisting of an acid-resistant protecting substance or rendered acid-resistant and of an acid solution with a pH lower than 5, in particular lower than 4. Said chemical composition is applied in one single operation on the surfaces of the stones.