RINNOVA MARMO CLEAN&POLISH with Polishing Brick

This product was designed primarily to facilitate the removal of dull stains on polished marble. The process requires manual effort, which, if performed correctly, can be mi-nimal. Marble dullness is generally caused by corrosion by acids. The extent of corro-sion depends on the level of acidity and the length of exposure: it can range from mild to severe. Using appropriate abrasives allows the removal of even very rough corro-sion stains. However, the greater the severity of the corrosion, the greater the manual effort required to remove it. For this reason, each stain must be carefully assessed be-fore proceeding, avoiding the use of overly aggressive abrasives when unnecessary. A reliable method for estimating the degree of corrosion is based on the tactile percep-tion of the dull area, according to the following scale: