NEWS ARTICLE ARCHIVESCopper Cleaning with JOS/ROTOSOFT System from Let's CleanCLEANING OF COPPER USING THE JOS/ROTOSOFT SYSTEM This is the first step when cleaning, quickly and effectively, monumental copper artifacts, producing a smooth finish prior to patination and waxing. The left-hand side of this copper plate has been cleaned using calcium carbonate and the right, sodium bicarbonate. |