art restoration

For cleaning and art restoration of paintings, we would recommend a gentle yet highly effective detergent…..

Q. I work at a museum and my current project is to remove both oxidation of copper and what I assume are residues from calcareous water from a valuable, antique sink. From the XRF-analysis, I have identified the sink as having a copper base with a zinc-nickel plating. My primary concern is that I need to preserve the “used” and dull appearance on the sink and not achieve a shiny, “like new” result.