Surface contamination by dissolved salts has always been an issue for the corrosion protection industry. It was, however, the replacement of lead-bearing paints (Pb3O4) by other paint types due to environmental concerns that caused the industry to take a closer look at salts with respect to coating
performance. A unique property of lead compounds is the capability of binding up soluble salts. Other coating compounds do not have this capability, and it was for that reason that salt contamination became an issue in surface preparation and coating....
(Login to read the full article)