N1B Medium Carat Silver Cleaning Solution

N1 B solution is a product produced for the purpose of removing oxide and mineral layers from AG/Cu alloy coins, coins and metals with a relatively high silver ratio (40-70). It gives much faster results than N1 A product, provides high level of cleaning and shine on the metal. It helps to dissolve Silver Oxide (Ag₂O), Malachite (Cu2CO3(OH)2), Cuprite (Cu2O) and Lead Oxide (PbO -PbO2) layers. The application can be continued with periodic checks between 0.5-12 hours. Provides high level of cleaning. It can be used safely without damaging the metal surface.