Tin has the advantages of corrosion resistance, discoloration resistance, non-toxic, easily brazed, soft, and ductility. Tin plating possess high chemical stability. It is exhibit highly resistant to oxidation and discoloration in atmospheric environment. Tin plating could not react with sulfide, diluted sulfuric acid, diluted hydrochloric acid, or nitric acid, and slowly react with concentrated sulfuric acid or hydrochloric acid under heating. For sintered Neodymium magnet, some users may be confusing the tin plating with Titanium Nitride (TiN) coating, therefore, tin plated Neodymium magnets can be also indicated as Sn plated Neodymium magnets. Tin plated Neodymium magnet commonly has an sub-layer of Ni-Cu-Ni. Besides decorative and accessory purpose, tin plated Neodymium magnets are also suits for applications in a wet environment or increased adhesive property.
