The tin plating process is used extensively to protect both ferrous and nonferrous surfaces.  Tin is a usefel metal for the food processing industry since it is non-toxic, ductile and corrosion resistant.  The excellent ductility of tin allows a tin coated base metal sheet to be formed into a variety of shapes without damage to the surface tin layer.  It provides sacrificial protection for copper, nickel and other non-ferrous metals, but not for steel.

Tin is also widely used in the electronics industry because of its ability to protect the base metal from oxidation thus preserving its solder ability.  In electronic applications, 3% to 7% lead may be added to improve solder ability and to prevent the growth of metallic “whiskers” in compression stressed deposits, which would otherwise cause electrical shorting.  However, RoHS (Restriction of Hazardous Substances) regulations enacted beginning in 2006 require that no lead be added intentionally and that the maximum percentage not exceed 1%.  Some exemptions have been issued to RoHS requirements in critical electronics applications due to failures which are known to have occurred as a result of tin whisker formation.

Why Cerakote?

Cerakote is the World Class Leader in thin film ceramic coating. They have taken the industry-leading performance of Cerakote H-Series to the next level and improved hardness, abrasion resistance, and lubricity, all in a thinner application. Cerakote has accomplished this by developing an advanced resin technology that enables the incorporation of the highest performance engineered ceramics.

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