Below is a list of Tin Plating manufacturers from Westbrook, Maine. Tin plating is the deposition of tin onto another material’s surface, both ferrous and non-ferrous, in order to provide increased protection from harsh conditions. Tin is defined as a silver-colored metallic element that is used in many alloys for its advantageous characteristics. Some of these beneficial characteristics of tin, particularly as a plating material, include its non-toxicity, high ductility and high corrosion-resistance.