The process is similar to traditional plating in that D.C. current is used to deposit metal onto a part in a liquid plating bath. Clear plastic resin is deposited onto the entire surface of the part during the E-Coat process. The parts are then rinsed and baked for 45 minutes at 300 degrees F. This results in a crystal clear, long-lasting coating that is 200 to 300 micro-inches thick and has a pencil hardness of at least 4h. The coating is extremely resistant to a wide range of chemicals, solvents, and detergents. E-Coat should have a shelf life of six to one year plus wear.
When considering E-Coat, keep some design constraints in mind. Many materials are unable to withstand the heat generated during the baking process. These may include any casting metals containing cadmium and / or less than 92% tin, and parts with epoxy, rubber, or natural stones. Any parts that are hollow and may trap E-Coat solution also may not work. Some styles of chain may become stiff and inflexible if E-Coated. E-Coat can only be applied in a rack process.
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