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The Seleco Process for Selective Electroless Plating on Plastics BASECOAT APPLICATION. The heart of the Seleco Process is the application of it's foundation, the proprietary technology we use to apply the basecoat. NO STRESS! Containing very little in the way of Volatile Organics, Seleco's basecoat provides virtually no stress on the molded housing or the environment. IT'S SELECTIVE! The basecoat is the roadmap for selectivity. Plating only occurs on the area of the part which receives the basecoat and the remainder of the part retains its as molded color and appearance. A LAYER OF PURE COPPER. After the basecoat is applied, the next step is the plating process applying a layer of one of the most conductive materials on earth, pure copper. Ranging from very thin to much thicker deposits, the copper is the soul of the Seleco Process. The conductivity of the copper provides the guaranteed shielding effectiveness. THE PROTECTION OF NICKEL. Because copper oxidizes when exposed to the atmosphere and this oxidation reduces the conductivity of the copper, a layer of nickel metal is deposited over the copper to protect it from oxidation and maintain the effectiveness of the shielding. The nickel protects the copper not only from oxidation but also from corrosion from other environmental factors.
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