Products Finishing

JAN 2013

Products Finishing magazine is the No. 1 industrial finishing publication in the world. We keep our readers informed about the latest news and trends in plating, painting, powder coating, anodizing, electrocoating, parts cleaning, and pretreatment.

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its color despite some wear,��� says Marc Aleksinas of Metal Chem. The company���s Meta-Black EN was developed as a room-temperature post dip designed to blacken mid-phos Metal Chem electroless nickel. Aleksinas says Meta-Black EN creates a thin black nickel oxide film that is free of loose smut and maintains integrity for more than 50 hrs neutral salt spray exposure (ASTM B117). A typical process cycle includes: 1. Electroless nickel plating using Meta-Plate Ultima MP EN, 0.5-1.0 mil 2. 2x clean rinse (DI preferred) 3. Meta-Black EN, 75��F for 45-150 sec 4. 2x clean rinse (DI preferred) 5. Dry ���Adding a baking step can improve hardness and wear resistance of the Meta-Black EN,��� Beavers says. ���Also, clear topcoats can provide better corrosion protection and wear resistance as needed.��� Beavers and Hunter Cutchin discovered during testing that the black coating can be affected by substrate metal and surface conditions. ���However, length of Cutchin and Palmetto specialize in unique and oversize parts, which often requires building special tanks. pfonline.com 15

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