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Letter 31008 Selective conductive areas in anodized extrusion [Ohio]++++ I need some localised areas they remain conductive in an aluminum extrusion after anodizing. Can I press-fit a "washer" into the extrusion that is plated with a material that is inert to the anodizing process in order to leave a conductive contact area within the anodized part? Mike Stickelman
++++ Yes, that's one way. Tapes, waxes, dipping compounds, caps and plugs are all possibilities. However, you may have a corrosion issue in that area, and unprotected aluminum will oxidize anyway, rendering it non-conductive. So the real answer is that you probably need to either chromate conversion coat or electroless nickel plate that area.
Dear Reader: please choose what you want to do--
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