METAL FINISHING EQUIPMENT

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Bright Dipping Copper Alloys

Bright dipping is a general term referring to the chemical removal of oxides and surface imperfections in order to increase the reflectivity and activity of a metallic surface.  Surface oxides such as carbon scale are removed and a highly active polished surface remains, which makes bright dipping an effective pretreatment prior to plating.  In the past hazardous chemicals have been used to bright dip copper and brass, but today there are more environmentally friendly alternatives such as Aquapolish®.

Blends of strong acids are still used in the bright dipping of aluminum, so many have looked to Aluminum Electropolishing as an alternative.

Other metals that are commonly bright dipped include zinc die castings and stainless steel, as well as zinc plated deposits prior to chromating.   

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