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Chromate conversion coating or alodine coating is a type of conversion coating used to passivate steel, aluminium, zinc, cadmium, copper, silver, titanium, magnesium, and tin alloys. [ 1 ] : p.1265 [ 2 ] The coating serves as a corrosion inhibitor , as a primer to improve the adherence of paints and adhesives , [ 2 ] as a decorative finish, or ...
For the 1996 Summer Olympics, Erie Plating Company provided metal finishing services for the 10,000+ Olympic torches manufactured by the American Meter Company, also headquartered in Erie, Pennsylvania. Each torch weighed about 3.5 pounds (1.6 kg) and was made primarily of aluminum, with a Georgia pecan wood handle and gold ornamentation. [10] [11]
Brazing fillers which contain cadmium should be handled with care. Serious toxicity problems have resulted from long-term exposure to cadmium plating baths. Workers can be exposed to cadmium in air from the smelting and refining of metals, or from the air in plants that make cadmium products such as batteries, coatings, or plastics. Workers can ...
Cadmium occurs as a minor component in most zinc ores and is a byproduct of zinc production. It was used for a long time in the 1900s as a corrosion-resistant plating on steel, and cadmium compounds are used as red, orange, and yellow pigments, to color glass, and to stabilize plastic.
The first licensed product introduced into the market was an organic brightener for Cadmium plating. During the 1960s, Continentale Parker specialized in the Plating of precious metals due to the distribution of Sel-Rex processes of Nutley (NJ, USA). [5]
Cadmium chromate is the inorganic compound with the formula CdCrO 4. It is relevant to chromate conversion coating , which is used to passivate common metal alloys such as aluminium , zinc , cadmium , copper , silver , magnesium , and tin . [ 2 ]