Anodizing involves the formation of a protective aluminum oxide film on the aluminum surface, by means of an electro-chemical process, giving it a hard, durable, non-toxic and easily maintained surface. The material goes through a variety of chemical baths used for cleaning and preparing of the surface before anodizing. In the anodizing tanks the parts receive an electrical current of between 10 and 15 Amps per sq. ft.  If required, a second electro-chemical treatment can be applied to create rich colours within the colourless anodic coating. Finally, the parts are sealed to lock in any colour and keep out any staining or dirt.

The different anodic finishes available are: clear No 510, which conforms to the standard AA-M12-C22-A31 Classe II (10 microns); clear No. 518, conforms to the standard AA-M12-C22-A41 Classe I (18 microns); or ANOSPEC: champagne No. 541, light bronze  No. 543, architectural bronze  No. 546, or black No. 549; all conforming to AA-M12-C22-A44 .

Once again, Prevost's innovative spirit is at your service with our new state of the art anodizing facilities. Our large-size baths make it possible to anodize up to 9.6 m in length.

Also available are painted finishes from suppliers such as PPG and VALSPAR meeting  AAMA 2603, AAMA 2604 and AAMA 2605 standards.
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