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Metal finishing Q&As since 1989
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What is the Alcoa Alumilite 226 process?
Q. Where can I obtain a list of the QPL processors for Alumilite 226?
Susan Gailey- San Antonio, Texas
April 12, 2021
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Q. I have a customer looking for hardcoat anodize per Alcoa Alumilite 226. I cannot find anything on search engines or in the Metal Finishing Guidebook. Has anyone heard of it?
Jennifer MassePlating shop employee - Buffalo, New York
2007
A. The Aluminum Anodizers Council has some info on the ALCOA NOMENCLATURE SYSTEM:
http://www.anodizing.org/html/bulletin_2.html
"Alumilite 225 and 226 finishes are produced at 36 amps per square foot in an electrolyte of 12-percent sulfuric acid and one-percent oxalic acid at a temperature of 50 °F. These finishes are not sealed unless they are dyed." Anodizing for 40 minutes gives a coating thickness of 2 mils for Alumilite 226.
- Goleta, California
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Rest in peace, Ken. Thank you for your hard work which the finishing world, and we at finishing.com, continue to benefit from.
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Ed. note: April 2021: The page that Ken referred to has been moved to:
https://www.anodizing.org/page/alcoa-nomenclature-system
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