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topic 2131

"202 clear anodize"


We had a customer request a job, defining it as "202 clear anodize". Is anyone familiar with this particular aluminum anodizing specification?

Mike Solvie


202 Anodize refers to an AA Aluminum Association Spec

David A. Kraft
- Long Island City, New York


Alumilite 202 is an Alcoa designation for a 0.3 mil thick, clear anodic coating with a boiling water seal.

Chris Jurey, Past-President IHAA
Luke Engineering & Mfg. Co. Inc.
supporting advertiser
Wadsworth, Ohio

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Back in the 50's & 60's ALCOA promoted a licensing system called Alumilite, and they orignated the 2xx numbering system. The 204 and 215 which Mr. Kraft cites from the Aluminum Association pretty much follow the orginal Alumilite 204 and 215. According to an ALCOA reprint I have from 1965, the Alumilite 202 called for 0.3 mils of anodize with a boiling hot water seal.

phil johnson
Phil Johnson
- Madison Heights, Michigan

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