Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Chemical film and anodizing

Is it chemical film per MIL-A-8625 / MIL-PRF-8625 [on DLA]c, class 3 also known clear anodize. thanks

MAH HOONGWAI
engineer - BUKIT MERTAJAM, PENANG, MALAYSIA
2004

No, Mr. Hoongwai, chemical film and clear anodize are different processes. Chemical film is a conductive chromate conversion coating of aluminum. Anodizing is a non-conductive electrolytic process which creates an aluminum oxide coating on the parts.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004

If you want a clear anodize, the corresponding MIL spec for the clear anodize is MIL-A-8625F Type II Class 1.

Jim Gorsich
Compton, California, USA
2004

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