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

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Hard-Anodized Cookware Coating

2003

Dear sir/madam:

I was given as a gift a hard-anodized aluminum pot. I was wondering what is the standard thickness of the coating on hard anodized cookware and how resilient it is, since I normally don't use aluminum cookware for health reasons.

Thanks,

Lahat Elishkeviz
- Vancouver B.C Canada

The coating can be non-destructively measured with an eddy-current gauge, but a good bet is that it's over .001" and not over .002" thick. The thing is, though, the coating is aluminum oxide. If you really must swear off aluminum, trade it in for cookware with a stainless steel skin and aluminum core.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

2002

Please advise if there is any FDA or ASTM Standard for Hard Anodizing using in cooking pot?

Best Regards,

Alex Au
- Hong Kong

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