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Ted Mooney, P.E. RET
Pine Beach, NJ

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Anodized Aluminum vs. Hydrated Lime

What is the corrosion resistance of anodized aluminum to hydrated lime [affil links] over time? The aluminum will not be immersed in the lime but there is potential for the lime to mix with moisture and then come in contact with the anodized aluminum. The anodized aluminum will normally be placed directly on a concrete floor and be in contact with powdercoated steel and and plated zinc bolts.

Mike Townsend
- San Francisco, California, USA
2000

The choice would be fair. It will very probably degrade with time. The amount of moisture and the amount of lime will be the determining factor.

Why not powdercoat the anodized material that might come in contact with the two chemicals.

James Watts
- Navarre, Florida
2000

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