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topic 4289

Anodized Aluminum vs. Hydrated Lime


What is the corrosion resistance of anodized aluminum to hydrated lime [linked by editor to product info at Amazon] 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


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

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