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topic 5733

Chromic Anodize Sealing


(2000)

What is the better sealant for chromic anodize, hot water or sodium dichromate?

I have heard hot water.

Garry Pickett
aerospace - Los Angeles, California


(2000)

I used to run Salt Spray Tests on plates that were chromic anodized and I noticed faster discoloration with DI water sealing than with dichromate.

Some say dichromate sealing reduces fatigue strength.

Dado Macapagal
Quality Anodizing - Toronto, Ont, Canada


(2000)

DI water are better sealing provide they are with very low conductivity and silica. The water should be tested daily as they become contaminated very fast.

Moshe Yaakov
- Israel



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