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Industry News

Category: Passivation

Is passivation conductive?

Passivation is conductive and has a constant electrical resistance. Passivated metal raises the content of chromium at the surface, which gives it a high affinity for oxygen. The thin oxidized layer produced by the reaction allows the metal to retain…

Can steel be passivated?

Steel can be passivated using nitric acid, or less commonly, citric acid. It is common practice to use passivation on stainless steel for various applications. Passivation is a flexible process that can be applied to steel of almost any size…

Can aluminum be passivated?

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Aluminum can and should be passivated when corrosion is a concern. Aluminum doesn’t have the same inherent protective properties as stainless steel, so a passivation treatment can provide many benefits here.

What chemical is used for passivation?

Passivation uses nitric acid, and less commonly, citric acid to treat metal. Nitric acid is suitable for many grades of stainless steel, titanium, and aluminum but can also be adjusted when there is a higher risk of flash attacks. Flash attacks…

Is passivation a coating?

Passivation produces a thin but durable protective coating over metal. Passivation selectively removes free iron from its surface and leaves behind a layer of oxidative metals like chromium or nickel. This means the coating produced by passivation is formed due…