Frequently Asked Questions About Electropolishing

May 7, 2019

Did you know you can perform vessel reconditioning on-site? There are several reasons to evaluate this process. On-site reconditioning reduces downtime when you compare it to the replacement of a vessel. It doesn’t require re-validation of the vessel since you only need to treat the surface of the existing vessel. You can monitor the progress…

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What is Passivation?

August 12, 2015

What is the Passivation Process? As defined in MIL-STD-753C, the Passivation process is the final treatment/cleaning process used to remove iron from the surface of corrosion resistant steel parts such that a more uniform formation of a passive surface is obtained thus enhancing corrosion resistance. Stainless steel is different from other metals in that as you…

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Ask expert, Daryl Roll, P.E., your cleaning & passivation, chemical processing or corrosion control questions on his new blog today!

July 8, 2014

Passivation is an acid treatment process that yields improved corrosion resistance to stainless steel surfaces. Passivation may also be used on other materials where removing iron from the surface is required or beneficial. Astro Pak Corporation has over 50 years of experience in Passivation, precision cleaning and cleanroom operations. Astro Pak’s extensive scientific research developed…

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Posted by Daryl L. Roll Category: Polishing