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topic 11332

Nitinol Electropolishing

Heh people,

I am a chemical engineer with a medical device company in Ireland. We are interested in the area of Nitinol stent production. This for us would have to include electropolishing. I understand that Nitinol electropolishing is a difficult thing to master and that very few people attempt it. I presume this is due to difficulties in electrolyte composition. I know of one recommended electrolyte which is composed of methanol and sulfuric acid. To me, this seems like a dangerous arrangement of chemicals; the methanol being organic and the acid being an oxidiser.

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Could anyone who has used this arrangement please inform me of relevant safety procedures they employ. Is the solution proprietary or would we have to make it up from scratch and if so, what is the method for doing this safely. Are there any other suggested electrolytes we could use? Is the solution heated?

All help is greatly appreciated.

Best regards,

John Martyn
- Ireland


In order to polish Nitinol in environmentally safe solution, you need to use special polishing equipment.

Yes, we can help you in polishing Nitinol. Please visit our home page to see some description of the process.

Anna Berkovich
Russamer Labs
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Pittsburgh, Pennsylvania
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