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topic 0155

Wiping medical implants after passivation

A discussion started in 1996.
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Hello, I am currently working for a company that designs and manufactures medical bone implants made of 316 Stainless Steel. The implants are buffed, electropolished, measured, passivated and inspected.

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As part of the Q.A. department, I am interested in the "cloth" that we should be using to properly wipe these parts after passivating, so as not to scratch them. We are currently using "paper towel" which I believe to be detrimental to these plates. Any suggestions would be greatly appreciated. Thank you, Teal Renals

Allen King

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I don't think you need to worry about damaging the "plating" on stainless steel devices. Electropolishing and passivating do not leave a coating, rather they can be considered to be cleaning and/or metal removal processes. By the way, if the parts have been electropolished they probably do not even need the passivating.

Bill Vins in sunny Mesa (what a place-a) Arizona

bill vins
Bill Vins
microwave & cable assemblies
Mesa (what a place-a), Arizona 

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