Letter 582

Seeking Black Diamond Plating / Diamond Black Plating

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Hi,

We are looking for a black finish that looks like a black nickel finish and is called "Black Diamond".

Does anyone know about it, if so where can it be found ?

Many thanks.

Martin Bissonnette
plating shop - Lachenaie, Canada

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Diamond Black is a trade name for a sputter deposited thin film coating of boron carbide. Diamond Black, Inc., holds the patent and is being helped in this venture by Dow Chemical. DBI is located in Virginia and has a coating service established to promote the coating.

Supposedly Diamond Black coatings are used for wear and lubricity. We think or suspect that the thin film coating reacts with water in the air and forms soaps, which is the actual material that creates the lubricious surface.

Good luck.
Steve

Steve Schachameyer
Eaton Corporation - Milwaukee, Wisconsin

Ed. note: We advise with sadness that Mr. Schachameyer, a former AESF President, is now deceased.

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Hello Martin;

I believe that what you are seeking is "Diamond Black". It's a Boron Carbide ceramic coating that is known for it's wear and lubricity characteristics. Contact them at: Diamond Black, Conover NC.

I hope I was of assistance. If you know of a coating that works well with rubbers or thermosets, please let me know. Good Luck!!

Kevin Rice
- New Bedford, Massachusetts

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