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Masking parts for black oxiding

February 21, 2013

Q. Is there a product available to mask areas of high speed steel parts prior to black oxiding?

Mike Biesecker
- Waynesboro, Pennsylvania

March 28, 2013

A. Not sure what your application is, but hard chrome plating isn't receptive to black oxide. We often selectively hard chrome areas which we can't have black oxide present.

Jeff Hanaway
- Meadville, Pennsylvania

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