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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Corncob vs. walnut Shell for tumble finishing?

Walnut Shell blasting media
walnut_media

on eBay or

Amazon

(affil links)

I have just bought a tumbler. I was wondering what kind of media is better corncob or walnut shell media ⇦ this on eBay or Amazon [affil links] . Also I have this Iosso case cleaner -- should I use this in addition to tumbling or do I not need it anymore.

Travis
- Mineral Point, Wisconsin
2003

2003

Hi, Travis. Both are widely used and it depends on what substrate you are treating and what finishing procedure you are trying to do. Walnut shells are a much harder media than corncobs. I think the walnut shell is more often for blasting and the corncob more often for tumbling.

Sorry, I'm not real familiar with Iosso case cleaner, but you should have some liquid involved in the tumbling, either the Iosso or treated corncob. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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