On Fri, 23 Dec 2005 03:24:56 GMT, Russ wrote:

Hi Myron, how are you these days? If I recall, bentonite is used in
the oil patch as a slurry to seal the drill hole. It is called
drilling mud in that context. It should be pretty cheap!

It is also used in sand foundries in their molding sand.

Danny, K6MHE




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