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This is a sintered metal under extreme pressure with a binder of silver or cobalt melted into the matrix after forming in a kiln.
The binder concentration is about 15%
I work in industry with tungsten as a cutting tool
Question, the shrunken coin weighs what percentage of original?
Regards
Greg Jacob
Message Thread Shrinking - Greg Jacob 7/11/2021, 4:12 am
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