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Old 2019-04-14, 7:41am
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DaveK
 
Join Date: Jul 03, 2013
Location: Eugene, Oregon
Posts: 289
Default What metal inclusions can I put in Boro ?

I put a coin in a marble once but got some cracking around the edge of the coin. I also did a brass screw. The trouble with encasing nonferrous metals is the melting point of the metals is below the melting point of glass.



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