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Old 2019-04-22, 9:28am
The Grinch The Grinch is offline
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Join Date: Apr 11, 2019
Location: Nc
Posts: 3

Originally Posted by Eileen View Post
And you anneal boro at 1050, and remember the rule about thickness, so marbles for example you need to add time. I think it is 15 minutes per 1/4" of thickness, but I am not sure.
15 min at 1050 per mm of thickness I believe is the rule
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