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Old 2015-04-21, 8:32am
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whimzicalities whimzicalities is offline
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Join Date: Jun 05, 2005
Location: Aliquippa, PA
Posts: 1,174
Default Scientific glass questions

I was gifted a large amount of vintage scientific glass, all clear glass...over 200 lbs. Most of it is 6mm rod, but there's a fairly large amount of tubing as well. Labels indicate that the 6mm rod is Kimble brand flint glass (46480) which several people have said is COE 93. Some of the tubing (46470) was labeled and wrapped, but there is also some in diameters from 6mm to 13mm which is mixed in Fisher Scientific boxes.

I've spoken/messaged a number of glass folks who've worked with scientific glass and they suggest that it is soft glass, about COE 93, but I'm hoping for something more definitive regarding frit compatibility and annealing schedules. My kiln is currently programmed for 104. Anyone have any thoughts?

I'll be testing this at SGI and am hoping for more info to share with the folks I'll share the glass with...thanks in advance!



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