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Old 2015-04-26, 9:39am
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glassmaker glassmaker is offline
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Join Date: Apr 02, 2007
Location: Atlanta, GA
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Essentially the same glass as Kimble R6, which has a COE of 93 from 20-300C and an annealing point of 522C (971F). Should have pretty good compatibility with most German colored furnace rods (Kugler, etc.) except for cadmium-selenium colors. Cadmium-selenium colors encompass a range from yellow/orange/red.
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