Thread: Kugler cullet
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Old 01-16-2019, 02:56 PM
Dan Vanantwerp
Posts: n/a
This is from Dave Bross in an older post. It's not the formula, but an analysis and I've read elsewhere that it was near 1%. That's a lotta lithium.

An aggressive melting flux not affecting crystalline formation? Hmmm...

Just so you have them for comparison, here's what Corning's percentage analysis came up with for SP 87. THe numbers are from Frank Wooleys book, Glass Technology for the Studio:

Measured expansion: 94.9
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