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Old 2021-10-20, 10:27am
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Speedslug Speedslug is offline
Join Date: Mar 21, 2009
Location: Winnebago, MN
Posts: 2,489

In my experience, white has always "acted like a softer glass" even though it is the same coe group.

I suggest a small core of the clear with a covering of the white then encase it in clear.
It should give you the white color core you are after without having the the stress develop in the bead quite as much.

And really concentrate on the transition flame anneal before garaging it in the kiln. Insurance heat and dedicated heat control as well.

Good Luck.
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