815C (1499F)
Comparison of frit melts at 1500F
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Melt fluidity comparison of frits - 1500F

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Fired at 350F/hr to 1500F and held for 15 minutes. Frit 3134 is still expanding. 3602 and FZ16 are really starting to move. 3195, F38 and F15 are softening.