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50-250C (122-482F) | 80-250C (176-482F) | 120C (248F) | 150C (302F) | 180C (356F) | 185C (365F) | 200-1000C (392-1832F) | 200-450C (392-842F) | 200C (392F) | 210-280C (410-536F) | 260C (500F) | 290C (554F) | 300C (572F) | 300-330C (572-626F) | 300C (572F) | 370C (698F) | 370-700C (698-1292F) | 400-600C (752-1112F) | 400C (752F) | 425-650C (797-1202F) | 500-600C (932-1112F) | 512C (953F) | 535C (995F) | 540-600C (1004-1112F) | 650-900C (1202-1652F) | 750-850C (1382-1562F) | 750-1000C (1382-1832F) | 760C (1400F) | 760C (1400F) | 787C (1448F) | 800-1100C (1472-2012F) | 815C (1499F) | 815C (1499F) | | 850-950C (1562-1742F) | 850C (1562F) | 850C (1562F) | 870-900C (1598-1652F) | 871C (1599F) | 900C (1652F) | 900-1000C (1652-1832F) | 900C (1652F) | 926C (1698F) | 932C (1709F) | 954C (1749F) | 980C (1796F) | 982C (1799F) | 990C (1814F) | 1025-1325C (1877-2417F) | 1025C (1877F) | 1050C (1922F) | 1050C (1922F) | 1065-1120C (1949-2048F) | 1082C (1979F) | 1100C (2012F) | 1100C (2012F) | 1100C (2012F) | 1100C (2012F) | 1300C (2372F) | 1325C (2417F) | 1330C (2426F) | 1360C (2480F) | 1418-1428C (2584-2602F) | 1420C (2588F) | 1510C (2750F) | 1550C (2822F) | 1565C (2849F) | 1650C (3002F) | 1785C (3245F) | 1990C (3614F) | 2300C (4172F) | 2320C (4208F)

843C (1549F)

Comparison of frit melts at 1550F

Related Information

Melt fluidity comparison of frits - 1550F


Fired at 350F/hr to 1550F and held for 15 minutes. Frit 3134 is still expanding. 3602 and FZ16 are going to be off-ramp by next firing.

At 1550F Gerstley Borate suddenly shrinks!


These GBMF test balls were fired at 1550F and were the same size to start. The Gerstley Borate has suddenly shrunk dramatically in the last 40 degrees (and will shrink even more and then suddenly melt down flat within the next 50). The talc is still refractory, the Ferro Frit 3124 slowly softens across a wide temperature range. The frit and Gerstley Borate are always fluxes, the talc is a flux under certain circumstances.

By Tony Hansen
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