|Monthly Tech-Tip |
From page 139 in Crystal Glazes book 2.
|1||100°C/hr to 250C||180°F/hr to 482F||2:32|
|2||250°C/hr to 500C||450°F/hr to 932F||3:32|
|3||500°C/hr to 1221C||900°F/hr to 2229F||4:58|
|4||999°C/hr to 1075C||1798°F/hr to 1967F||15min||5:22|
|5||100°C/hr to 1100C||180°F/hr to 2012F||15min||5:52|
|6||100°C/hr to 1075C||180°F/hr to 1967F||15min||6:22|
|7||100°C/hr to 1050C||180°F/hr to 1922F||15min||6:52|
|10||100°C/hr to 1075C||180°F/hr to 1967F||15min||7:22|
These Bory 1 crystals (colored with nickel, iron and cobalt) fired using the FSHP3 schedule. Rather than going to a temperature as fast as possible, the kiln climbs (whether going up or down) at a rate of 100° per hour.
BORY1 - Bory 1 Crystalline Glaze
Cone 6-10 - Added Gerstley Borate lowers temperature to cone 6, titanium to seed crystals
|By Tony Hansen|
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