FSHP3 Firing Schedule

Shimbo Crystal Holding Pattern 3

These Bory 1 crystals (colored with nickel, iron and cobalt) were grown with the same target temperatures as those in the holding pattern 2, but rather than going to a temperature as fast as possible, the kiln was instructed to get to each temperature (whether going up or down) at a rate of 100° per hour.

Step	°C	°F	Hold	Time
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 1260C	900°F/hr to 2300F		5:03
4	999°C/hr to 1075C	1798°F/hr to 1967F	15min	5:29
5	100°C/hr to 1100C	180°F/hr to 2012F	15min	5:59
6	100°C/hr to 1075C	180°F/hr to 1967F	15min	6:29
7	100°C/hr to 1050C	180°F/hr to 1922F	15min	6:59
10	100°C/hr to 1075C	180°F/hr to 1967F	15min	7:29

Start temperature assumed: 25°C or 75°F
"Fahrenheit degrees" is not the same as "degrees Fahrenheit". A 100° reading on a Fahrenheit thermometer is equal to a 37° reading on a Celcius thermometer. But "100 Fahrenheit degrees of temperature change" is equivalent "55 Celsius degrees of change". That is an important distinction to understand the above temperature conversions.

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Firing Schedules	Shimbo Crystal Holding Pattern 2 Electric firing: Crystal Glazes 2 by Fara Shimbo (page 138)
Recipes	B1 - Bory 1 Fara Shimbo Crystalline Glaze High Boron, Opaque Cone 6-10 glaze
Typecodes	Oxidation Firing

By Tony Hansen

FSHP3 Firing Schedule

Shimbo Crystal Holding Pattern 3

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