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03DSFF - Cone 03 Fast Fire
04DSDH - Low Temperature Drop-and-Hold
BQ1000 - Plainsman Electric Bisque Firing Schedule
BTFB04 - Bartlett Fast Bisque Cone 04
BTSG05 - Bartlett Slow Glaze Cone 05
C04PLTP - Plainsman Typical Cone 04
C10RPL - Plainsman Cone 10R Firing
C5DHSC - Plainsman Cone 5 Drop-and-Hold Slow-Cool
C6DHSC - Plainsman Cone 6 Slow Cool (Reactive glazes)
C6MSGL1 - Mastering Glazes Cone 6
C6PLST - Plainsman Cone 6 Electric Standard
FSCG1 - Shimbo Crystal Schedule 1
FSCGB1 - Bory 1 Fara Shimbo Crystalline Glaze
FSCGCL - Celestite
FSCGWM - Wollast-O-Matte Fara Shimbo Crystalline Glaze
FSCRGL - GC106 Base for Crystalline Glazes
FSHP1 - Shimbo Crystal Holding Pattern 1
FSHP2 - Shimbo Crystal Holding Pattern 2

FSNM5 - Fa's Number Five
PLC6CR - Cone 6 Crystal Glaze Plainsman
PLC6DS - Cone 6 Drop-and-Soak Firing Schedule

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.

Related Information


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

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