BQ1000 - Plainsman Electric Bisque Firing Schedule
C04PLTP - Plainsman Typical Cone 04
C10RPL - Plainsman Cone 10R Firing
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

FSHP3 - Shimbo Crystal Holding Pattern 3
FSNM5 - Fa's Number Five
PLC6CR - Cone 6 Crystal Glaze Plainsman
PLC6DS - Cone 6 Drop-and-Soak Firing Schedule
PLLFDS - Low Fire Drop-and-Hold

FSHP2 Firing Schedule

Shimbo Crystal Holding Pattern 2

These manganese-colored Bory 1 crystals were grown on White Stallion porcelain.

By choosing carefully the point at which you hold (or don't hold)
your temperature, you can change the shape of the crystals you grow. At the high end, crystals tend to be acicular (needle-like). As the temperature is lowered through the growing range (something often referred to as a 'slant soak' the crystals 'fan out' and produce more variety of shape (as in Illustration 7.4). You can, if you like, hold your temperature at one point and get a crystal whose internal structure is very uniform, or allow the temperature to change and produce a more flower-like effect. Note also that the crystal color lightens as the temperature is lowered.

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  90min 6:44  
5 999°C/hr to 1100C  1798°F/hr to 2012F  15min 7:01  
6 999°C/hr to 1075C  1798°F/hr to 1967F    7:02  
10 999°C/hr to 1050C  1798°F/hr to 1922F  15min 7:19  
10 999°C/hr to 1075C  1798°F/hr to 1967F    7:20  
Start temperature assumed: 25°C or 75°F

Related Information

Links

Firing Schedules Shimbo Crystal Holding Pattern 1
Electric firing: Crystal Glazes 2 by Fara Shimbo (page 137)
Firing Schedules Shimbo Crystal Holding Pattern 3
Electric firing: Crystal Glazes 2 by Fara Shimbo (page 139)
Typecodes Oxidation Firing

By Tony Hansen


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