All Firing Schedules

C6PLST Firing Schedule

Plainsman Cone 6 Electric Standard

Typically we use an exhaust fan for a couple of hours at start of firing. Kilns are fairly empty, mainly test bars. Pieces in the kiln have not been bisque fired and are generally not glazed.

If the kiln is full, we lengthen the first step hold time to drive out all residual water from body and glaze.

We always include a self supporting cone. If the cone does not fall the correct amount, we adjust the firing schedule for next time.

Step	°C	°F	Hold	Time
1	55°C/hr to 121C	100°F/hr to 250F	60min	2:45
2	1944°C/hr to 1148C	3500°F/hr to 2100F	0	3:16
3	60°C/hr to 1204C	108°F/hr to 2200F	10min	4:22

Related Information

Links

Recipes	GR6-H - Ravenscrag Cone 6 Oatmeal Matte Plainsman Cone 6 Ravenscrag Slip glaze. See more at ravenscrag.com.
Recipes	G1214M - Original Cone 6 Base Glossy Glaze A recipe developed by Tony Hansen in the 1980s. Its was popular because of the simplicity of the recipe and how well it worked with chrome-tin stains.
Recipes	G1215U - Low Expansion Glossy Clear Cone 6 A recipe sourcing high MgO (from Ferro Frit 3249) to produce a low expansion glass resistant to crazing on lower silica porcelains.
Recipes	G2587 - Floating Blue Cone 5-6 Original Glaze Recipe Floating Blue is a classic cone 6 pottery glaze recipe from David Shaner. Because of the high Gerstley Borate content it is troublesome, difficult. But there are alternatives.
Recipes	G1214W - Cone 6 Transparent Base A cone 6 base clear glaze recipe developed by deriving a recipe from a formula taken as an average of limit formulas
Recipes	g2851H - Ravenscrag Cone 6 High Calcium Matte Blue Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
Recipes	GR6-C - Ravenscrag Cone 6 White Glossy Plainsman Cone 6 Ravenscrag Slip based white glossy glaze. It can be found among others at http://ravenscrag.com.
Recipes	GR6-D - Ravenscrag Cone 6 Glossy Black
Recipes	GA6-G1 - Alberta Slip Lithium Brown Cone 6 Low Expansion Plainsman Cone 6 Alberta Slip based glaze. It can be found among others at http://albertaslip.com.
Recipes	GA6-A - Alberta Slip Cone 6 Amber Base Glaze An amber-colored glaze that produces a clean, micro bubble free transparent glass on brown and red burning stonewares.
Recipes	GR6-B - Ravenscrag Cone 6 Variegated Light Glossy Blue Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
Recipes	GR6-F - Ravenscrag Cone 6 High Alumina Matte Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
Recipes	GR6-E - Ravenscrag Cone 6 Raspberry Glossy A chrome-tin burgundy glaze using the Ravenscrag cone 6 base recipe.
Recipes	GA6-G - Alberta Slip Lithium Brown Cone 6 Plainsman Cone 6 Alberta Slip based glaze. It can be found among others at http://albertaslip.com.
Recipes	GR6-A - Ravenscrag Cone 6 Clear Glossy Base This Plainsman Cone 6 Ravenscrag Slip base is just the pure material with 20% added frit to make it melt to a glossy natural clear.
Recipes	G1214Z - Cone 6 Silky Matte This glaze was born as a demonstration of how to use chemistry to convert a glossy cone 6 glaze into a matte.
Recipes	G2928C - Ravenscrag Silky Matte for Cone 6 Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
Typecodes	Oxidation Firing
Firing Schedules	Plainsman Cone 6 Slow Cool (Reactive glazes)
Firing Schedules	Plainsman Electric Bisque Firing Schedule Three-step to 1832F

By Tony Hansen

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