Firing Schedules

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Plainsman Cone 6 Electric Standard

Start temperature assumed: 75°F
Step Rate to Temp °C Rate
°F/hr
To °F Hold Accum
Time
1 55°C/hr to 104 100 220 60min 2:27  
2 166°C/hr to 945 300 1733 0 7:29  
3 60°C/hr to 1190 108 2175 15min 11:50  
4 83°C/hr to 1135 150 2075 30min 13:00  
*Rates are expressed as "Celcius/Fahrenheit degrees", temperatures as "Degrees celcius/fahrenheit"

This is for a Cone-Art 2818D kiln with an exhaust fan on at start of firing.

Use this for the best possible results for transparent glazes and glossy glazes where you do not want any crystallization.

If the kiln is full, lengthen the first step hold time to drive out all residual or remaining water from body and glaze (depending on the ventilation in your kiln). This schedule assumes that a good bisque has been done.

If Cone 6 has fallen too much drop the temperature for ramps 2 & 3 10 degrees F.

If cone 6 still does not completely fall (e.g. you fire heavy loads), increase the hold time in Step 3 by 5 minute increments.

Out Bound Links

In Bound Links

  • (Recipes) G2587 - Floating Blue Cone 5-6 (Gerstley Borate)
    A classic recipe from David Shaner. It is a brilliant highly variegated blue.
    2004-03-12 - This glaze has its own page at www.gerstleyborate....
  • (Recipes) GR6-D - Ravenscrag Cone 6 Glossy Black
    Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
    2005-02-21 - Every potter wants a good reliable glossy black gl...
  • (Recipes) GR6-C - Ravenscrag Cone 6 White Glossy
    Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.
    2005-02-21 - A white base glaze with all the advantages of Rave...
  • (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.
    2003-12-18 - The original impetus to create this recipe was to ...
  • (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.
    2003-12-17 - This is also known as the 20x5 recipe. It was deve...
  • (Recipes) GA6-A - Alberta Slip Cone 6 Amber Base Glaze
    An amber-colored transparent glaze that works better on brown and red burning stonewares than typical transparent glazes.
    2003-12-12 - Covers very well to produce a transparent amber gl...
  • (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.
    0000-00-00 - This produces a variegated light medium blue glaze...
  • (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.
    2003-12-18 - This glaze is temperature sensitive. It requires ...
  • (Schedules - Related) Plainsman Bisque Firing Schedule - UnDescribed
  • (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.
    2003-06-10 - See the article link for more information. This...
  • (Recipes) GR6-A - Ravenscrag Cone 6 Clear Glossy Base
    This Plainsman Cone 6 Ravenscrag Slip base it just the pure material with 20% added frit.
    2003-07-21 - This is the base cone 6 Ravenscrag recipe, it fire...
  • (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.
    2003-12-12 - One of the most popular Albany Slip glazes was 11%...
  • (Recipes) GR6-E - Ravenscrag Cone 6 Raspberry Glossy
    A chrome-tin burgundy glaze using the Ravenscrag cone 6 base recipe.
    2005-02-21 - Chrome-tin (either from the raw materials or a sta...
  • (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.
    2003-12-18 - This is a high alumina matte glaze and is a favori...
  • (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
    2003-06-21 - More information is available in the articles sect...
  • (Recipes) GR6-H - Ravenscrag Cone 6 Oatmeal Matte
    Plainsman Cone 6 Ravenscrag Slip glaze. See more at ravenscrag.com.
    2003-07-21 - Note: For use as a straight glaze We are recomm...
  • (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.
    2013-06-04 - The regular Alberta Slip lithium brown recipe craz...
  • (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.
    2014-02-20 - This works well on Plainsman M340, but especially ...
  • (Recipes) G2926B - Plainsman Cone 6 M370 Glossy Transparent Liner
    A base transparent glaze recipe created by Tony Hansen for Plainsman Clays, it fires high gloss and ultra clear with low melt mobility.
    2014-02-06 - This is an adjustment to an original recipe named ...

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