Bisque Firing Temperature Ceramic Cone Chart

In low fire the bisque temperature is usually hotter than the firing temperature.
Bisque firing temperature ceramic cone chart. Low fire white terra cotta is generally bisque fired at cone 02 to 1. Raku clay is usually bisque fired to cone 04 to 1 clays that are to have crystalline glazes should be bisque fired slightly higher than normal i e. Yellow yellow orange orange red orange cherry red dull red dark red dull red glow black firing converts ceramic work. Stoneware glaze some decals fire to cone 10.
This deforming action allows the kiln to shut off automatically at the pr. However as stated above other potters choose to bisque fire at other temperatures. The reason for this is to make sure all the carbon and other materials in the clay burn out during the bisque firing. Download complete orton cone wall chart here.
They recommend a cone 04 bisque fire regardless of what clay and glaze you are using. Generally bisque firing is done between cone 08 and cone 04 no matter what the maturation temperature of the clay and of the glazes that will be used later. 13 to 42 used for firing industrial products up to 3659f 2015c. 2192 1200 mid range glaze.
The temperature equivalent range is approximately 2175 2345f 1180 to 1340c. Cone temperature conversion chart. For example most commercial glazes recommend bisque firing to cone 04 and glaze firing to cone 06 which is cooler. Sometimes doing their first fire as low as 010.
Cone 015 1 average cone 04. Cone 8 10 average cone10. At the same time the clay body still is quite porous and absorbent. Your ceramic ware provider can provide guidance on which cone to fire to for your specific ware.
Kiln firing chart temperature c f 1400 2552 1300 2372 1200 2192 1100 2012 1000 1832 900 0111652 800 1472 700 0191292 600 1112 500 932 400 752 300 572 200 392 100 212 cone approx 14 13 12 11 10 9 8 7 6 5 4 3 2 01 02 03. A body clay with underglaze can be bisque fired at cone 4 to 6 then have a low fire glaze firing at cone 06 to 04. Transformation of ceramic materials by heat. Ceramic ware is most often fired to a cone as opposed to a temperature.
1950 1100 low fire earthenware. Ware and glaze types. 2380 1300 high fire stoneware. What temperature should a bisque firing go to.
Here is the orton cone temperature chart.