Kiln
Color |
Cone |
°F |
°C |
Notes |
white |
14 |
2552° |
1400° |
Porcelain.
|
bright yellow-white
|
10 |
2372° |
1300°
|
High-fire/Stoneware:
cone 8-10
Above 1250°C the glow in the kiln is intense, making it difficult to see inside the kiln. |
high yellow
|
6 |
2192° |
1200° |
Mid-fire
pottery: cone 2-7 |
yellow
|
03 |
2012° |
1100° |
Low-fire/Earthenware:
cone 08-1
|
yellow-
orange |
06 |
1832° |
1000° |
Minimum temperature for oxidising atmosphere inside kiln. Silver melts at 960°C. |
orange
|
010 |
1652° |
900° |
Clay
particles beginning to vitrify.
Bisque is between 900°C and 1000°C.
|
bright cherry red
|
015 |
1472° |
800° |
The glowing hot coals of a campfire reach this temperature. Enamel kilns are fired to between 750°C and 850°C. |
cherry red
|
018 |
1292° |
700° |
Between 700° and 800° the substances of carbon and sulphur are burned off, giving a strong smell. |
dull
red
|
|
1112° |
600° |
A dull red color is visible. |
color visible
|
|
932° |
500° |
At 573°C, a reaction called quartz inversion in both heating and cooling stages takes place. |
|
|
752° |
400° |
Although
the pots are dry to touch when put in the kiln, trapped in the clay is
chemically combined water, and this is driven off between 350-500°C |
|
|
572° |
300° |
Kitchen stoves only get this hot. |
.
|
|
392° |
200° |
Vegetable matter, such as grass or paper, is burned off as smoke. |
dark
|
|
212° |
100° |
Water boils and vaporises into steam. |