25
Appendix B: Cone Fire Temperature Profiles
Firing Profiles for Cone 04, Temperature 1945°F (1063°C)
Ceramics – Slow (Bisc Hand Thrown)
Ceramics –
Medium (Glaze Larger Pieces or Bisc Thin)
Segment
Rate/hr
Temperature
Stage Time
Segment
Rate/hr
Temperature
Stage Time
1
80
250
2.25
1
150
250
1.20
2
200
1000
3.75
2
400
1695
3.61
3
100
1100
1.00
3
120
1945
2.08
4
180
1695
3.31
5
80
1945
3.13
Total Firing Time:
13 hrs. 26 min.
Total Firing Time:
6 hrs. 54 min.
Ceramics – MedSlo (Bisc Medium Pieces)
Ceramics – Fast (Glaze Thin Pieces)
Segment
Rate/hr
Temperature
Stage Time
Segment
Rate/hr
Temperature
Stage Time
1
120
250
1.50
1
570
1695
2.85
2
300
1000
2.50
2
200
1945
1.25
3
150
1100
0.67
4
225
1695
2.64
5
108
1945
2.31
Total Firing Time:
9 hrs. 38 min.
Total Firing Time:
4 hrs. 6 min.
Firing Profiles for Cone 6, Temperature 2232°F (1222°C)
Ceramics – Slow (Bisc Hand Thrown)
Ceramics –
Medium (Glaze Larger Pieces or Bisc Thin)
Segment
Rate/hr
Temperature
Stage Time
Segment
Rate/hr
Temperature
Stage Time
1
80
250
2.25
1
150
250
1.20
2
200
1000
3.75
2
400
1982
4.33
3
100
1100
1.00
3
120
2232
2.08
4
180
1982
4.90
5
80
2232
3.13
Total Firing Time:
15 hrs. 2 min.
Total Firing Time:
7 hrs. 37 min.
Ceramics – MedSlo (Bisc Medium Pieces)
Ceramics – Fast (Glaze Thin Pieces)
Segment
Rate/hr
Temperature
Stage Time
Segment
Rate/hr
Temperature
Stage Time
1
120
250
1.50
1
570
1982
3.35
2
300
1000
2.50
2
200
2232
1.25
3
150
1100
0.67
4
225
1982
3.92
5
108
2232
2.31
Total Firing Time:
10 hrs. 54 min.
Total Firing Time:
4 hrs. 36 min.
