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Kiln Notes

Temperature range

1200°C to 1320°C typical electric - most max out at 1288°C (cone 10)

Cone to Temperature

Cone number	60°C/hour	150°C/hour
019	676°C	693°C
018	712°C	732°C
017	736°C	761°C
016	769°C	794°C
015	788°C	816°C
014	807°C	836°C
013	837°C	859°C
012	858°C	880°C
011	873°C	892°C
010	898°C	913°C
09	917°C	928°C
08	942°C	954°C
07	973°C	985°C
06	995°C	1011°C
05	1030°C	1046°C
04	1060°C	1070°C
03	1086°C	1101°C
02	1101°C	1120°C
01	1117°C	1137°C
1	1136°C	1154°C
2	1142°C	1162°C
3	1152°C	1168°C
4	1160°C	1181°C
5	1184°C	1205°C
6	1220°C	1241°C
7	1237°C	1255°C
8	1247°C	1269°C
9	1257°C	1278°C
10	1282°C	1303°C
11	1293°C	1312°C
12	1304°C	1324°C

Porcelain

Bisque Firing: usually done between 955°C and 1060°C (Cone 08-04)

Glaze Firing between 1200°C and 1450°C

Melting Copper

While one can melt copper under borax - it is hard on the graphite crucibles.