C6MSGL1 Firing Schedule

Mastering Glazes Cone 6

From page 144 in Mastering Glazes.
Step 1 provides time for all remaining or residual water in glaze and clay to evaporate.
Step 3 approaches the final temperature more slowly and gives the glaze and body time to finalize their interaction with each other.
Step 5: Cooling more slow through the 1025 down to 800 range is important if you want multiple phases or crystal (and associated matte) effects to develop.

Step	°C	°F	Hold	Time
1	55°C/hr to 105C	99°F/hr to 221F	60min	2:58
2	200°C/hr to 1080C	360°F/hr to 1976F	0	7:51
3	85°C/hr to 1200C	153°F/hr to 2192F	15min	9:30
4	275°C/hr to 1000C	495°F/hr to 1832F	0	10:14
5	70°C/hr to 760C	126°F/hr to 1400F	0	13:40
6	0°C/hr to 30C	0°F/hr to 86F		13:40

Start temperature assumed: 25°C or 75°F
"Fahrenheit degrees" is not the same as "degrees Fahrenheit". A 100° reading on a Fahrenheit thermometer is equal to a 37° reading on a Celcius thermometer. But "100 Fahrenheit degrees of temperature change" is equivalent "55 Celsius degrees of change". That is an important distinction to understand the above temperature conversions.

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Typecodes	Oxidation Firing
Oxides	Sm2O3 -

By Tony Hansen

C6MSGL1 Firing Schedule

Mastering Glazes Cone 6

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