Mastering Glazes Cone 6

Start temperature assumed: 25°C
Step Rate to Temp °C Rate
°F/hr
To °F Hold Accum
Time
1 55°C/hr to 110 99 230 60min 3:04  
2 200°C/hr to 1080 360 1976 0 7:55  
3 85°C/hr to 1200 153 2192 15min 9:34  
4 275°C/hr to 1000 495 1832 0 10:18  
5 70°C/hr to 760 126 1400 0 13:44  
6 Freefall°C/hr to 30   86   13:44  
*Rates are expressed as "Celcius/Fahrenheit degrees", temperatures as "Degrees celcius/fahrenheit"

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.

Out Bound Links


By Tony Hansen

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