Measuring Heatwork

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What are Pyrometric cones?

Measuring Heatwork

Heatwork is another critical factor in the colour development of decals. Fading, Shifting and dullness are signs of too much or too little heatwork. This is also true when decals rub off after firing. (White or blank spots or burned off areas are generally related to application, not firing.) Use witness cones to measure heatwork and to check the heat distribution in the kiln. Firing to a temperature or firing to a Kiln-Sitter cone may not give the same results as found with a witness cone next to the ware.

   

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