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Home > Resources > Glossary > Definitions - F > Flame Annealing

Flame Annealing

The process of annealing glass in a torch flame, instead of in a kiln. It is carried out by gently heating the glass to a temperature just below its softening point, allowing the entire object to "soak" at that temperature for a few minutes before gradually reducing the temperature of the glass. The glass is cooled slowly by moving it gradually out of and away from the flame.


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