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Does glass jewelry fired in a microwave kiln require annealing in a glass kiln?

Updated on Jan 24, 2025

We have made many glass pendants with the MagicFuse microwave kiln. After the kiln is removed from the microwave, glass pieces take about 50 minutes to cool. None of them have broken. Annealing in a separate kiln is unnecessary for small glass pieces such as earrings and small pendants.