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What is done to anneal glass?

Updated: 8/11/2023
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14y ago

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The glass soaks in heat, typically about 960° F, to give the molecules a chance to settle down. The thicker the glass the longer it should anneal. Typical annealing times for 1/4" plate glass might be a few hours. Improperly annealed glass is more subject to fracture with subsequent temperature changes.

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14y ago
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15y ago

Annealing is performed on glass to remove internal stresses that result from shaping and solidification.

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