heat-treated glass

Also found in: Medical.

tempered glass

(US), toughened glass (Brit.) Glass having two to five times the strength of ordinary glass as a result of having been prestressed by heating and then suddenly quenched; the rapid cooling produces a compressively-stressed surface layer.
References in periodicals archive ?
Insulating glass units specified for commercial construction applications often incorporate a high-performance coated lite to resist solar-heat gain, thermal heat transfer, and heat-treated glass for improved resistance to thermal and mechanical stresses.
Insulating glass units used in spandrel glazing applications typically incorporate heat-treated glass with a solar-control-coated outboard lite and ceramic-frit-coated inboard lite, providing an aesthetic match to vision glass and masking of vision into the spandrel area.