Heat Glass To Take Out Internal Stresses !!install!! [ PRO | VERSION ]

Internal stress can cause "birefringence," which distorts light passing through the glass. Annealing ensures the glass is optically "clean."

: Annealing makes glass "machinable." Only after internal stresses are removed can glass be safely cut, drilled, or polished without the risk of it shattering instantly. heat glass to take out internal stresses