chemically strengthened glass,

Chemically-Strengthened Glass

Giving glass a potassium salt bath just after it was manufactured but while it is still warm (post-production) makes chemically-strengthened glass. Though it is considerably stronger than standard annealed glass and does not break easily, chemically-strengthened glass is not considered safety glass, because when it does break, it breaks into long, sharp shards as does untreated annealed glass. For chemically-strengthened glass to qualify as safety glass, it would need to be laminated. Chemically-strengthening glass is primarily used for thin glass applications.

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