Tempered glass is four to five times stronger than annealed glass of the same size and thickness against impact.
Tempered glass has higher thermal strength, and it can withstand high temperature changes up to 250°C.
Tempered glass is considered as safety glass. It is difficult to break and even in the event of a breakage, disintegrates into small relatively harmless globules.
Tempering does not alter the basic characteristics of glass such as light transmission and solar radiant heat properties of normal glass.
The glass surface after heat treatment has the same resistance to surface damage as annealed glass.
Tempered glass cannot be cut or altered.