Toughened glass is also known as "Secure Glass" or "Safe Glass". Toughened glass is 4 to 5 times stronger than annealed glass of the same type and thickness. It is due to stresses in the surface layer. The compressive surface stresses close...
Toughened or tempered glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering puts the outer surfaces into compression and the inner surfaces into tension....