sales@cammerkezi.com T: +90 216 575 88 90 Yorim Glass is a "patisserie Display Glass Product" company. If you need more specification for glass; we are waiting to your email. deep-processed. Tempered glass is a heat toughened safety glass. It has undergone a special heat treatment to increase its strength and resistance to impact. In fact, tempered glass is approximately five times more resistant than normal glass. As an example, a piece of 8mm tempered glass will be able to withstand a steel ball weighing 500g dropped from a height of 2 meters.