What is Tempered Glass?

Four times stronger than annealed glass, tempered glass is created by heating the glass to over 1000 degrees F, then rapidly cooling to lock the glass surface in a state of compression and the core in a state of tension. Tempered glass is considered safety glass because when broken, the fragments are smaller and less sharp than other kinds of glass. BG Glass suggests this kind of glass for table tops that do not sit on a solid surface.