Tempered glass is to be tempered furnace is heated to a certain degree after rapid cooling, tempering glass high four - five times than the original hardness,and its broken is small grain, won't cause harm to other things, general glass tempering before cutting, grinding, drilling and other processing, not in thetempered, so why not for the processing of tempered glass.

The glass in glass tempering, stress in the uniform dispersion and balance, is thestress of this balance and uniform makes toughened glass becomes strong, iffurther processing such as some drilling in glass, tempered glass will destroy theinternal The balance of forces, the glass will be broken into small particles, toughened glass is not re processing, usually finishing in before tempering.