It is a kind of glass that made in a way in heating to a certain temperature and then rapid cooling, or methods of special treatment of the glass. The feature is high strength intension. The bending ability, impact-bearing ability is 3 ~ 5 times higher than ordinary flat glass. It has acid and alkali - resistant properties. And it is meshy after broken, will not be harmful to human.
It is widely used in auto and architecture industry.