Specification:

1.)Tempered glass is made by heating Ordinary glass to its softening point and then suddenly cooling down to form compression in the surface layer of the glass, which processing make full tempered glass above 4 times stronger than annealed glass of equal thickness.

 2.)Bullet proof glazing is composed of 2 or more transparent glass sheets & interlayer films. It is very difficult to breakthrough the lazing by bullet shot from guns. Or metal objects by force because combination of the strong durable glass & interlayer films can absorb and lessens quickly most of the shocking energy. even if the outer glass shet is broken by bullets or metal objects by force, the debris can be kept still by strong adhesion of the interlayers to avoid hurting people or valued articles on the other side of the glazing.