Blletproof glass:. Top quiality,best price. Blletproof glass :Structure:1. Bearing layer: The impact of the first to bear the breakdown, the general thickness of large, high-strength glass, can destroy warheads or warhead to change shape, it lost the ability to move forward. 2. Interlayer: General use of organic materials glue, bonding power, lightfastness, and can absorb some impact can change ...