Bulletproof glass usually includes a polycarbonate fiber layer sandwiched between ordinary glass layers. Bullets can easily penetrate the outer layer of glass, but the strong polycarbonate layer will stop the movement of the bullet before it can penetrate the inner layer of glass. Bulletproof glass is usually 70 to 75 mm thick. Production Capacity Maximum specification:2440 3660 mm; Minimum specification: 300 300 mm Thickness:4 75 mm; Orders out of above specifications are negotiable. Adhering to the principle of Customer first,mutual benefit and win-win ,we will provide you with quality products and perfect after-sale service. Export to any region of the world. In line with national quality standards. Well rated by customers. If necessary, please contact me. Provide you with real-time quotes.