Classification of Bulletproof Shields
Bulletproof shield, as its name implies, is a shield with certain bulletproof ability. The traditional bullet-proof shield is a rectangular sheet with radian, usually with handles behind it. Whiling fighting with enemies, the holders can cover his head and body with such a shield, which can provide enough protection area for them. However, with the continuous progress of the protection industry, various protective products are also experiencing constant change. Their function, appearance, and use design are also constantly improving, and becomes more and more in line with people’s usage pattern. At present, many materials that can be used to make bullet-proof shields, including Kevlar, polyethylene, ceramics and steel plates. Based on the protection area, bullet-proof shields can generally be divided into five sizes, super-small (450mm * 650mm), small (550mm * 650mm), medium (550mm * 1000mm), large (600mm * 1300mm) and super-large (600mm * 1750mm). The National I
