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Bulletproof helmet is an equipment that can absorb and dissipate the energy of warhead, prevent penetration, reduce blunt injury and effectively protect human head.
2022-03-29
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Bulletproof helmet is an equipment that can absorb and dissipate the energy of warhead, prevent penetration, reduce blunt injury and effectively protect human head. The applicable objects of bulletproof helmets are mainly equipped with military combatants and police. There are mainly two kinds of helmets: Japanese and German.
Bulletproof helmets are divided into metal, non-metal, metal and non-metal composite according to the material of helmet shell. In addition to the old-fashioned steel helmets, the main materials for making bulletproof helmets are ultra-high molecular weight polyethylene fiber and aromatic polyamide. The ultra-high molecular weight polyethylene fiber helmets are more lightweight. The weight of bulletproof helmets that meet the level 2 protection requirements [1] in the standard of police bulletproof helmets and masks (ga293-2012) issued by the Ministry of public security is only 1.2kg. The infantry bulletproof helmet can prevent broken shrapnel and direct bullets. Generally, it is required to withstand the impact of 9mm caliber pistol bullets and shrapnel 5m away.
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