Bulletproof board bare board
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Description
Product introduction
Bulletproof flashboards are usually used with bulletproof vests or tactical vests The bulletproof insert plate has two kinds of front plate and side plate. The front plate can protect the chest and back of human body, and the side plate can protect the side of human body Cutting angle normally protects chest, front square protects back Manufacture of bulletproof insert board material PE polyethylene PE + alumina All kinds of material models are made of PE + alumina Public security level 5 is equivalent to American standard NIJIII AK public security level 6 is equivalent to American standard NIJIV.
Principle of Ceramic Plate
Ceramic bulletproof insert plate is generally made of 10.0 mm alumina ceramic and 12.0 mm polyethylene PE. The size is 300*250. Its principle is that when a bullet impacts the bullet bullet, the first thing the bullet impacts is the uppermost ceramic layer. When the ceramic meets the bullet with huge kinetic energy, it will break and transfer the huge impact energy of the impact point to the surrounding area to absorb the huge kinetic energy of the bullet When the bullet passes through the ceramic layer, it has lost most of its kinetic energy. When the bullet reaches the polyethylene layer, the polyethylene consumes the kinetic energy of the bullet by stretching and wraps the bullet and shrapnel. This process has little effect on the human body and plays a very good protective role
| GA141-2010 Classification of Police Bulletproof Protection Levels | ||||||
| Bullet type | Nominal mass of warhead （g） |
Bullet velocity （m/s） |
Warhead structure | Bullet diameter × shell length（mm） | Use gun type | |
| 1 | 1964 7.62 mm pistol cartridge (lead core) | 4.87 | 320±10 | Round head lead core, Copper quilt | 7.62×17 | 1977 7.62 mm pistol 1964 7.62 mm pistol |
| 2 | 1951 7.62 mm pistol cartridge (lead core) | 5.6 | 445±10 | Round head lead core, copper steel quilt | 7 62×25 | 1954 7.62 mm pistol |
| 3 | 1951 7.62 mm pistol cartridge (lead core) | 5.6 | 515±10 | Round head lead core, copper steel quilt | 7.62×25 | 1979 7.62 mm light submachine gun |
| 4 | 1951 Type B 7.62 mm pistol cartridge (steel core) | 5.68 | 515±10 | Steel core with copper round head | 7.62×25 | 1979 7.62 mm light submachine gun |
| 5 | 1956 type 7.62 mm ordinary projectile (steel core) | 8.05 | 725±10 | Pointed cone bottom steel core lead sleeve copper steel quilt | 7.62×39 |
1956 7.62 mm semi-automatic rifle |
| 6 | 1953 7.62 mm ordinary projectile (steel core) | 9.6 | 830±10 | Pointed cone bottom steel core lead sleeve copper steel quilt | 7.62×54 | 1979 7.62 mm sniper rifle 1985 7.62 mm sniper rifle |
Inspection report of bulletproof flashboard
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