The material is 98% 99% 99.5% aluminum oxide ceramic plate. Can ···
The material is 98% 99% 99.5% aluminum oxide ceramic plate. Can be customized according to customer requirements to square, hexagonal, arc, spherical and special-shaped parts. The products shall comply with NIJ Standard-0101.06 standard III.IV. High hardness, small size tolerance, moderate density and strong bullet proof capability.
Physical and chemical indexes
| Item | Keystone -01 | Keystone -02 | Keystone - 03 |
| Al2O3 (%) | ≥99.5 | ≥99 | ≥98 |
| Density | ≥3.90 | ≥3.88 | ≥3.80 |
| Vickers hardness HVs | ≥1550 | ≥1500 | ≥1400 |
| Bending strength (Mpa) | ≥380 | ≥350 | ≥320 |
| Impact toughness (J/cm2 ) | ≥2.2 | ≥2.2 | ≥2.2 |
| Elastic modulus (GPa ) | ≥320 | ≥320 | ≥300 |
Product features
Alumina ceramic bullet proof plate has high specific stiffness, high specific strength and chemical inertia in a variety of environments. Its advantages over metal are that metal materials will produce plastic deformation and absorb energy when resisting bullet impact, while alumina ceramics will almost not produce plastic deformation. By virtue of its high strength and hardness, the bullet will be passivated or even broken. In the process of forming small and hard fragments on the ceramic surface, they will be crushed and absorb the energy of high-speed warheads.
Application
Human body, vehicle body, armor, building shelter protection
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