The bullet-proof mask consists of transparent panel and connecting locking device. The transparent panel is made of 1.25 mm PE, 12.0 mm acrylic plate and 8.0 mm PC from the bullet-proof surface. Metal parts should be rust-proof, non-metallic materials should be non-toxic, no natural harm to human body.
The bullet-proof mask is detachable, and the function of connecting locking device should be reliable.
Transparent panel height H: 137mm, arc length L: 350mm.
The surface of transparent panel should be free of scratches, bubbles, foreign bodies and oil stains, with smooth periphery and no factors affecting perspective.
Protection Level: Level 2
Total quality: 1476g
Transparent panel transmittance: 83.6%
Flame Retardant Property: Flame Release Time of Panel 2 s; Flame Release Time of Locking Device 2 s.
Antifogging performance: Put the mask at room temperature for 0.5 h, then put it at 55 & deg; & plusmn; 2 & deg; the upper edge of the water bath pot, the lower edge of the mask is 100 mm from the water surface, lasts for 15 seconds, and the inner surface of the transparent panel should not fog.
Anti-elasticity: In the case of an effective hit, the mask should block the warhead, there is no splash inside, and it can not be separated from the connecting locking device.
Resistance
Resistance to water immersion: After 24 hours of immersion in water under normal temperature, no water should enter the interlayer of the mask, and the dropping water should be taken out for 5 minutes. In the case of one effective hit, the mask should block the warhead, there is no spatter in the inside, and it can not be separated from the connecting locking device.
