1, Material: lenses 2.5mm polycarbonate, frame TR90;
3, prism degree: vertical and horizontal ≤ 0.125 △, left and right ≤ 0.18 △;
4, visible light color transmission ratio: > 89%;
5, impact resistance: room temperature, can withstand 500g drop hammer from 1350mm at the impact, after the test lens did not rupture, no deformation;
6, anti-high-speed particle impact performance: for the protection of high-speed particle impact eye protection should be able to withstand the diameter of 6mm, weighing about 0.86g of steel ball with 120m / s speed impact, the lens should not be broken or broken;
7, bulletproof performance: the use of No. 12 shotgun shells and No. 6 projectiles (diameter 2.75mm), in the shooting distance of 5 meters under the conditions of effective shooting 1 round, bulletproof goggles should not be pierced.