Polycarbonate lens is called PC lens for short. PC lenses have high toughness, high transparency, and high impact resistance. The PC lens is not broken easily when it is impacted. In the eyewear industry, it is also called an explosion-proof lens.
When the PC lens thickness reaches 1.8mm, it can be used for safety glasses. Meet the US safety glasses standard Z87.1 high impact speed 150FT/S. When the thickness reaches 2.5mm, it can be used for military safety glasses. Meet the US military glasses standard MIL PRT 32432 high impact speed 720FT/S.