High velocity impact safety glass test method is performed by shooting a 1/4" steel ball at a speed of 150 feet per second aimed at the center of the lens. The result is a Pass or Fail which determines that a lens must not chip, break, or crack and it must maintain its original position in the frame.
Elastic
1.5
Yes
Dust
14%
Yes
Clear
Silver
Bayonet
Nylon
Black
Nylon
90
UV-AF Anti-Fog
Black
Nylon
Indirect Vented
144
26.676
Dozen Gravity Box
2.964