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
Yes
Dust
66%
Yes
Yes
I/O Clear Mirror
Silver
Bayonet
Nylon
Black
Nylon
36
Duramass Anti-Fog
Silver
Nylon
Indirect Vented
144
27.441
Dozen Gravity Box
3.049