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.
31%
Yes
Yes
I/O Clear Mirror
Crystal Blue
Bayonet
TPR
Gray
Polycarbonate
78
Duramass Hard Coat
Crystal Blue
Polycarbonate
144
34.776
Dozen Gravity Box
3.864