Loading ...ANSI Markings on Safety Glasses
Every pair of safety glasses has markings on it in order to let consumers know that it has passed the ANSI standard for safety glasses strength… Which come in the form of two tests.
A basic impact lens must pass the “drop ball” test. In this test a 1 inch steel ball is dropped on the lens from 50 inches. A high impact lens must pass the “high velocity” test. In this test, ¼ inch steel balls are shot at the velocity of 150 feet per second at the lens.
The ANSI standard requires the level of protection to be printed on every pair of new safety glasses.
The basic impact safety glasses are marked with the manufacturers’ logo and a simple “Z87”. For example, if I started selling my own safety glasses (still in production), and my company symbol was “F2K”, the marking on my glasses would read “F2K Z87”.
The high impact safety glasses are marked with the manufacturers’ logo and the “Z87” followed by a “+”. Using my awesome company above, my high impact safety glasses would be marked with a “F2K Z87+”.
Hopefully, this explains the mystery markings on your safety glasses.
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