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THX-1138

Ratings of safety eyegear?

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I have some 'safety glasses' :cool: that I picked up a while ago. The lenses are supposedly polycarbonate. Each lens has the notation "PV Z87+" etched on it, as does the frame, and I'm guessing it has something to do with the limitations of the poly. However, I haven't been able to find any explanatory reference for such notation. On the other hand, it might just be the manufacturer's part number. ;) ("Made in China")

 

Does anyone have a clew what "PV Z87+" might mean on safety glasses?

 

Thanks!

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Z87+ is an ANSI standard for face protection.

 

The following link is to a manufacturer who explains some recent changes in the standard, which is the best thing I could find that explains what it is.

 

http://www.bullard.com/Industrial/ansiZ87.shtml

 

Precisely what I was trying to find out! Thanks!

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