EN 166
EN 166: 2001
Personal eye-protection. Specifications.
This document specifies functional requirements for various types of personal eye-protectors and incorporates general considerations such as designation; classification; basic requirements applicable to all eye-protectors; various particular and optional requirements; allocation of requirements, testing and application; marking; information for users.
OPTICAL CLASS
Optical class 1 = Continuous works (best quality)
Optical class 2 = Intermittent works
Optical class 3 = Occasional works only (lower quality)
MECHANICAL RESISTANCE
Symbol |
Mechanical resistance |
No symbol |
Minimum robustness |
S |
Increased robustness |
F |
Low energy impact |
B |
Medium energy impact |
A |
High energy impact |
SYMBOLES DES DOMAINES D'UTILISATION
Symbol |
Designation |
No symbol |
General use |
3 |
Liquids |
4 |
Large dust particles |
5 |
Gas and fine dustparticles |
8 |
Short circuit electric arc |
9 |
Molten metals and hot solids |