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Symbols and markings

The labeling of personal protective equipment is used to identify and correct the hazards of the workplace.
Frames and protective lenses (or optical filters) are marked separately. If they are all together, all the required marking symbols should be on the frame (frame).

Marking on protective lenses

The marking of optical filters is a combination of a code number and a protection level of the filter connected with a hyphen e.g. 2-1,2. Filters enabling better recognition of colours are marked with ‘C’ symbol. These filters are marked as: ‘C – protection level’. Filters with increased reflection coefficient in infrared are marked with ‘R’ symbol. These filters are marked as: ’marking – R’

Digit - Optical class of lens.
One of the three optical classes: 1, 2 or 3. Exceptions are fast external, which should always meet the requirements of class 1.

Letter - Mechanical strength.
Marking on the lens can be "A", "B", "F" or "S". No symbol means minimal mechanical resistance - only for external and protective filters.

Digit(s) - Scope of use.
Marking on the lens may contain 8 and/or 9.

Letter(s) - Additional requirements.
Marking on the lens may contain a letter: ‘T’, ‘K’ and/or ‘N’. The "T" mark is placed immediately after the mechanical strength symbol e.g. "AT", "BT" or "FT".

Symbol of original or replacement protective lens.
- original lens, - replacement lens


Markings on frames

Digit(s) - Scope of use.
Frame marking may contain a digits: 3, 4, 5, 8, and / or 9. If the eye protection product is used in more than one area, the corresponding numbers are applied to the luminaire in increasing order of numerical values. No symbol - basic usage.

Letter - Mechanical strength.
Marking on the frames can be: "A", "B", "F" or "S".

Letter(s) - Additional requirements.
Marking on the frame may contain a letter: "T" i/lub "H".


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