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ISO 4851:1979

Personal eye-protectors — Ultra-violet filters — Utilisation and transmittance requirements
1 shk 1979
95.99 Withdrawal of Standard   2 mar 2021

General information

95.99     2 mar 2021

ISO

ISO/TC 94/SC 6

International Standard

13.340.20  

frëngjisht   anglisht  

Buying

Shfuqizuar

Language in which you want to receive the document.

Scope

Gives the numbering of and transmittance requirements for filters. It defines guidance and their selection and use. Optical test methods form the subject of ISO 4854. Non-optical test methods form the subject of ISO 4855. The symbol for filters includes a code number and the shade number corresponding to the filter. The determination of transmittance is described in clause 5 of ISO 4854.

Life cycle

NOW

WITHDRAWN
ISO 4851:1979
95.99 Withdrawal of Standard
2 mar 2021

REVISED BY

PUBLISHED
ISO 16321-1:2021