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Norm
ISO 4851:1979
Issue date: 1979 02 01
Personal eye-protectors — Ultra-violet filters — Utilisation and transmittance requirements
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...
Withdrawn: 2021 03 02
Publisher:
International Organization for Standardization
Format:
Digital | 2 Pages
Language:
English
Currently valid:
ICS
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.
ISO 16321-1:2021
2021 03 02
Eye and face protection for occupational use — Part 1: General requirements
Norm
ISO 4851:1979
1979 02 01
Personal eye-protectors — Ultra-violet filters — Utilisation and transmittance requirements
Norm
↖
Norm
Issue date :
2021 03 02
Eye and face protection for occupational use — Part 1: General requirements
