# ISO 4850:1979 — Withdrawn and superseded ISO standards

For ISO 4850:1979, item title is Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements; status code is 9599; successor is ISO 16321-2:2021; withdrawn / published date is 1979-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4850:1979 _(verified: appears in the quote below)_
- **Item title:** Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16321-2:2021
- **Withdrawn / published date:** 1979-07-01 _(verified: appears in the quote below)_

## What the source says

> 10833,IS,,ISO 4850:1979,Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements,Protecteurs individuels de l'oeil pour le soudage et les techniques connexes — Filtres — Utilisation et spécifications de transmission,1979-07-01,1,['13.340.20'],ISO/TC 94/SC 6,9599,,[69395],"['en','fr']",5,"<p>Specifies the numbering of and transmittance requirements for filters intended to protect operatives performing manual work involving welding, braze welding, arc gouging and thermal cutting. It also gives guidance on the selection and use of these filters. Optical test methods are the subject of ISO 4854. Non-optical test methods are the subject of

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).