ISO 4850:1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
01-07-1979
09-04-2025
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 ISO 4855.
| Committee |
ISO/TC 94/SC 6
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NEN EN 169 : 2002 | Identical |
| NFS 77 104 : 1983 | Similar to |
| BS 679:1989 | Similar to |
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