OS GSO ISO 4850:2013
ISO 4850:1979
Omani Standard
Current Edition
·
Approved on
09 September 2013
Personal eye-protectors for welding and related techniques - Filters - Utilisation and transmittance requirements
OS GSO ISO 4850:2013 Files
English
5 Pages
Current Edition
Reference Language
OMR
20.35
OS GSO ISO 4850:2013 Scope
Abstract
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.
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