252 lists the minimum lens shade requirements for a variety of welding operations. Welding safety glasses are not intended for arc welding, which requires a darker lens found in welding helmets (osha's.
Aside from the heat that is produced and the sparks that fly around, welders are also exposed to electrical hazards, toxic fumes, and so on. Some welding masks use shade 10, 12, 13, 14, etc. They are really dark, so you really can’t see much until you actually start welding and have the extra light. Welding glasses with different shade lenses 5,7,9,11,13 and 14. The welding lens shade, if adequate for the type of welding being done, should provide all the protection needed from the harmful uv rays generated by the welding arc. Welding safety glasses can easily be made up of traditional safety glasses. Güneş Gözlüğü Oakley These ranges include ultraviolet (uv) radiation (200 to 400 nm), visible light (400 to 700 nm), and infrared (ir) radiation (700 to 1,400 nm). A full facemask may be required for arc welding. Modern welding safety glasses absorb up to 99% of the damaging uv radiation plus protect your eyes from any welding sparks and debris.
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