International Air Tool & Industrial Supply Company provides welding helmets that protect from radiation, sparks, and weld spatter for the user's face and neck. Dark lenses are effective in blocking the UV and infrared rays that can damage the cornea. The UV light that passive welding helmets block is damaging to the eyes. The Passive lenses must have the darkening level changed by the welder when the duties and types of welding change, therefore they are frequently employed for rarely welding or when the same welding shade is required for extended periods of time. The auto-darkening welding helmets have a lens that, depending on the application, can identify the preferred welding shade within a certain range. Auto-darkening helmets are frequently used when welding types and environments change frequently. These Welding helmets meet the required industrial regulatory standards.
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