Welding safety glasses are designed to protect welders' eyes from the harmful rays emitted by welding arcs, sparks, and slag. The lenses of welding safety glasses are made of a dark material that filters out the ultraviolet (UV) and infrared (IR) radiation that can cause eye damage. The lenses also protect the eyes from flying particles and molten metal.
The shade of the lenses in welding safety glasses is determined by the type of welding being done. For example, glasses for arc welding have darker lenses than glasses for gas welding. The darker lenses are needed to protect the eyes from the brighter arc light.
In addition to the lenses, welding safety glasses also have a number of other features that make them safe to use. The frames are made of a shatter-resistant material to protect the eyes in the event of the lenses breaking. The glasses also have side shields to protect the eyes from side splashes.
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