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Welders glass shade 141/8/2023 Experience has shown that lighter filters may be used when the arc is hidden by the workpiece. ![]() In oxyfuel gas welding or cutting where the torch produces a high yellow light, it is desirable to use a filter lens that absorbs the yellow or sodium line the visible light of the (spectrum) operationĢ These values apply where the actual arc is clearly seen. ![]() Gas metal arc welding and flux cored arc weldingġ As a rule of thumb, start with a shade that is too dark, then go to a lighter shade which gives sufficient view of the weld zone without going below the minimum.
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