The shades #3 and #5 welding are same level of protection as glass shades #3 & #5 for protection from IR and UV.... However ACE glasses also block sodium flare (orange ball of fire) surrounding hot glass, welding shades do not offer same filtering protection as ACE or Didymium glasses...
If you are looking for inexpensive work around for eye protection these are not the answer... Unless you are willing to give up the additional need to filter sodium flare from your work... Sodium flare is not harmful to eyes but it is difficult to do detail work through the "ball of bright light" surrounding your beads...
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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