Eye Protection – Face Shield Tint Levels

Tinted face shields are required for use anytime there is the potential for light radiation exposure. OSHA’s rule of thumb is to start with a shade that is too dark to see the weld zone. Then go to a lighter shade which gives sufficient view of the weld zone without going below the minimum. 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 in the visible light of the (spectrum) operation. See the table below for the OSHA required minimums, or view the standard. OSHA 1910.133(a)(5)

Filter Lenses for Protection Against Radiant Energy
OperationsElectrode Size
1/32 in.
Arc CurrentMinimum*
Protective Shade
Shielded metal arc weldingLess than 3Less than 607
 3-560-1608
 5-8160-25010
 More than 8250-55011
Gas metal arc welding and flux cored arc welding less than 607
  60-16010
  160-25010
  250-50010
Gas Tungsten arc welding less than 508
  50-1508
  150-50010
Air carbon(Light)less than 50010
Arc cutting(Heavy)500-100011
Plasma arc welding less than 206
  20-1008
  100-40010
  400-80011
Plasma arc cutting(light)**less than 3008
 (medium)**300-4009
 (heavy)**400-80010
Torch brazing  3
Torch soldering  2
Carbon arc welding  14
From OSHA 1910.133(a)(5)
Filter Lenses for Protection Against Radiant Energy
OperationsPlate thickness-inchesPlate thickness-mmMinimum* Protective
Shade
Gas Welding:   
LightUnder 1/8Under 3.24
Medium1/8 to 1/23.2 to 12.75
HeavyOver 1/2Over 12.76
Oxygen cutting:   
LightUnder 1Under 253
Medium1 to 625 to 1504
HeavyOver 6Over 1505
From OSHA 1910.133(a)(5)