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The helmets can effectively prevent infrared ray and ultraviolet ray fro transmittance and decrease incident light, thus preventing the workers eyes from damage.
108mm*50mm*3mm 105mm*50mm*3mm
110mm*50mm*3mm 100mm*50mm*3mm
110 mm *51 mm *3 mm 108 mm *83 mm *3 mm
110 mm *90 mm *3 mm 110 mm *80 mm *3 mm
133 mm *114 mm *3 m
we can do as the customers requirement.
Light direct coefficient: from No.4 to No.14
Shade Number Electric Arc Welding and Cutting Work
3#-4# Auxiliary workers 5#-6# below 30A elctric arc
7#-8# below 30A-75A elctric arc 9#-11# below 75A-200A elctric arc
12#-13# below 200A-400A electric arc 14# above 400A electric arc