1.Specifications
Kinds of specifications can do
2.parameter:ultraviolet rays permeability:<0.0003%(313nm)
<0.006%(365nm)
infrared rays permeability:<0.01%(780--1400nm)
3.Purpose
This welding helmet can availably filter the ultraviolet rays and infrared rays are harmful to eyes. Coefficient of penetrating ray is below 0.0001%, efficiently avoid the disease caused by welding.
4.Apearance
Reflect mauve, transmit kelly colour
5.Export country
Italy, U.S, Korea, India, Europe and other Country
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