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COBRA IR COBALT WELDING GLASSES -- $65
Great for Aluminum and all other types of Gas welding and cutting
lens. Made in the USA
COBRA IR COBALT WELDING LENS 2 X 4.25 -- $50
Standard size plastic lens -- Great for Aluminum and all other
types of Gas welding and cutting. Made in the USA
These Lenses are excellent for removing the Yellow/Orange flare
associated with the use of fluxes AND the harmful rays of IR
and UV.
The clarity is as good as any other lens on the market today.
IR Cobalt lenses meet the following ANSI Z-87.1 gas welding
Standards..
The Cobra IR Cobalt lenses reduces the IR transmittance to 1.2%.
The visible light transmission is .25%. The Far UV is less than
1.0 X 10-3.
The requirement for a Shade 7 welding lens is:
Visible light 0.44%-0.164%
Max IR 1.3%
Max Far UV .007%
Since these lenses meet the transmission requirements of a Shade
7 filter, it can be used for welding application calling for
a shade 7 or less. The generally accepted filters for gas welding
is a shade 4-7 and torch brazing is shade 3-4.
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