3M Speedglas 9100 - Page 72

68
E:1
E:2
200 380 780 1000 1200 1400
20
18
16
14
12
10
8
6
4
2
0
Light transmission curve
Speedglas welding filters keep the welder
protected from harmful UV and IR radiation.
This protection remains always,in on, off,
dark and light state.
UV
(ultraviolet) radiation
– always blocked
VISIBLE LIGHT IR
(infrared) radiation
– always blocked
Wavelength (nm)
Transmittance (%)