247-01 Cobalt Blue Furnace Observation Filter
Standards： ANSI Z87.1, EN 171
Size： (Round) Diameter 50 mm
- Best optical quality
To give users the best vision so that they can focus on the job, the faceshield has the highest optical properties (Class 1) in tests of spherical refractive power, astigmatic refractive power, prismatic refractive power, and light diffusion.
- Superb UV protection
We used advanced technologies to provide the user with superb protection against UV.
- Superb IR protection
Advanced technologies were employed to provide users with superb protection against IR.
- Resistance to ignition
According to the testing method of European standard, heat one end of a steel rod, 300 mm long and 6 mm nominal diameter to 650 ℃. Press the heated face of the rod against the surface of the sample for 5 seconds. The faceshield shall not ignite nor continue to glow.
- Furnace observation
It is designed with the furnace observer in mind, and it allows those who are observing hot furnaces to see into the furnace so they can reduce eye fatigue and increase their vision of the items in the furnace.
Cobalt Blue Furnace Observation Filter
|Scale number for filters||
4-6 (EN 171)
(Round) Diameter 50 mm