It is used for most of the ultraviolet filtering lamps such as ultraviolet tungsten halogen lamp, ultraviolet mercury lamp, metal halide lamp and ultraviolet sleeve tube.
II. Product Features
A doped transparent quartz tube, which has a softening point about 50℃lower than conventional transparent quartz tube, absorbs UV-A / B / C, filters out almost all ultraviolet rays, and has a very low level of OH control ( can be less than 2 ppm). And Extend lamp life.