On the other hand, a halogen lamp like the popular Hella 500 Black Magic still retains the standard tungsten filament, but doesn’t contain an inert gas – instead, it contains halogen, which slows the thinning of the tungsten filament despite the extreme heat, and prevents blackening. This process significantly lengthens the lifespan of the bulb by allowing the tungsten to safely reach higher temperatures (therefore, producing a much brighter light). To further enable the filament to withstand extreme heat, materials like fused quartz are often used instead of normal silica glass.
http://blog.gpartsinc.com/info-articles/hella-driving-lights-halogen-light-bulbs-actually-work
0 comments:
Post a Comment