With Auer Lighting's injection molding technology, it is possible to produce such light guides made from glass with added design features for mounting, positioning, etc. Auer Lighting supplies the 1-piece solution: No glue is required to fix a lens, no additional diffuser is needed. Beyond its supreme thermal stability, Auer Lighting's borosilicate glass SUPRAX® 8488 offers low thermal expansion and zero water absorption allowing for precise light guidance along difficult environmental conditions.