Black Glass Standards

Low reflectance glass standard

Highly polished black glass is useful as a standard for gloss, low reflectance in directional/directional geometry, and also establishing the efficiency of the ‘sphere zero’ in specular excluded geometry using an integrating sphere.  Avian Technologies' black glass standard consists of Scholl NG-1 glass in a black Delrin holder.



2" square black glass standard with holder


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