... airline 5. non-discolouring photovoltaic use Clear quartz glass rod at competitive price1, quartz glass rod2,tight siz tolearance3,Resistance 1100 ... 050.05<0.05<0.1<1.0 Spectral transmission at 1.0mm thickness mm<22025528031535038590780%89919393939393.293.4 Physical Properties ... 3-300mm clear quartz tube(high purity,good heating resistance,low OH), UV-stop quartz tube, red quartz tube, processed quartz ...