... wall of large diameter ( 4-10mm wall thickness ) transparent quartz glass tube, quartz tube of small diameter and thick wall, low hydroxyl ( OH < 2ppm ... quartz tube, quartz rod ( 1.8-60mm ), quartz ( silica mirror, UV quartz, quartz glass, a variety of specifications ) quartz glass ware ( quartz beaker, tube, evaporating dish, reagent bottles, quartz crucible ), quartz ...