This penching quartz tube is the industry standard clear fused quartz material. With excellent visual, thermal and mechanical properties, tight tolerances and low hydroxyl content (≤5ppm). It is suitable for abroad range of high performance and high temperature lamps such as mercury and quartz halogen, UV lamps, thermocouples, semiconductor quartz ware, waveguide handles, and other high temperature products. This glass can be supplied in the range of 2-180mm outside diameter, 0.6-6.8mm wall thickness and 1000-2000 length. And further processing of trim cutting, fire polishing, bending and pinching can be done according to the demand of the customers.