... purity,good transmition,no airline,few bubbles.These types of quartz rod are widely used in the quartzware,laser making ... ,fiber-optical,optics ware and semiconductor industry.Advantage of the quartz tube:1. High temperature resistant, 1100 degree.2. ... , red quartz tube, processed quartz tube, quartz rod, quartz plate, gray quartz tube, and so on. And we have further capacity of trim cutting, ...