Click image to view full size image
Product DescriptionWe can also produce opaque (Milky white) quartz tubes, ceramic heaters, quartz heaters, ?quartzcrucibles, etc.Silicon Dioxide >99.95%, Excellent visual and chemical performance, high thermo-stability,anticorrosive, Transmittance of visible light >90%. Deh-rodyolization availableupon customer request, deshydroxy content less than 20ppm, 15ppm, 10ppm,5ppm, or 2ppm.Our products are used in areas of semiconductor, lighting and electric heating industries.large diameter quartz glass tube1,clear quartz tube:?2 purity 99.99% min3,Resistance 1100 degree, 1000 long time work4,Low OH5, Nice AppearancesAdvantage of the quartz tube:1. High temperature resistant, 1100 degree.2. Corrosion-resistant3. Good thermal stability4. Good transparency for light5. Good electrical insulationChemical composition (ppm)ALFeKNaLiCaMgCuMnCrBTi5-120.19-1.50.71-1.60.12-1.760.38-0.760.17-1.230.05-0.50.050.05<0.05<0.1<1.0
link:http://www.superbheater.com/materials-and-fitting/quartz-heaters-materials-and-fitting-parts/high-temperature-transparent-quartz-glass-tube.html
High Temperature Transparent Quartz Glass Tube Use For Quartz Heater