Application: Used in electric light source, semiconductor, optical communication,military, metallurgy, building materials, chemistry, electric power, environmental protection etc.

Product characteristics: Different rare earth doping will make the quartz tube with different colors while producing different characteristics, such as gray quartz tube can improve optical convergence, infrared radi- ation, heating temperature; The red quartz tube has the characteristics of infrared radiation, fast heating, energy saving and environmental protection.