... C at 1100 DEG C, can be used for a long time, short time maximum use ... degrees Celsius, placed in warm water and it will not be broken. 4, good performance of quartz glass ... better transmission performance, visible light transmittance of 93% or more, especially in the UV spectral region, ... 80-300mm ) and thick wall of large diameter ( 4-10mm wall thickness ) transparent quartz glass tube, quartz ...