Clear fused quartz tube：

1.SiO2＞99.95%
2.low content in OH, hydroxy content can be controlled less than 20, 15, 5 or 2ppm 2.
3.main size OD:2-160mm
WT:0.6-5.0mm
L:500-3000mm
4.used in stream line production
5.high purity, good spectral transmission, well controlled dimension