3.3 borosilicate glass tube specification:

1.Structure:All-glass double-tube co-axial structure

2.Glass material:High borosilicate 3.3

3.Diameter and thickness:47mm,1.6mm/58mm&1.6mm

4.Length:1500mm/1800mm/2000mm

5.Absorptive coating material:Al-N/AL or ALN/ALN-SS/CU

6.Life:15 years

Borosilicate glass tube