Pyrex glass tube 3.3
OD:3~320mm
10 years experience
Acid resistant,alkali resistant glass
Material:borosilicate glass 3.3

Pyrex glass tube 3.3:

OD: 3mm-320mm

Dia 37, 47, 58mm for the solar water heater.

Main composition:
1) SiO2: 80±0.5%
2) B2O3: 13±0.2%
3) Al2O3: 2.4±0.2%
4) Na2O(+K2O): 4.3±0.2%

Chemical properties: