Ozone-free quartz tubing.clear,cut surface slig-ht purple.The product blocks wavelength<220nm,while transmit over 70% in 253.7nm.Good for all kinds of germcidal lamps.
Dimensional Tolerance
Range of OD WT Siding Out of Round Bow/1220mm
5.0±0.08 1.0±0.06 10% 1.5% 2.5%
12.0±0.10 1.0±0.10 10% 1.5% 2.5%
15.0±0.12 1.0±0.12 15% 1.5% 2.5%
17.0±0.15 1.0±0.15 15% 1.5% 2.5%
18.5±0.15 1.0±0.15 15% 1.5% 2.5%
19.0±0.20 1.0±0.15 15% 1.5% 2.5%
25.0±0.30 2.5±0.20 15% 1.5% 2.5%
Chemical Composition Unit: ppm
Al Fe K Na Li Ca Mg Cu Mn Pb B cr OH
25 1.5 2.5 2.5 0.6 2.3 0.5 0.1 0.5 0.01 0.2 0.1 ＜10
Physical Properties
Density 20℃ kg.m-3 (×103) 2.2
Coefficient of expansion 25-300℃ ℃-1 (×10-6) 0.56
Softening point ℃ 1630
Annealing point ℃ 1180
Strain point ℃ 1070
Youngs modulus Pa 7.3×105
Spectral Transmission at 1.0mm Thickness
Nm 185 ＜220 230-280 550 590 780
% 0 0 ≥85 ≥90 ≥92 ≥92
properties: IP 105,clear quartz tube doped with Ti. Has a strong ability to prevent dense UV radiation but release no ozone
application: It is used for heating tube and has a strong function of decoration
The above data are only for reference.
