One End Quartz Tube for uvc disinfection lamp

UV wave band 253.7nm, the wavelength through rate average > 93%.
Fused quartz tube,
Electro-fusion quartz tube,
High purity


It is made from the clear quartz tube, thermal bending, sealing fire polishing ,bevel edge , end round sealing, Flat sealing. Can be processed according to request. Good spectral transmission, accurate dimension and lower OH content, The quartz glass sleeves usually use as protector for UV germicidal lamps. putting deep into liquid. Protecting the UV 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
(×10
3
)
2.2
Coefficient of expansion 25-300
-1
(×10
-6
)
0.56
Softening point
1630
Annealing point
1180
Strain point
1070
Youngs modulus(Pa)
7.3×10
5