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UV stop quartz tube
Date:2006-10-8 16:15:53
product code: IP103 type comparison: GE254

                                                                

This cerium-added quartz tube can effectively prevent all radiation of UV-B and UV-C ultraviolet and most radiation of UV-A ultraviolet .It is the best materials to prevent UV with best transparent performance. It can be used to make quartz halogen lamp , gas discharge lamp and other UV lamp-house , which will effectively protect human and object from hurt of ultraviolet and maintain the best efficiency of light transmission.

Dimensional Tolerance
Range of OD
OD
WT
Siding
Out of Round
Bow/1220mm
6mm
2.0%
10%
12%
2.0%
2.5mm
6.00-15.00mm
1.25%
8%
10%
1.5%
2.5mm
15.00-20.00mm
1.25%
10%
15%
1.5%
2.5mm
20.00-25.00mm
1.25%
10%
15%
1.5%
3.0mm
25.00-30.00mm
1.35%
12%
15%
1.5%
3.0mm

Chemical Composition   Unit: ppm
Cr
Ge
Fe
Mg
Ti
Ca
Al
Na
Li
K
OH
0.5
0.4
1.5
0.5
2.5
2.3
25
2.5
0.6
2.5
1-50

Physical Properties
Density  20 kg.m-3 (103)
2.2
Coefficient of expansion  25-300  -1 (10-6)
0.58
Softening point    
1620
Annealing point   
160
Strain point       
1060
Youngs modulus    Pa
7.1105

Spectral Transmission at 1.0mm Thickness
Nm
220
230-280
290-330
315
350
380
590
780
%
0
19
0
15
88
92
93
93

 

     

properties: It can almost prevent all the UV rays
application: It serves as UV-stop halogen lamp, UV-stop mercury lamp, and the sleeve for UV-stop metal halide lamp
The above data are only for reference.
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