ozone free quartz tube
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Date:2006/10/8 16:15:44 |
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| product
code: IP105 ¡¡type
comparison: GE219 |
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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¡À0.08 |
1.0¡À0.06 |
10% |
1.5% |
2.5% |
|
12.0¡À0.10 |
1.0¡À0.10 |
10% |
1.5% |
2.5% |
|
15.0¡À0.12 |
1.0¡À0.12 |
15% |
1.5% |
2.5% |
|
17.0¡À0.15 |
1.0¡À0.15 |
15% |
1.5% |
2.5% |
|
18.5¡À0.15 |
1.0¡À0.15 |
15% |
1.5% |
2.5% |
|
19.0¡À0.20 |
1.0¡À0.15 |
15% |
1.5% |
2.5% |
|
25.0¡À0.30 |
2.5¡À0.20 |
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 |
£¼10 |
Physical Properties
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Density 20¡æ kg.m-3 (¡Á103) |
2.2 |
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Coefficient of expansion 25-300¡æ ¡æ-1 (¡Á10-6) |
0.56 |
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Softening point ¡æ |
1630 |
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Annealing point ¡æ |
1180 |
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Strain point ¡æ |
1070 |
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Youngs modulus Pa |
7.3¡Á105 |
Spectral Transmission at 1.0mm Thickness
|
Nm |
185 |
£¼220 |
230-280 |
550 |
590 |
780 |
|
% |
0 |
0 |
¡Ý85 |
¡Ý90 |
¡Ý92 |
¡Ý92 |
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| properties:
IP 105,clear quartz tube doped with Ti. Has a strong ability to prevent dense UV radiation but release no ozone |
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application: It is used for heating tube and has a strong function of decoration |
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The above data
are only for reference.
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