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Specifications
ozone free quartz glass tubeSpecification can be as per customer's request
ozone free quartz glass tube
Comparing transparent quart glass tube, there is more chemical material, which is Ti. It can prevent UV radiation, but meanwhile, does not produce ozone. Its surface looks white, but it seems look like light purple from the cross section.
The OH contents: ≤50ppm,≤10ppm,≤5ppm,≤1ppm
Applications: It is mainly used from ozone-free germicidal lamp and others.
1.Chemical Compositions unit: ppm
Al |
Ca |
Fe |
K |
Na |
Li |
Mg |
Pb |
B |
Ba |
Cr |
Mn |
OH |
25 |
2.3 |
1.5 |
2.5 |
2.5 |
0.6 |
0.5 |
0.01 |
0.2 |
0.2 |
0.1 |
0.5 |
<10 |
2.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 Gpa |
7.3×105 |
3. Detailed technical specifications and dimensional tolerances
IDxOD(mm) |
(mm) |
IDxOD(mm) |
(mm) |
IDxOD(mm) |
(mm) |
6x8 |
1.00 |
16x18 |
1.00 |
25x27.5 |
1.25 |
7.8x10 |
1.10 |
18x20.5 |
1.25 |
30x33 |
1.50 |
8x10 |
1.00 |
19x25 |
3.00 |
32x35 |
1.50 |
9x11.8 |
1.40 |
20x22 |
1.00 |
38x44 |
3.00 |
10x12 |
1.00 |
20x23 |
1.50 |
40x43 |
1.50 |
12x14 |
1.00 |
22x25.3 |
1.65 |
50x54 |
2.00 |
13x15 |
1.00 |
23x26 |
1.50 |
60x64 |
2.00 |
Range of |
Wall |
Out- |
Wall |
Deflection |
Elliptcity |
Angularity |
<5mm |
>18% |
±2.50% |
±10% |
10% |
2.0% |
2.44mm |
6mm-13mm |
<18% |
±1.25% |
±8% |
8% |
1.5% |
2.0mm |
4. Spectral Transmittance (We will offer customers TEST REPORT.)
Wavelengthnm |
200 |
220 |
253.7 |
500 |
Transmittance% |
0.0 |
0.2 |
86.3 |
93.0 |
- The above data are only for reference.
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