Dehydroxy Ozone Free Quartz Glass Tube
Specifications
Dehydroxy Ozone Free Quartz Glass TubeHas astrong ability to prevent dense UV radiation but release no ozone
Dehydroxy Ozone Free Quartz Glass Tube
This tubing is clear,cut surface slig-htpurple.The product blocks wavelength lessthan220nm,while transmit over 70% in 253.7nm.Good for all kinds of germcidal lamps.
Properties:Clear quartz tube dioped with Ti.Has astrong ability to prevent dense UV radiation but release no ozone
Appication:It is used for germicidal lamps and has a strong function of decoration.
Dimensional Tolerance
Specifications |
Diameter |
Thickness |
Length |
Most partial thickness |
Maximum ellipticity |
Maximum curvature |
<10 |
±0.15 |
±0.10 |
±0.5 |
0.10 |
0.15 |
2 |
10-15 |
±0.20 |
±0.10 |
±0.5 |
0.12 |
0.20 |
2 |
15-20 |
±0.25 |
±0.15 |
±0.5 |
0.13 |
0.25 |
2 |
20-30 |
±0.30 |
±0.15 |
±0.5 |
0.15 |
0.30 |
2 |
30-40 |
±0.40 |
±0.15 |
±0.5 |
0.15 |
0.40 |
2 |
>40 |
±0.50 |
±0.15 |
±0.5 |
0.15 |
0.50 |
2 |
10-15 |
±0.20 |
±0.10 |
±0.5 |
0.12 |
0.20 |
2 |
Chemical composition&OH
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 |
0.1 |
0.1 |
<10 |
Physical Properties
Density 20kg.m-3(×103) |
2.2 |
Coefficient of expansion 25-300 c-1(×10-6) |
0.56 |
Softening point() |
1630 |
Annealning point() |
1180 |
Strain point() |
1100 |
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 |
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