| Typical physical &Chemical Properties |
| Elements |
Al |
Fe |
Ca |
Mg |
Li |
K |
Na |
Ti |
Component |
Clear Quartz Tube, Dehydroxyl Clear Quartz Tube, Low Hydroxyl Clear Quartz Tube |
23.2 |
4.8 |
3.1 |
2.5 |
2.0 |
504 |
6.1 |
|
| UV- block Quartz Tube, Dehydroxyl UV-Block Quartz Tube, Low Hydroxyl UV- Block Quartz Tube |
22.70 |
0.51 |
0.63 |
|
4.27 |
0.69 |
2.4 |
|
High Ozone Clear Quartz Tube
|
16.20 |
0.23 |
0.40 |
|
0.90 |
0.60 |
0.90 |
|
|
Property |
Typical values |
Property |
Typical Values |
|
|
1680℃ |
Cofficient of Thermal Expansion
( 20 - 320 ℃) |
5.7×10-7 cm / cm.℃ |
|
|
1210℃ |
Thermal Conductivity (20℃ ) |
1.4 W / m.℃ |
|
|
1120℃ |
Specific Heat (20℃ ) |
670 J / Kg.℃ |
Density |
2.2g/cm3 |
Electrical Resistivity (350℃ ) |
7×107 ohm.cm |
Hardness |
5.5-6.5Mohs' |
Dielectric Constant |
3.75 |
Tensile Strength |
4.8×107 N/m2 |
Dielectric Strength |
5×107 V/m |
Compressive Strength |
1.1×109 N/m2 |
- |
- |
|
| Transmittance rate:(Tested at 1.0 mm thickness) |
|
190 |
253.7 |
312 |
312 - 800 |
Clear Quartz Tube |
40 |
87 |
91 |
91-92 |
Low Hydroxyl Clear Quartz Tube |
45 |
87 |
91 |
91-92 |
Dehydroxyl Clear Quartz Tube |
63 |
88 |
91 |
91-92 |
High Ozone Clear Quartz Tube |
68 |
89 |
91 |
91-92 |
|
220 |
253.7 |
320 |
320 - 800 |
| 416 - 800 |
UV-Block Quartz Tube |
0 |
<20 |
0 |
90 |
Ozone free Quartz Tube |
0 |
>86 |
91 |
90 |
|
| Quartz Tube Transmittance curve |
|
 |
