| Used Electric Furnace drawing,accord with International standard. Full length of transparent Quartz Tube,Quartz rod,The high purity quartz products, used our own mine, high quality nature crystal as the raw material, go thru advanced technic. At UV wave band 185nm, the wavelength through average about 70%, it is the best material for ozone-free sterilize lamp or sleeve quartz glass tubing. At UV wave band 253.7nm, the wavelength through rate average > 85%, be propitious to Ozone sterilize lamp or sleeve quartz glass tubing.Transparent Quartz tubes widely apply to Semiconductor, Lighting, and Electric heating Industrial field.
Transparent Quartz tube physical Properties:
| Glass |
A |
B |
C |
| Density @ 20 (±05g/CM2) |
2.2 |
2.21 |
2.21 |
| Thermal Expansion (cm/cmoC) |
5.4 x 10 -7 |
5.8 x 10 -7 |
6.6 x 10 -7 |
| Thermal Conductivity (25 oC) |
0.00323 Cal / cm - sec - oC |
| Young's Modulus (x 103 kg/ mm2) |
7.2 |
7.5 |
7.0 |
| Softening Point (oC) |
1730 |
1680 |
1660 |
| Annealing Point (oC) |
1215 |
1205 |
1165 |
| Strain Point (oC) |
1120 |
1100 |
1060 |
| Resistivity (CM) @ 350 o |
7 x 109 |
2.5 x 1010 |
5 x 1010 |
| Dielectrical Constant (@ 1Mhz) |
3.70 |
5.76 |
6.02 |
Typical Trance Element Compositions (PPM by weight):
| Type |
Al |
Ca |
Fe |
Mg |
Ti |
Mn |
B |
K |
Na |
Li |
OH |
| A |
15 |
0.21 |
0.5 |
<0.1 |
0.8 |
<0.05 |
0.08 |
0.6 |
0.8 |
0.7 |
<120 |
| B |
15 |
0.21 |
0.5 |
<0.1 |
0.8 |
<0.05 |
0.08 |
0.6 |
0.8 |
0.7 |
<10 |
| C |
15 |
0.21 |
0.5 |
<0.1 |
0.8 |
<0.05 |
0.08 |
0.6 |
0.8 |
0.7 |
<5 |
Standard Size & Tolerance (Tube) :
| Size(mm) |
OD(mm) |
W.t.(mm) |
Length(mm) |
Siding Max |
Bow Max |
Oval Max |
| <15 |
±0.15 |
±0.10 |
±1.0 |
0.1 |
0.15 |
2‰ |
| 15-30 |
±0.25 |
0.21 |
±0.15 |
0.13 |
0.25 |
2‰ |
| 30-50 |
±0.50 |
±0.15 |
±1.0 |
0.15 |
0.5 |
2‰ |
| 50-70 |
±1.50 |
±0.20 |
±1.0 |
0.2 |
0.7 |
3‰ |
| 70-100 |
±2.00 |
±0.25 |
±1.0 |
0.2 |
1 |
4‰ |
Low Ozone Quartz Tube:
Colorless on surface, cut ends appear as light purple color. This product able to stop the ultraviolet radiation before 220nm, and 253.7 nm ultraviolet radiation wavelength through rate as obove 70%. This wave length ultraviolet radiation has strongest disinfectant, we name as sterilize or ozone free quartz tubing. Widely apply to sterilization, water treatment etc.
OD(mm) |
W.t(mm) |
Length(mm) |
12±0.2 |
1±0.1/0.2 |
0—1600 |
15±0.3 |
1±0.1/0.2 |
0—1600 |
19±0.3 |
1.2±0.2/0.3 |
0—1600 |
25±0.5 |
1.3±0.3 |
0—1600 |
Filter UV Quartz Tube:
Apply to prevent human or matter from ultraviolet radiation and high temperature resistant lamp
Size(mm) |
OD(mm) |
W.t.(mm) |
Length(mm) |
Siding Max |
Box Max |
Oval Max |
8-12 |
±0.30 |
±0.10 |
±1.0 |
0.15 |
0.2 |
2‰ |
12-15 |
±0.40 |
±0.15 |
±1.0 |
0.2 |
0.3 |
2‰ |
15-20 |
±0.50 |
±0.15 |
±1.0 |
0.2 |
0.4 |
2‰ |
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