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Clear Fused Quartz Glass Tube |
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Dehydroxyl (baked) Clear Fused Quartz Glass Tube |
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Low Hydroxyl (vacuum baked)Clear Fused Quartz Glass Tube |
OD range Φ2.2mm - Φ120mm, SiO2 >99.95%, Excellent visual and chemical performance, high thermo-stability, anticorrosive. Transmittance of visible light >90%. Baking available upon customer's request, OH content less than 50ppm, 20ppm, 15ppm, 10ppm, 5ppm or 2ppm. |
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|
UV transmittance(%) |
OH Content
(
ppm ) |
Type comparision |
Typical Application |
190nm |
253.7nm |
Clear Quartz Glass Tube |
≥40 |
≥87 |
<150 |
unbaked,GE214,PH300/308,Ovisil451 |
Halogen,germicidal with ozone lamps,heater etc |
| Dehydroxyl (baked) Clear Quartz Glass Tube |
≥40 |
≥87 |
≤50 |
baked,GE214,PH300/308,Ovisil451 |
Halogen,germicidal with ozone lamps,heater etc |
≥40 |
≥87 |
≤20 |
baked,GE214,PH300/308,Ovisil452 |
Mercury,Halogen,heater etc |
≥40 |
≥87 |
≤15 |
baked,GE214,PH300/308,Ovisil452 |
Mercury,Halogen,heater etc |
≥40 |
≥87 |
≤10 |
baked,GE214,PH300/308MD,Ovisil452 |
Mercury,Halogen,heater etc |
| Low hydroxyl (Vacuum baked) Clear Quartz Glass Tube |
≥63 |
≥87 |
≤5 |
GE214,PH300/308ND,Ovisil452 |
Metal halide lamps and other applications requiring hydroxyl free material |
≥63 |
≥87 |
≤2 |
GE214,PH300/308ED,Ovisil451 |
Metal halide lamps and other applications requiring hydroxyl free material |
≥65 |
≥88 |
≤1 |
GE214,PH300/308SD,Ovisil451 |
Metal halide lamps and other applications requiring hydroxyl free material |
| ≥58 |
≥89 |
≤1 |
GE214,PH300/308SD,Ovisil451 |
High rate of transmittance and hydroxyl free metal halide lamps etc |
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| Clear Fused Quartz Tube typical Sizes |
ID xOD
(mm) |
WT
(mm) |
ID xOD
(mm) |
WT
(mm) |
ID xOD
(mm) |
WT
(mm) |
ID xOD
(mm) |
WT
(mm) |
ID xOD
(mm) |
WT
(mm) |
| 1.2×2.2 |
0.50 |
7.8×10 |
1.1 |
12.5×15 |
1.25 |
34×38 |
2.0 |
57×61 |
2.0 |
| 1.4×2.5 |
0.55 |
8×10 |
1.0 |
15×17 |
1.00 |
35×38 |
1.5 |
60×64 |
2.0 |
| 1.4×3.0 |
0.80 |
8.6×10.7 |
1.05 |
15.4×18 |
1.3 |
37×40 |
1.5 |
63×67 |
2.0 |
| 1.5×3.0 |
0.75 |
9×11 |
1.0 |
16×18 |
1.0 |
38×42 |
2.0 |
65×69 |
2.0 |
| 2.0×3.0 |
0.50 |
10×12 |
1.0 |
17×20 |
1.5 |
39×44 |
2.5 |
65×70 |
2.5 |
| 2.55×3.95 |
0.70 |
10.7×12.8 |
1.05 |
18×20.5 |
1.25 |
40×43 |
1.5 |
71×76 |
2.5 |
| 2.40×4.0 |
0.80 |
10.6×13 |
1.20 |
20×22.5 |
1.25 |
42×45 |
1.5 |
70×80 |
5 |
| 3.0×5.0 |
1.0 |
11×13 |
1.0 |
22×24.5 |
1.25 |
45×48 |
1.5 |
- |
- |
| 4×6 |
1.0 |
11×13.3 |
1.15 |
22×25 |
1.5 |
47×50 |
1.5 |
- |
- |
| 5×7 |
1.0 |
12.75×14.45 |
0.85 |
23×26 |
1.5 |
48×52 |
2.0 |
- |
- |
| 6×8 |
1.0 |
13×15 |
1.0 |
27×30 |
1.5 |
53×57 |
2.0 |
- |
- |
| 7×9 |
1.0 |
12.15×14.65 |
1.25 |
30×33 |
1.5 |
55×59 |
2.0 |
- |
- |
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| Note: Other sizes are available upon request |
| Dimensional Tolerance |
| Range of OD |
OD |
WT |
Siding |
Ovality |
Bow/1220mm |
| <5mm |
±2.0% |
±8% |
10% |
1.5% |
<3mm |
| 5mm-13mm |
±1.5% |
±8% |
8% |
1.2% |
<3mm |
| 13mm-30mm |
±1.5% |
±6% |
6% |
1.0% |
<3mm |
| 30mm-80mm |
±1.5% |
±8% |
8% |
1.0% |
<3mm |
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| Note: Other tolerances are available upon request |
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