I.Application
Halogen lamp, mercury lamp, stage lamp and other electric light sources and chemical pipelines high-temperature quartz material vessels.II. Prodcut Feature.
II. Product Features
A kind of transparent quartz glass material, high
purity, high temperature resistant and corrosion, thermal stability and mechanical properties in the visible region (400-750 nm) of high transmittance (typical transmission rate was 92%). Strict dimensional tolerance and excellent appearance make the bulb have good shape.
III. Product Type
WWQ292，Standard transparent quartz tube
IV. Typical Size
Unit: mm
| OD Rang | ODTolerance | WallThickness | WTTolerance | Out ofRound | Siding | Bow |
| 3＜Ф≤10 | ±0.1 | 1～2.0 | ±15% | 2% | 12% | 0.15% |
| 10＜Ф≤20 | ±0.2 | 1～2.5 | ±15% | 1.25% | 12% | 0.15% |
| 20＜Ф≤30 | ±0.25 | 1.5～3.0 | ±15% | 1.25% | 12% | 0.15% |
| 30＜Ф≤40 | ±0.35 | 1.5～4.0 | ±15% | 1.25% | 12% | 0.15% |
| 40＜Ф≤50 | ±0.2 | 2.0～4.0 | ±15% | 1.25% | 12% | 0.15% |
| 50＜Ф≤60 | ±0.5 | 2.5～5.0 | ±15% | 1.25% | 12% | 0.15% |
Note: Customised Size is available
V. Physical & Chemical Properties
i. Mechanical & Thermal Properties
| Density（20℃kg/m3） | Thermal Expansion（200-300℃℃-1） | Softening Point（℃） | Annealing Point（℃） | Strain Point（℃） |
| 2.2*103 | 5.6*10-7 | 1670 | 1210 | 1110 |
ii.Impurity Value
| Impurity | Na | K | Mg | Li | Ca | Fe | Al | Ti | Cu |
| Typicalvalue | 5.0 | 5.0 | 1.0 | 1.0 | 3.0 | 1.5 | 20 | 3.0 | 0.5 |
iii.OH Content
| Typical Value without Baking | After baking | |||
| 160 | ＜5, | ＜10, | ＜15 | , ＜20 |
| *OH Customized is available |
â…³.Optical Properties
