Material: Quartz Glass
Purity: More than 99.99%
Characteristic:
1. High quality competitive price and elegant appearance
2. High temperature and corrosion resisting
3. No bubble and no processing trade
4. Long time to use
Efforts: 1. Tolerance control (min: +/-0.1) | 2. Accurate dimension according to customers' request | 3. Complete after-service system
Specification: OD 1.3-800mm | Thickness: 0.6-15mm | Length: 5-3500mm
Further-processing: Ends closing, sand blasting, polishing, bending, cutting, pinching, burning mouth and so on. For the special one, please kindly send me the drawing.
Application: Widely used in the field of semiconductor, metallurgy, chemical industry, electric light source, photo-communication, medical equipment, scientific instruments and so on.
















| Thermal Properties | Coefficient of Expansion (20℃-350℃) | 5.5*10⁻⁷/℃ |
| Thermal Conductivity (W/m℃, 20℃) | 1.4 | |
| Specific Heat (J/kg, 20℃) | 670 | |
| Softening Point (viscosity) | 1730℃ | |
| Annealing Point | 1215℃ | |
| Deformation Temperature (long time heat retaining) | 1120℃ | |
| Electrical Properties | Electrical Resistivity (350℃, omh-cm) | 7*10⁷ |
| Insulating Strength (20℃, KV/cm) | 250-400 | |
| Dielectric Constant | 3.7 | |
| Corrosion Amount | H₂SO₄ (Density 1.84, 2h, 20℃, g/cm²) | 1.4*10⁻⁸ |
| HNO₃ (Density 1.4, 2h, 20℃, g/cm²) | 5*10⁻⁸ | |
| HCl (Density 1.19, 2h, 20℃, g/cm²) | 15*10⁻⁸ | |
| NaOH (1%, 2h, 110℃, g/cm²) | 166*10⁻⁶ | |
| KOH (1%, 2h, 98℃, g/cm²) | 68*10⁻⁶ | |
| Mechanical Properties | Density g/cm³ | 2.2 |
| Compression Strength N/mm² | 1100 | |
| Bending Strength N/mm² | 67 | |
| Tension Strength N/mm² | 48 | |
| Micro Hardness N/mm² | 8600-9800 | |
| Moh's Hardness | 5.5-6.5 |





Using three coordinates detector, height gauge electronic digital calipers, measuring projector stress gauge to inspect the products' appearance and size. As well, according to customer requirements. All quality control date and report can be found. After training, all operators could be eligible quality inspectors. The measuring tools have under the MSA control.

