1200°C High Temp Resistant
High Transmittance
Acid/Alkali Resistant
Complete Specifications
Aoxin Quartz is a leading manufacturer of high-precision Quartz Discs and Optical Quartz Windows, fabricated from superior high-purity fused quartz (SiO2 > 99.99%). Available in various optical grades (including JGS1, JGS2, and JGS3), these discs offer exceptional light transmittance across a broad spectrum, stable optical performance, and excellent thermal and chemical resistance. With features like high flatness, smooth scratch-free surfaces, and customized dimensions (diameter and thickness), our quartz discs are ideal for demanding applications such as viewports, optical filters, substrates, and high-temperature windows. We support full customization to meet your precise specifications.
- Product Name : quartz disc
- Material : 99.99 % Purity Quartz
- Work Temperature ：~1200℃
- Soften point : ~1730℃
- Hardness : 5.5 – 6.5 Mohs’ Scale 570 KHN 100
- Tensile Strength : 4.8×107 Pa (N/mm2) (7000 psi)
- Compression Strength : >1.1×109 Pa (160,000 psi)
| Diameter （mm） | Thickness （mm） | Diameter （in） | Thickness （in） |
|
|---|---|---|---|---|
| 18mm | 5mm | 0.71″ | 0.20″ | |
| 20mm | 5mm | 0.79″ | 0.20″ | |
| 22mm | 5mm | 0.87″ | 0.20″ | |
| 24mm | 5mm | 0.94″ | 0.20″ | |
| 25mm | 5mm | 0.98″ | 0.20″ | |
| 30mm | 5mm | 1.18″ | 0.20″ | |
| 35mm | 5mm | 1.38″ | 0.20″ | |
| 40mm | 5mm | 1.57″ | 0.20″ | |
| 45mm | 5mm | 1.77″ | 0.20″ | |
| 45mm | 8mm | 1.77″ | 0.31″ | |
| 50mm | 5mm | 1.97″ | 0.20″ | |
| 55mm | 5mm | 2.17″ | 0.20″ | |
| 57mm | 5mm | 2.24″ | 0.20″ | |
| 60mm | 5mm | 2.36″ | 0.20″ | |
| 65mm | 5mm | 2.56″ | 0.20″ | |
| 70mm | 5mm | 2.76″ | 0.20″ | |
| 72mm | 5mm | 2.83″ | 0.20″ | |
| 80mm | 5mm | 3.15″ | 0.20″ | |
| 80mm | 10mm | 3.15″ | 0.39″ | |
| 85mm | 5mm | 3.35″ | 0.20″ | |
| 85mm | 6mm | 3.35″ | 0.24″ | |
| 85mm | 8mm | 3.35″ | 0.31″ | |
| 100mm | 6mm | 3.94″ | 0.24″ | |
| 100mm | 8mm | 3.94″ | 0.31″ | |
| 110mm | 8mm | 4.33″ | 0.31″ | |
| 115mm | 5mm | 4.53″ | 0.20″ | |
| 136mm | 8mm | 5.35″ | 0.31″ | |
| 149mm | 8mm | 5.87″ | 0.31″ | |
| 180mm | 6mm | 7.09″ | 0.24″ | |
| 200mm | 6mm | 7.87″ | 0.24″ | |
| 220mm | 6mm | 8.66″ | 0.24″ |
| TOLERANCES | ||
|---|---|---|
| property | Millimeters | inch |
| Diameter | ±0.25mm | ±0.01″ |
| Thickness | ±0.13mm | ±0.005″ |
| Parallelism | within 0.13mm | within 0.005″ |
| Scratch/Dig | 80/50 | 80/50 |
Features
- Superior Optical Quality: Available in JGS1, JGS2, and JGS3 grades, offering excellent homogeneity, low birefringence, high transmittance (including UV range for JGS1), and minimal bubbles or inclusions, ensuring reliable optical performance.
- High Purity Material (SiO2 > 99.99%): Guarantees minimal absorption and fluorescence, crucial for sensitive optical systems.
- Excellent Surface Finish & Flatness: Precision polished to achieve smooth, scratch-free surfaces and high flatness, critical for minimizing light scatter and distortion.
- Outstanding Thermal Stability: Withstands continuous operating temperatures up to 1100°C (and short periods up to 1450°C), and exhibits excellent thermal shock resistance.
- Broad Chemical Resistance: Highly resistant to water, acids, and most alkalis, ensuring durability in corrosive environments.
- Full Customization: We offer discs tailored to your specific needs, including diameter, thickness, optical coatings (on request), and edge finishing.
- Certified & Reliable: Manufactured under stringent quality controls with CE, ISO, and other certifications, and supplied directly from our factory for optimal value and service.