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| Mechanical Behavior | Standard Values |
|---|---|
| Density | 2.2 g/cm³ |
| Compressive strength | 1100 MPa |
| Flexural strength | 67 MPa |
| Poisson's ratio | 0.14 ~ 0.17 |
| Young's modulus | 72,000 MPa |
| Modulus of rigidity | 31,000 MPa |
| Mohs hardness | 5.5 ~ 6.5 |
| Transformation point | 1280 °C |
| Softening Point | 1780 °C |
| Annealing point | 1250 °C |
| Specific heat (20 ~ 350 °C) | 670 J/kg·°C |
| Thermal conductivity (20 °C) | 1.4 W/m·°C |
| Index of refraction | 1.4585 |
| Low thermal expansion coefficient | 5.5 × 10⁻⁷ cm/cm·°C |
| Thermal processing temperature | 1750 ~ 2050 °C |
| Short-term use temperature | 1300 °C |
| Long-term use temperature | 1100 °C |
| Material | Silicon Dioxide (Natural Quartz) |
| Color | Transparent or colorless |
| Surface | No Air Bubble, no line |
| Strain | 1270°C Fused The Quartz Glass Brick |
| PPM grade | Controlled 10 / 20 / 100 PPM |
| Shape | Circle |
| Thickness | 2MM – 20MM |
Quartz glass can withstand a short-term use temperature of up to 1300 °C and a long-term use temperature of up to 1100 °C. Its softening point reaches 1780 °C, ensuring superior stability in high-temperature industrial environments.
The material consists of high-purity Silicon Dioxide (Natural Quartz). It exhibits transparent or colorless visual properties, featuring an immaculate surface with no air bubbles or structural lines.
The glass comes in circular forms with standard thicknesses spanning from 2MM to 20MM. Purity grades can be precision-controlled to specifications of 10 PPM, 20 PPM, or 100 PPM.
Featuring an extraordinarily low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C, quartz glass delivers exceptional thermal shock resistance, allowing it to endure rapid temperature changes without cracking.
It provides a Mohs hardness of 5.5 to 6.5, a compressive strength of 1100 MPa, flexural strength of 67 MPa, and a Young's modulus of 72,000 MPa, ensuring high mechanical durability.
The quartz glass possesses a refractive index of 1.4585 and a physical density of 2.2 g/cm³, qualifying it for high-precision optical, laboratory, and semiconductor equipment.
