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Mechanical Behavior & Standard Values Quartz Glass
| 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 |
Frequently Asked Questions
Q
What is the maximum operating temperature for quartz glass?
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 is 1780 °C, making it highly suitable for high-temperature industrial applications.
Q
What material is this quartz glass made from?
The quartz glass is made from Silicon Dioxide (Natural Quartz). It is transparent or colorless, with a surface free of air bubbles and lines, ensuring excellent optical and structural clarity.
Q
What thickness options are available for quartz glass?
The quartz glass is available in thicknesses ranging from 2MM to 20MM, with a circular shape. Custom PPM grades are also available at controlled levels of 10, 20, and 100 PPM to meet various purity requirements.
Q
What is the thermal expansion coefficient of quartz glass?
Quartz glass has an extremely low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C. This makes it highly resistant to thermal shock and ideal for applications involving rapid temperature changes.
Q
How hard is quartz glass and what is its compressive strength?
Quartz glass has a Mohs hardness of 5.5 to 6.5 and an impressive compressive strength of 1100 MPa, making it a mechanically robust material suitable for demanding industrial environments.
Q
What is the index of refraction and density of this quartz glass?
The quartz glass has an index of refraction of 1.4585 and a density of 2.2 g/cm³. These optical and physical properties make it well-suited for precision optics, semiconductor, and laboratory applications.