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Customized Quartz Products from China Suppliers - High-Purity Quartz Factory for Semiconductor and Chemical Applications
🔬 Mechanical & Physical Properties — Standard Values
| 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 Quartz Glass Brick |
| PPM Grade | Controlled 10 / 20 / 100 PPM |
| Shape | Circle |
| Thickness | 2 mm – 20 mm |
💡 Frequently Asked Questions
Q
What material is this quartz glass made from?
This quartz glass is made from Silicon Dioxide (SiO₂) sourced from natural quartz. It is transparent or colorless with a bubble-free, line-free surface finish, ensuring excellent optical clarity.
Q
What is the maximum operating temperature for long-term use?
For long-term continuous use, the recommended maximum temperature is 1100 °C. For short-term applications, it can withstand up to 1300 °C without significant degradation.
Q
What makes this quartz glass suitable for high-temperature environments?
Its extremely low thermal expansion coefficient (5.5 × 10⁻⁷ cm/cm·°C), high softening point of 1780 °C, and high compressive strength of 1100 MPa make it exceptionally resistant to thermal shock and suitable for demanding high-temperature industrial applications.
Q
What thickness options are available for this quartz glass?
The quartz glass is available in thicknesses ranging from 2 mm to 20 mm, in a circular shape, making it adaptable to a wide variety of industrial and laboratory requirements.
Q
What PPM purity grades are available?
The quartz glass is offered in controlled purity grades of 10 PPM, 20 PPM, and 100 PPM, allowing customers to select the appropriate level of purity for semiconductor, optical, or general industrial applications.
Q
What is the index of refraction and why does it matter?
The index of refraction is 1.4585. This value is critical for optical applications, as it determines how light bends when passing through the glass. The consistent refractive index of natural quartz ensures reliable performance in lenses, windows, and precision optical instruments.