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Quartz Glass Technical Specifications
| 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 is the maximum operating temperature of this quartz glass?
A
The quartz glass can withstand a short-term use temperature of up to 1300 °C and a long-term continuous use temperature of up to 1100 °C. The thermal processing temperature ranges from 1750 °C to 2050 °C.
Q
What material is used to manufacture this quartz glass?
A
The quartz glass is made from Silicon Dioxide (Natural Quartz). It is transparent or colorless in appearance, with a surface free of air bubbles and lines.
Q
What thickness options are available for this quartz glass?
A
The quartz glass is available in thicknesses ranging from 2 mm to 20 mm, and is produced in a circular shape to meet various application requirements.
Q
What is the thermal expansion coefficient of this quartz glass?
A
This quartz glass features an extremely low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C, making it highly resistant to thermal shock and ideal for high-temperature applications.
Q
What PPM purity grades are available for this quartz glass?
A
The quartz glass is available in controlled purity grades of 10 PPM, 20 PPM, and 100 PPM, allowing customers to select the appropriate purity level based on their specific application needs.
Q
What are the key mechanical properties of this quartz glass?
A
This quartz glass has a density of 2.2 g/cm³, a compressive strength of 1100 MPa, a Young's modulus of 72,000 MPa, a Mohs hardness of 5.5–6.5, and a Poisson's ratio of 0.14–0.17, demonstrating excellent structural stability and durability.