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Mechanical Behavior & 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 | 72000 MPa |
| Modulus of rigidity | 31000 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
Q1
What is the maximum operating temperature of this quartz glass product?
This quartz glass product can be used at up to 1300 °C for short-term applications and up to 1100 °C for long-term continuous use. Its softening point is 1780 °C, making it suitable for high-temperature industrial environments.
Q2
What material is used to manufacture this quartz glass?
The product is made from Silicon Dioxide (Natural Quartz). It is transparent or colorless in appearance, with a surface free of air bubbles and lines, ensuring high optical and structural quality.
Q3
What thickness options are available for the quartz glass?
The quartz glass is available in thicknesses ranging from 2MM to 20MM, and it is produced in a circular shape to suit a wide range of application requirements.
Q4
What is the thermal expansion coefficient of this quartz glass?
The quartz glass features an extremely low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C, which makes it highly resistant to thermal shock and ideal for precision applications where dimensional stability under temperature changes is critical.
Q5
What PPM purity grades are available for this quartz glass?
The quartz glass is available in controlled purity grades of 10 PPM, 20 PPM, and 100 PPM, allowing customers to select the appropriate level of purity based on their specific industrial or scientific application requirements.
Q6
What is the compressive strength and hardness of this quartz glass?
This quartz glass has a compressive strength of 1100 MPa and a Mohs hardness rating of 5.5 to 6.5, demonstrating excellent mechanical durability. Its Young's modulus of 72000 MPa further confirms its rigidity and resistance to deformation under load.